gethostname() is more a BSD feature than an XOPEN one.
[openssl.git] / ssl / ssltest.c
1 /* ssl/ssltest.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  * 
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  * 
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from 
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  * 
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * 
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 /* ====================================================================
59  * Copyright (c) 1998-2000 The OpenSSL Project.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  *
65  * 1. Redistributions of source code must retain the above copyright
66  *    notice, this list of conditions and the following disclaimer. 
67  *
68  * 2. Redistributions in binary form must reproduce the above copyright
69  *    notice, this list of conditions and the following disclaimer in
70  *    the documentation and/or other materials provided with the
71  *    distribution.
72  *
73  * 3. All advertising materials mentioning features or use of this
74  *    software must display the following acknowledgment:
75  *    "This product includes software developed by the OpenSSL Project
76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77  *
78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
79  *    endorse or promote products derived from this software without
80  *    prior written permission. For written permission, please contact
81  *    openssl-core@openssl.org.
82  *
83  * 5. Products derived from this software may not be called "OpenSSL"
84  *    nor may "OpenSSL" appear in their names without prior written
85  *    permission of the OpenSSL Project.
86  *
87  * 6. Redistributions of any form whatsoever must retain the following
88  *    acknowledgment:
89  *    "This product includes software developed by the OpenSSL Project
90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91  *
92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
103  * OF THE POSSIBILITY OF SUCH DAMAGE.
104  * ====================================================================
105  *
106  * This product includes cryptographic software written by Eric Young
107  * (eay@cryptsoft.com).  This product includes software written by Tim
108  * Hudson (tjh@cryptsoft.com).
109  *
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECC cipher suite support in OpenSSL originally developed by 
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116
117 #define _BSD_SOURCE 1           /* Or gethostname won't be declared properly
118                                    on Linux and GNU platforms. */
119 #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 #define USE_SOCKETS
132 #include "e_os.h"
133
134 #include <openssl/bio.h>
135 #include <openssl/crypto.h>
136 #include <openssl/evp.h>
137 #include <openssl/x509.h>
138 #include <openssl/ssl.h>
139 #include <openssl/engine.h>
140 #include <openssl/err.h>
141 #include <openssl/rand.h>
142 #ifdef OPENSSL_SYS_WINDOWS
143 #include <winsock.h>
144 #include "../crypto/bio/bss_file.c"
145 #else
146 #include OPENSSL_UNISTD
147 #endif
148
149 #ifdef OPENSSL_SYS_VMS
150 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
151 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
152 #elif defined(OPENSSL_SYS_WINCE)
153 #  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
154 #  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
155 #else
156 #  define TEST_SERVER_CERT "../apps/server.pem"
157 #  define TEST_CLIENT_CERT "../apps/client.pem"
158 #endif
159
160 /* There is really no standard for this, so let's assign some tentative
161    numbers.  In any case, these numbers are only for this test */
162 #define COMP_RLE        1
163 #define COMP_ZLIB       2
164
165 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
166 #ifndef OPENSSL_NO_RSA
167 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
168 static void free_tmp_rsa(void);
169 #endif
170 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
171 #define APP_CALLBACK "Test Callback Argument"
172 static char *app_verify_arg = APP_CALLBACK;
173
174 #ifndef OPENSSL_NO_DH
175 static DH *get_dh512(void);
176 static DH *get_dh1024(void);
177 static DH *get_dh1024dsa(void);
178 #endif
179
180 static BIO *bio_err=NULL;
181 static BIO *bio_stdout=NULL;
182
183 static char *cipher=NULL;
184 static int verbose=0;
185 static int debug=0;
186 #if 0
187 /* Not used yet. */
188 #ifdef FIONBIO
189 static int s_nbio=0;
190 #endif
191 #endif
192
193 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
194
195 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
196 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
197 static void sv_usage(void)
198         {
199         fprintf(stderr,"usage: ssltest [args ...]\n");
200         fprintf(stderr,"\n");
201         fprintf(stderr," -server_auth  - check server certificate\n");
202         fprintf(stderr," -client_auth  - do client authentication\n");
203         fprintf(stderr," -v            - more output\n");
204         fprintf(stderr," -d            - debug output\n");
205         fprintf(stderr," -reuse        - use session-id reuse\n");
206         fprintf(stderr," -num <val>    - number of connections to perform\n");
207         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
208 #ifndef OPENSSL_NO_DH
209         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
210         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
211         fprintf(stderr," -no_dhe       - disable DHE\n");
212 #endif
213 #ifndef OPENSSL_NO_ECDH
214         fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
215 #endif
216 #ifndef OPENSSL_NO_SSL2
217         fprintf(stderr," -ssl2         - use SSLv2\n");
218 #endif
219 #ifndef OPENSSL_NO_SSL3
220         fprintf(stderr," -ssl3         - use SSLv3\n");
221 #endif
222 #ifndef OPENSSL_NO_TLS1
223         fprintf(stderr," -tls1         - use TLSv1\n");
224 #endif
225         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
226         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
227         fprintf(stderr," -cert arg     - Server certificate file\n");
228         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
229         fprintf(stderr," -c_cert arg   - Client certificate file\n");
230         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
231         fprintf(stderr," -cipher arg   - The cipher list\n");
232         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
233         fprintf(stderr," -f            - Test even cases that can't work\n");
234         fprintf(stderr," -time         - measure processor time used by client and server\n");
235         fprintf(stderr," -zlib         - use zlib compression\n");
236         fprintf(stderr," -rle          - use rle compression\n");
237 #ifndef OPENSSL_NO_ECDH
238         fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
239                        "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
240                        "                 (default is sect163r2).\n");
241 #endif
242         }
243
244 static void print_details(SSL *c_ssl, const char *prefix)
245         {
246         SSL_CIPHER *ciph;
247         X509 *cert;
248                 
249         ciph=SSL_get_current_cipher(c_ssl);
250         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
251                 prefix,
252                 SSL_get_version(c_ssl),
253                 SSL_CIPHER_get_version(ciph),
254                 SSL_CIPHER_get_name(ciph));
255         cert=SSL_get_peer_certificate(c_ssl);
256         if (cert != NULL)
257                 {
258                 EVP_PKEY *pkey = X509_get_pubkey(cert);
259                 if (pkey != NULL)
260                         {
261                         if (0) 
262                                 ;
263 #ifndef OPENSSL_NO_RSA
264                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
265                                 && pkey->pkey.rsa->n != NULL)
266                                 {
267                                 BIO_printf(bio_stdout, ", %d bit RSA",
268                                         BN_num_bits(pkey->pkey.rsa->n));
269                                 }
270 #endif
271 #ifndef OPENSSL_NO_DSA
272                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
273                                 && pkey->pkey.dsa->p != NULL)
274                                 {
275                                 BIO_printf(bio_stdout, ", %d bit DSA",
276                                         BN_num_bits(pkey->pkey.dsa->p));
277                                 }
278 #endif
279                         EVP_PKEY_free(pkey);
280                         }
281                 X509_free(cert);
282                 }
283         /* The SSL API does not allow us to look at temporary RSA/DH keys,
284          * otherwise we should print their lengths too */
285         BIO_printf(bio_stdout,"\n");
286         }
287
288 static void lock_dbg_cb(int mode, int type, const char *file, int line)
289         {
290         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
291         const char *errstr = NULL;
292         int rw;
293         
294         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
295         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
296                 {
297                 errstr = "invalid mode";
298                 goto err;
299                 }
300
301         if (type < 0 || type > CRYPTO_NUM_LOCKS)
302                 {
303                 errstr = "type out of bounds";
304                 goto err;
305                 }
306
307         if (mode & CRYPTO_LOCK)
308                 {
309                 if (modes[type])
310                         {
311                         errstr = "already locked";
312                         /* must not happen in a single-threaded program
313                          * (would deadlock) */
314                         goto err;
315                         }
316
317                 modes[type] = rw;
318                 }
319         else if (mode & CRYPTO_UNLOCK)
320                 {
321                 if (!modes[type])
322                         {
323                         errstr = "not locked";
324                         goto err;
325                         }
326                 
327                 if (modes[type] != rw)
328                         {
329                         errstr = (rw == CRYPTO_READ) ?
330                                 "CRYPTO_r_unlock on write lock" :
331                                 "CRYPTO_w_unlock on read lock";
332                         }
333
334                 modes[type] = 0;
335                 }
336         else
337                 {
338                 errstr = "invalid mode";
339                 goto err;
340                 }
341
342  err:
343         if (errstr)
344                 {
345                 /* we cannot use bio_err here */
346                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
347                         errstr, mode, type, file, line);
348                 }
349         }
350
351 int main(int argc, char *argv[])
352         {
353         char *CApath=NULL,*CAfile=NULL;
354         int badop=0;
355         int bio_pair=0;
356         int force=0;
357         int tls1=0,ssl2=0,ssl3=0,ret=1;
358         int client_auth=0;
359         int server_auth=0,i;
360         int app_verify=0;
361         char *server_cert=TEST_SERVER_CERT;
362         char *server_key=NULL;
363         char *client_cert=TEST_CLIENT_CERT;
364         char *client_key=NULL;
365         char *named_curve = NULL;
366         SSL_CTX *s_ctx=NULL;
367         SSL_CTX *c_ctx=NULL;
368         SSL_METHOD *meth=NULL;
369         SSL *c_ssl,*s_ssl;
370         int number=1,reuse=0;
371         long bytes=1L;
372 #ifndef OPENSSL_NO_DH
373         DH *dh;
374         int dhe1024 = 0, dhe1024dsa = 0;
375 #endif
376 #ifndef OPENSSL_NO_ECDH
377         EC_KEY *ecdh = NULL;
378 #endif
379         int no_dhe = 0;
380         int no_ecdhe = 0;
381         int print_time = 0;
382         clock_t s_time = 0, c_time = 0;
383         int comp = 0;
384         COMP_METHOD *cm = NULL;
385
386         verbose = 0;
387         debug = 0;
388         cipher = 0;
389
390         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 
391
392         CRYPTO_set_locking_callback(lock_dbg_cb);
393
394         /* enable memory leak checking unless explicitly disabled */
395         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
396                 {
397                 CRYPTO_malloc_debug_init();
398                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
399                 }
400         else
401                 {
402                 /* OPENSSL_DEBUG_MEMORY=off */
403                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
404                 }
405         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
406
407         RAND_seed(rnd_seed, sizeof rnd_seed);
408
409         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
410
411         argc--;
412         argv++;
413
414         while (argc >= 1)
415                 {
416                 if      (strcmp(*argv,"-server_auth") == 0)
417                         server_auth=1;
418                 else if (strcmp(*argv,"-client_auth") == 0)
419                         client_auth=1;
420                 else if (strcmp(*argv,"-v") == 0)
421                         verbose=1;
422                 else if (strcmp(*argv,"-d") == 0)
423                         debug=1;
424                 else if (strcmp(*argv,"-reuse") == 0)
425                         reuse=1;
426                 else if (strcmp(*argv,"-dhe1024") == 0)
427                         {
428 #ifndef OPENSSL_NO_DH
429                         dhe1024=1;
430 #else
431                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
432 #endif
433                         }
434                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
435                         {
436 #ifndef OPENSSL_NO_DH
437                         dhe1024dsa=1;
438 #else
439                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
440 #endif
441                         }
442                 else if (strcmp(*argv,"-no_dhe") == 0)
443                         no_dhe=1;
444                 else if (strcmp(*argv,"-no_ecdhe") == 0)
445                         no_ecdhe=1;
446                 else if (strcmp(*argv,"-ssl2") == 0)
447                         ssl2=1;
448                 else if (strcmp(*argv,"-tls1") == 0)
449                         tls1=1;
450                 else if (strcmp(*argv,"-ssl3") == 0)
451                         ssl3=1;
452                 else if (strncmp(*argv,"-num",4) == 0)
453                         {
454                         if (--argc < 1) goto bad;
455                         number= atoi(*(++argv));
456                         if (number == 0) number=1;
457                         }
458                 else if (strcmp(*argv,"-bytes") == 0)
459                         {
460                         if (--argc < 1) goto bad;
461                         bytes= atol(*(++argv));
462                         if (bytes == 0L) bytes=1L;
463                         i=strlen(argv[0]);
464                         if (argv[0][i-1] == 'k') bytes*=1024L;
465                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
466                         }
467                 else if (strcmp(*argv,"-cert") == 0)
468                         {
469                         if (--argc < 1) goto bad;
470                         server_cert= *(++argv);
471                         }
472                 else if (strcmp(*argv,"-s_cert") == 0)
473                         {
474                         if (--argc < 1) goto bad;
475                         server_cert= *(++argv);
476                         }
477                 else if (strcmp(*argv,"-key") == 0)
478                         {
479                         if (--argc < 1) goto bad;
480                         server_key= *(++argv);
481                         }
482                 else if (strcmp(*argv,"-s_key") == 0)
483                         {
484                         if (--argc < 1) goto bad;
485                         server_key= *(++argv);
486                         }
487                 else if (strcmp(*argv,"-c_cert") == 0)
488                         {
489                         if (--argc < 1) goto bad;
490                         client_cert= *(++argv);
491                         }
492                 else if (strcmp(*argv,"-c_key") == 0)
493                         {
494                         if (--argc < 1) goto bad;
495                         client_key= *(++argv);
496                         }
497                 else if (strcmp(*argv,"-cipher") == 0)
498                         {
499                         if (--argc < 1) goto bad;
500                         cipher= *(++argv);
501                         }
502                 else if (strcmp(*argv,"-CApath") == 0)
503                         {
504                         if (--argc < 1) goto bad;
505                         CApath= *(++argv);
506                         }
507                 else if (strcmp(*argv,"-CAfile") == 0)
508                         {
509                         if (--argc < 1) goto bad;
510                         CAfile= *(++argv);
511                         }
512                 else if (strcmp(*argv,"-bio_pair") == 0)
513                         {
514                         bio_pair = 1;
515                         }
516                 else if (strcmp(*argv,"-f") == 0)
517                         {
518                         force = 1;
519                         }
520                 else if (strcmp(*argv,"-time") == 0)
521                         {
522                         print_time = 1;
523                         }
524                 else if (strcmp(*argv,"-zlib") == 0)
525                         {
526                         comp = COMP_ZLIB;
527                         }
528                 else if (strcmp(*argv,"-rle") == 0)
529                         {
530                         comp = COMP_RLE;
531                         }
532                 else if (strcmp(*argv,"-named_curve") == 0)
533                         {
534                         if (--argc < 1) goto bad;
535 #ifndef OPENSSL_NO_ECDH         
536                         named_curve = *(++argv);
537 #else
538                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n");
539                         ++argv;
540 #endif
541                         }
542                 else if (strcmp(*argv,"-app_verify") == 0)
543                         {
544                         app_verify = 1;
545                         }
546                 else
547                         {
548                         fprintf(stderr,"unknown option %s\n",*argv);
549                         badop=1;
550                         break;
551                         }
552                 argc--;
553                 argv++;
554                 }
555         if (badop)
556                 {
557 bad:
558                 sv_usage();
559                 goto end;
560                 }
561
562         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
563                 {
564                 fprintf(stderr, "This case cannot work.  Use -f to perform "
565                         "the test anyway (and\n-d to see what happens), "
566                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
567                         "to avoid protocol mismatch.\n");
568                 EXIT(1);
569                 }
570
571         if (print_time)
572                 {
573                 if (!bio_pair)
574                         {
575                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
576                         bio_pair = 1;
577                         }
578                 if (number < 50 && !force)
579                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
580                 }
581
582 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
583
584         SSL_library_init();
585         SSL_load_error_strings();
586
587         if (comp == COMP_ZLIB) cm = COMP_zlib();
588         if (comp == COMP_RLE) cm = COMP_rle();
589         if (cm != NULL)
590                 {
591                 if (cm->type != NID_undef)
592                         SSL_COMP_add_compression_method(comp, cm);
593                 else
594                         {
595                         fprintf(stderr,
596                                 "Warning: %s compression not supported\n",
597                                 (comp == COMP_RLE ? "rle" :
598                                         (comp == COMP_ZLIB ? "zlib" :
599                                                 "unknown")));
600                         ERR_print_errors_fp(stderr);
601                         }
602                 }
603
604 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
605         if (ssl2)
606                 meth=SSLv2_method();
607         else 
608         if (tls1)
609                 meth=TLSv1_method();
610         else
611         if (ssl3)
612                 meth=SSLv3_method();
613         else
614                 meth=SSLv23_method();
615 #else
616 #ifdef OPENSSL_NO_SSL2
617         meth=SSLv3_method();
618 #else
619         meth=SSLv2_method();
620 #endif
621 #endif
622
623         c_ctx=SSL_CTX_new(meth);
624         s_ctx=SSL_CTX_new(meth);
625         if ((c_ctx == NULL) || (s_ctx == NULL))
626                 {
627                 ERR_print_errors(bio_err);
628                 goto end;
629                 }
630
631         if (cipher != NULL)
632                 {
633                 SSL_CTX_set_cipher_list(c_ctx,cipher);
634                 SSL_CTX_set_cipher_list(s_ctx,cipher);
635                 }
636
637 #ifndef OPENSSL_NO_DH
638         if (!no_dhe)
639                 {
640                 if (dhe1024dsa)
641                         {
642                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
643                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
644                         dh=get_dh1024dsa();
645                         }
646                 else if (dhe1024)
647                         dh=get_dh1024();
648                 else
649                         dh=get_dh512();
650                 SSL_CTX_set_tmp_dh(s_ctx,dh);
651                 DH_free(dh);
652                 }
653 #else
654         (void)no_dhe;
655 #endif
656
657 #ifndef OPENSSL_NO_ECDH
658         if (!no_ecdhe)
659                 {
660                 ecdh = EC_KEY_new();
661                 if (ecdh != NULL)
662                         {
663                         if (named_curve)
664                                 {
665                                 int nid = OBJ_sn2nid(named_curve);
666
667                                 if (nid == 0)
668                                         {
669                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
670                                         EC_KEY_free(ecdh);
671                                         goto end;
672                                         }
673
674                                 ecdh->group = EC_GROUP_new_by_nid(nid);
675                                 if (ecdh->group == NULL)
676                                         {
677                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
678                                         EC_KEY_free(ecdh);
679                                         goto end;
680                                         }
681                                 }
682                         
683                         if (ecdh->group == NULL)
684                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
685
686                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
687                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
688                         EC_KEY_free(ecdh);
689                         }
690                 }
691 #else
692         (void)no_ecdhe;
693 #endif
694
695 #ifndef OPENSSL_NO_RSA
696         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
697 #endif
698
699         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
700                 {
701                 ERR_print_errors(bio_err);
702                 }
703         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
704                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
705                 {
706                 ERR_print_errors(bio_err);
707                 goto end;
708                 }
709
710         if (client_auth)
711                 {
712                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
713                         SSL_FILETYPE_PEM);
714                 SSL_CTX_use_PrivateKey_file(c_ctx,
715                         (client_key?client_key:client_cert),
716                         SSL_FILETYPE_PEM);
717                 }
718
719         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
720                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
721                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
722                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
723                 {
724                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
725                 ERR_print_errors(bio_err);
726                 /* goto end; */
727                 }
728
729         if (client_auth)
730                 {
731                 BIO_printf(bio_err,"client authentication\n");
732                 SSL_CTX_set_verify(s_ctx,
733                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
734                         verify_callback);
735                 if (app_verify) 
736                         {
737                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
738                         }
739                 }
740         if (server_auth)
741                 {
742                 BIO_printf(bio_err,"server authentication\n");
743                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
744                         verify_callback);
745                 if (app_verify) 
746                         {
747                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
748                         }
749                 }
750         
751         {
752                 int session_id_context = 0;
753                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
754         }
755
756         c_ssl=SSL_new(c_ctx);
757         s_ssl=SSL_new(s_ctx);
758
759 #ifndef OPENSSL_NO_KRB5
760         if (c_ssl  &&  c_ssl->kssl_ctx)
761                 {
762                 char    localhost[MAXHOSTNAMELEN+2];
763
764                 if (gethostname(localhost, sizeof localhost-1) == 0)
765                         {
766                         localhost[sizeof localhost-1]='\0';
767                         if(strlen(localhost) == sizeof localhost-1)
768                                 {
769                                 BIO_printf(bio_err,"localhost name too long\n");
770                                 goto end;
771                                 }
772                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
773                                 localhost);
774                         }
775                 }
776 #endif    /* OPENSSL_NO_KRB5  */
777
778         for (i=0; i<number; i++)
779                 {
780                 if (!reuse) SSL_set_session(c_ssl,NULL);
781                 if (bio_pair)
782                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
783                 else
784                         ret=doit(s_ssl,c_ssl,bytes);
785                 }
786
787         if (!verbose)
788                 {
789                 print_details(c_ssl, "");
790                 }
791         if ((number > 1) || (bytes > 1L))
792                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
793         if (print_time)
794                 {
795 #ifdef CLOCKS_PER_SEC
796                 /* "To determine the time in seconds, the value returned
797                  * by the clock function should be divided by the value
798                  * of the macro CLOCKS_PER_SEC."
799                  *                                       -- ISO/IEC 9899 */
800                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
801                         "Approximate total client time: %6.2f s\n",
802                         (double)s_time/CLOCKS_PER_SEC,
803                         (double)c_time/CLOCKS_PER_SEC);
804 #else
805                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
806                  *                            -- cc on NeXTstep/OpenStep */
807                 BIO_printf(bio_stdout,
808                         "Approximate total server time: %6.2f units\n"
809                         "Approximate total client time: %6.2f units\n",
810                         (double)s_time,
811                         (double)c_time);
812 #endif
813                 }
814
815         SSL_free(s_ssl);
816         SSL_free(c_ssl);
817
818 end:
819         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
820         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
821
822         if (bio_stdout != NULL) BIO_free(bio_stdout);
823
824 #ifndef OPENSSL_NO_RSA
825         free_tmp_rsa();
826 #endif
827         ENGINE_cleanup();
828         CRYPTO_cleanup_all_ex_data();
829         ERR_free_strings();
830         ERR_remove_state(0);
831         EVP_cleanup();
832         CRYPTO_mem_leaks(bio_err);
833         if (bio_err != NULL) BIO_free(bio_err);
834         EXIT(ret);
835         }
836
837 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
838         clock_t *s_time, clock_t *c_time)
839         {
840         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
841         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
842         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
843         int ret = 1;
844         
845         size_t bufsiz = 256; /* small buffer for testing */
846
847         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
848                 goto err;
849         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
850                 goto err;
851         
852         s_ssl_bio = BIO_new(BIO_f_ssl());
853         if (!s_ssl_bio)
854                 goto err;
855
856         c_ssl_bio = BIO_new(BIO_f_ssl());
857         if (!c_ssl_bio)
858                 goto err;
859
860         SSL_set_connect_state(c_ssl);
861         SSL_set_bio(c_ssl, client, client);
862         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
863
864         SSL_set_accept_state(s_ssl);
865         SSL_set_bio(s_ssl, server, server);
866         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
867
868         do
869                 {
870                 /* c_ssl_bio:          SSL filter BIO
871                  *
872                  * client:             pseudo-I/O for SSL library
873                  *
874                  * client_io:          client's SSL communication; usually to be
875                  *                     relayed over some I/O facility, but in this
876                  *                     test program, we're the server, too:
877                  *
878                  * server_io:          server's SSL communication
879                  *
880                  * server:             pseudo-I/O for SSL library
881                  *
882                  * s_ssl_bio:          SSL filter BIO
883                  *
884                  * The client and the server each employ a "BIO pair":
885                  * client + client_io, server + server_io.
886                  * BIO pairs are symmetric.  A BIO pair behaves similar
887                  * to a non-blocking socketpair (but both endpoints must
888                  * be handled by the same thread).
889                  * [Here we could connect client and server to the ends
890                  * of a single BIO pair, but then this code would be less
891                  * suitable as an example for BIO pairs in general.]
892                  *
893                  * Useful functions for querying the state of BIO pair endpoints:
894                  *
895                  * BIO_ctrl_pending(bio)              number of bytes we can read now
896                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
897                  *                                      other side's read attempt
898                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
899                  *
900                  * ..._read_request is never more than ..._write_guarantee;
901                  * it depends on the application which one you should use.
902                  */
903
904                 /* We have non-blocking behaviour throughout this test program, but
905                  * can be sure that there is *some* progress in each iteration; so
906                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
907                  * -- we just try everything in each iteration
908                  */
909
910                         {
911                         /* CLIENT */
912                 
913                         MS_STATIC char cbuf[1024*8];
914                         int i, r;
915                         clock_t c_clock = clock();
916
917                         memset(cbuf, 0, sizeof(cbuf));
918
919                         if (debug)
920                                 if (SSL_in_init(c_ssl))
921                                         printf("client waiting in SSL_connect - %s\n",
922                                                 SSL_state_string_long(c_ssl));
923
924                         if (cw_num > 0)
925                                 {
926                                 /* Write to server. */
927                                 
928                                 if (cw_num > (long)sizeof cbuf)
929                                         i = sizeof cbuf;
930                                 else
931                                         i = (int)cw_num;
932                                 r = BIO_write(c_ssl_bio, cbuf, i);
933                                 if (r < 0)
934                                         {
935                                         if (!BIO_should_retry(c_ssl_bio))
936                                                 {
937                                                 fprintf(stderr,"ERROR in CLIENT\n");
938                                                 goto err;
939                                                 }
940                                         /* BIO_should_retry(...) can just be ignored here.
941                                          * The library expects us to call BIO_write with
942                                          * the same arguments again, and that's what we will
943                                          * do in the next iteration. */
944                                         }
945                                 else if (r == 0)
946                                         {
947                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
948                                         goto err;
949                                         }
950                                 else
951                                         {
952                                         if (debug)
953                                                 printf("client wrote %d\n", r);
954                                         cw_num -= r;                            
955                                         }
956                                 }
957
958                         if (cr_num > 0)
959                                 {
960                                 /* Read from server. */
961
962                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
963                                 if (r < 0)
964                                         {
965                                         if (!BIO_should_retry(c_ssl_bio))
966                                                 {
967                                                 fprintf(stderr,"ERROR in CLIENT\n");
968                                                 goto err;
969                                                 }
970                                         /* Again, "BIO_should_retry" can be ignored. */
971                                         }
972                                 else if (r == 0)
973                                         {
974                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
975                                         goto err;
976                                         }
977                                 else
978                                         {
979                                         if (debug)
980                                                 printf("client read %d\n", r);
981                                         cr_num -= r;
982                                         }
983                                 }
984
985                         /* c_time and s_time increments will typically be very small
986                          * (depending on machine speed and clock tick intervals),
987                          * but sampling over a large number of connections should
988                          * result in fairly accurate figures.  We cannot guarantee
989                          * a lot, however -- if each connection lasts for exactly
990                          * one clock tick, it will be counted only for the client
991                          * or only for the server or even not at all.
992                          */
993                         *c_time += (clock() - c_clock);
994                         }
995
996                         {
997                         /* SERVER */
998                 
999                         MS_STATIC char sbuf[1024*8];
1000                         int i, r;
1001                         clock_t s_clock = clock();
1002
1003                         memset(sbuf, 0, sizeof(sbuf));
1004
1005                         if (debug)
1006                                 if (SSL_in_init(s_ssl))
1007                                         printf("server waiting in SSL_accept - %s\n",
1008                                                 SSL_state_string_long(s_ssl));
1009
1010                         if (sw_num > 0)
1011                                 {
1012                                 /* Write to client. */
1013                                 
1014                                 if (sw_num > (long)sizeof sbuf)
1015                                         i = sizeof sbuf;
1016                                 else
1017                                         i = (int)sw_num;
1018                                 r = BIO_write(s_ssl_bio, sbuf, i);
1019                                 if (r < 0)
1020                                         {
1021                                         if (!BIO_should_retry(s_ssl_bio))
1022                                                 {
1023                                                 fprintf(stderr,"ERROR in SERVER\n");
1024                                                 goto err;
1025                                                 }
1026                                         /* Ignore "BIO_should_retry". */
1027                                         }
1028                                 else if (r == 0)
1029                                         {
1030                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1031                                         goto err;
1032                                         }
1033                                 else
1034                                         {
1035                                         if (debug)
1036                                                 printf("server wrote %d\n", r);
1037                                         sw_num -= r;                            
1038                                         }
1039                                 }
1040
1041                         if (sr_num > 0)
1042                                 {
1043                                 /* Read from client. */
1044
1045                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1046                                 if (r < 0)
1047                                         {
1048                                         if (!BIO_should_retry(s_ssl_bio))
1049                                                 {
1050                                                 fprintf(stderr,"ERROR in SERVER\n");
1051                                                 goto err;
1052                                                 }
1053                                         /* blah, blah */
1054                                         }
1055                                 else if (r == 0)
1056                                         {
1057                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1058                                         goto err;
1059                                         }
1060                                 else
1061                                         {
1062                                         if (debug)
1063                                                 printf("server read %d\n", r);
1064                                         sr_num -= r;
1065                                         }
1066                                 }
1067
1068                         *s_time += (clock() - s_clock);
1069                         }
1070                         
1071                         {
1072                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1073
1074                         size_t r1, r2;
1075                         BIO *io1 = server_io, *io2 = client_io;
1076                         /* we use the non-copying interface for io1
1077                          * and the standard BIO_write/BIO_read interface for io2
1078                          */
1079                         
1080                         static int prev_progress = 1;
1081                         int progress = 0;
1082                         
1083                         /* io1 to io2 */
1084                         do
1085                                 {
1086                                 size_t num;
1087                                 int r;
1088
1089                                 r1 = BIO_ctrl_pending(io1);
1090                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1091
1092                                 num = r1;
1093                                 if (r2 < num)
1094                                         num = r2;
1095                                 if (num)
1096                                         {
1097                                         char *dataptr;
1098
1099                                         if (INT_MAX < num) /* yeah, right */
1100                                                 num = INT_MAX;
1101                                         
1102                                         r = BIO_nread(io1, &dataptr, (int)num);
1103                                         assert(r > 0);
1104                                         assert(r <= (int)num);
1105                                         /* possibly r < num (non-contiguous data) */
1106                                         num = r;
1107                                         r = BIO_write(io2, dataptr, (int)num);
1108                                         if (r != (int)num) /* can't happen */
1109                                                 {
1110                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1111                                                         "BIO_ctrl_get_write_guarantee() bytes");
1112                                                 goto err;
1113                                                 }
1114                                         progress = 1;
1115
1116                                         if (debug)
1117                                                 printf((io1 == client_io) ?
1118                                                         "C->S relaying: %d bytes\n" :
1119                                                         "S->C relaying: %d bytes\n",
1120                                                         (int)num);
1121                                         }
1122                                 }
1123                         while (r1 && r2);
1124
1125                         /* io2 to io1 */
1126                         {
1127                                 size_t num;
1128                                 int r;
1129
1130                                 r1 = BIO_ctrl_pending(io2);
1131                                 r2 = BIO_ctrl_get_read_request(io1);
1132                                 /* here we could use ..._get_write_guarantee instead of
1133                                  * ..._get_read_request, but by using the latter
1134                                  * we test restartability of the SSL implementation
1135                                  * more thoroughly */
1136                                 num = r1;
1137                                 if (r2 < num)
1138                                         num = r2;
1139                                 if (num)
1140                                         {
1141                                         char *dataptr;
1142                                         
1143                                         if (INT_MAX < num)
1144                                                 num = INT_MAX;
1145
1146                                         if (num > 1)
1147                                                 --num; /* test restartability even more thoroughly */
1148                                         
1149                                         r = BIO_nwrite0(io1, &dataptr);
1150                                         assert(r > 0);
1151                                         if (r < (int)num)
1152                                                 num = r;
1153                                         r = BIO_read(io2, dataptr, (int)num);
1154                                         if (r != (int)num) /* can't happen */
1155                                                 {
1156                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1157                                                         "BIO_ctrl_pending() bytes");
1158                                                 goto err;
1159                                                 }
1160                                         progress = 1;
1161                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1162                                         if (r != (int)num) /* can't happen */
1163                                                 {
1164                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1165                                                         "BIO_nwrite0() bytes");
1166                                                 goto err;
1167                                                 }
1168                                         
1169                                         if (debug)
1170                                                 printf((io2 == client_io) ?
1171                                                         "C->S relaying: %d bytes\n" :
1172                                                         "S->C relaying: %d bytes\n",
1173                                                         (int)num);
1174                                         }
1175                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1176
1177                         if (!progress && !prev_progress)
1178                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1179                                         {
1180                                         fprintf(stderr, "ERROR: got stuck\n");
1181                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1182                                                 {
1183                                                 fprintf(stderr, "This can happen for SSL2 because "
1184                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1185                                                         "concurrently ...");
1186                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1187                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1188                                                         {
1189                                                         fprintf(stderr, " ok.\n");
1190                                                         goto end;
1191                                                         }
1192                                                 }
1193                                         fprintf(stderr, " ERROR.\n");
1194                                         goto err;
1195                                         }
1196                         prev_progress = progress;
1197                         }
1198                 }
1199         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1200
1201         if (verbose)
1202                 print_details(c_ssl, "DONE via BIO pair: ");
1203 end:
1204         ret = 0;
1205
1206  err:
1207         ERR_print_errors(bio_err);
1208         
1209         if (server)
1210                 BIO_free(server);
1211         if (server_io)
1212                 BIO_free(server_io);
1213         if (client)
1214                 BIO_free(client);
1215         if (client_io)
1216                 BIO_free(client_io);
1217         if (s_ssl_bio)
1218                 BIO_free(s_ssl_bio);
1219         if (c_ssl_bio)
1220                 BIO_free(c_ssl_bio);
1221
1222         return ret;
1223         }
1224
1225
1226 #define W_READ  1
1227 #define W_WRITE 2
1228 #define C_DONE  1
1229 #define S_DONE  2
1230
1231 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1232         {
1233         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1234         long cw_num=count,cr_num=count;
1235         long sw_num=count,sr_num=count;
1236         int ret=1;
1237         BIO *c_to_s=NULL;
1238         BIO *s_to_c=NULL;
1239         BIO *c_bio=NULL;
1240         BIO *s_bio=NULL;
1241         int c_r,c_w,s_r,s_w;
1242         int c_want,s_want;
1243         int i,j;
1244         int done=0;
1245         int c_write,s_write;
1246         int do_server=0,do_client=0;
1247
1248         memset(cbuf,0,sizeof(cbuf));
1249         memset(sbuf,0,sizeof(sbuf));
1250
1251         c_to_s=BIO_new(BIO_s_mem());
1252         s_to_c=BIO_new(BIO_s_mem());
1253         if ((s_to_c == NULL) || (c_to_s == NULL))
1254                 {
1255                 ERR_print_errors(bio_err);
1256                 goto err;
1257                 }
1258
1259         c_bio=BIO_new(BIO_f_ssl());
1260         s_bio=BIO_new(BIO_f_ssl());
1261         if ((c_bio == NULL) || (s_bio == NULL))
1262                 {
1263                 ERR_print_errors(bio_err);
1264                 goto err;
1265                 }
1266
1267         SSL_set_connect_state(c_ssl);
1268         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1269         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1270
1271         SSL_set_accept_state(s_ssl);
1272         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1273         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1274
1275         c_r=0; s_r=1;
1276         c_w=1; s_w=0;
1277         c_want=W_WRITE;
1278         s_want=0;
1279         c_write=1,s_write=0;
1280
1281         /* We can always do writes */
1282         for (;;)
1283                 {
1284                 do_server=0;
1285                 do_client=0;
1286
1287                 i=(int)BIO_pending(s_bio);
1288                 if ((i && s_r) || s_w) do_server=1;
1289
1290                 i=(int)BIO_pending(c_bio);
1291                 if ((i && c_r) || c_w) do_client=1;
1292
1293                 if (do_server && debug)
1294                         {
1295                         if (SSL_in_init(s_ssl))
1296                                 printf("server waiting in SSL_accept - %s\n",
1297                                         SSL_state_string_long(s_ssl));
1298 /*                      else if (s_write)
1299                                 printf("server:SSL_write()\n");
1300                         else
1301                                 printf("server:SSL_read()\n"); */
1302                         }
1303
1304                 if (do_client && debug)
1305                         {
1306                         if (SSL_in_init(c_ssl))
1307                                 printf("client waiting in SSL_connect - %s\n",
1308                                         SSL_state_string_long(c_ssl));
1309 /*                      else if (c_write)
1310                                 printf("client:SSL_write()\n");
1311                         else
1312                                 printf("client:SSL_read()\n"); */
1313                         }
1314
1315                 if (!do_client && !do_server)
1316                         {
1317                         fprintf(stdout,"ERROR IN STARTUP\n");
1318                         ERR_print_errors(bio_err);
1319                         break;
1320                         }
1321                 if (do_client && !(done & C_DONE))
1322                         {
1323                         if (c_write)
1324                                 {
1325                                 j=(cw_num > (long)sizeof(cbuf))
1326                                         ?sizeof(cbuf):(int)cw_num;
1327                                 i=BIO_write(c_bio,cbuf,j);
1328                                 if (i < 0)
1329                                         {
1330                                         c_r=0;
1331                                         c_w=0;
1332                                         if (BIO_should_retry(c_bio))
1333                                                 {
1334                                                 if (BIO_should_read(c_bio))
1335                                                         c_r=1;
1336                                                 if (BIO_should_write(c_bio))
1337                                                         c_w=1;
1338                                                 }
1339                                         else
1340                                                 {
1341                                                 fprintf(stderr,"ERROR in CLIENT\n");
1342                                                 ERR_print_errors(bio_err);
1343                                                 goto err;
1344                                                 }
1345                                         }
1346                                 else if (i == 0)
1347                                         {
1348                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1349                                         goto err;
1350                                         }
1351                                 else
1352                                         {
1353                                         if (debug)
1354                                                 printf("client wrote %d\n",i);
1355                                         /* ok */
1356                                         s_r=1;
1357                                         c_write=0;
1358                                         cw_num-=i;
1359                                         }
1360                                 }
1361                         else
1362                                 {
1363                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1364                                 if (i < 0)
1365                                         {
1366                                         c_r=0;
1367                                         c_w=0;
1368                                         if (BIO_should_retry(c_bio))
1369                                                 {
1370                                                 if (BIO_should_read(c_bio))
1371                                                         c_r=1;
1372                                                 if (BIO_should_write(c_bio))
1373                                                         c_w=1;
1374                                                 }
1375                                         else
1376                                                 {
1377                                                 fprintf(stderr,"ERROR in CLIENT\n");
1378                                                 ERR_print_errors(bio_err);
1379                                                 goto err;
1380                                                 }
1381                                         }
1382                                 else if (i == 0)
1383                                         {
1384                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1385                                         goto err;
1386                                         }
1387                                 else
1388                                         {
1389                                         if (debug)
1390                                                 printf("client read %d\n",i);
1391                                         cr_num-=i;
1392                                         if (sw_num > 0)
1393                                                 {
1394                                                 s_write=1;
1395                                                 s_w=1;
1396                                                 }
1397                                         if (cr_num <= 0)
1398                                                 {
1399                                                 s_write=1;
1400                                                 s_w=1;
1401                                                 done=S_DONE|C_DONE;
1402                                                 }
1403                                         }
1404                                 }
1405                         }
1406
1407                 if (do_server && !(done & S_DONE))
1408                         {
1409                         if (!s_write)
1410                                 {
1411                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1412                                 if (i < 0)
1413                                         {
1414                                         s_r=0;
1415                                         s_w=0;
1416                                         if (BIO_should_retry(s_bio))
1417                                                 {
1418                                                 if (BIO_should_read(s_bio))
1419                                                         s_r=1;
1420                                                 if (BIO_should_write(s_bio))
1421                                                         s_w=1;
1422                                                 }
1423                                         else
1424                                                 {
1425                                                 fprintf(stderr,"ERROR in SERVER\n");
1426                                                 ERR_print_errors(bio_err);
1427                                                 goto err;
1428                                                 }
1429                                         }
1430                                 else if (i == 0)
1431                                         {
1432                                         ERR_print_errors(bio_err);
1433                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1434                                         goto err;
1435                                         }
1436                                 else
1437                                         {
1438                                         if (debug)
1439                                                 printf("server read %d\n",i);
1440                                         sr_num-=i;
1441                                         if (cw_num > 0)
1442                                                 {
1443                                                 c_write=1;
1444                                                 c_w=1;
1445                                                 }
1446                                         if (sr_num <= 0)
1447                                                 {
1448                                                 s_write=1;
1449                                                 s_w=1;
1450                                                 c_write=0;
1451                                                 }
1452                                         }
1453                                 }
1454                         else
1455                                 {
1456                                 j=(sw_num > (long)sizeof(sbuf))?
1457                                         sizeof(sbuf):(int)sw_num;
1458                                 i=BIO_write(s_bio,sbuf,j);
1459                                 if (i < 0)
1460                                         {
1461                                         s_r=0;
1462                                         s_w=0;
1463                                         if (BIO_should_retry(s_bio))
1464                                                 {
1465                                                 if (BIO_should_read(s_bio))
1466                                                         s_r=1;
1467                                                 if (BIO_should_write(s_bio))
1468                                                         s_w=1;
1469                                                 }
1470                                         else
1471                                                 {
1472                                                 fprintf(stderr,"ERROR in SERVER\n");
1473                                                 ERR_print_errors(bio_err);
1474                                                 goto err;
1475                                                 }
1476                                         }
1477                                 else if (i == 0)
1478                                         {
1479                                         ERR_print_errors(bio_err);
1480                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1481                                         goto err;
1482                                         }
1483                                 else
1484                                         {
1485                                         if (debug)
1486                                                 printf("server wrote %d\n",i);
1487                                         sw_num-=i;
1488                                         s_write=0;
1489                                         c_r=1;
1490                                         if (sw_num <= 0)
1491                                                 done|=S_DONE;
1492                                         }
1493                                 }
1494                         }
1495
1496                 if ((done & S_DONE) && (done & C_DONE)) break;
1497                 }
1498
1499         if (verbose)
1500                 print_details(c_ssl, "DONE: ");
1501         ret=0;
1502 err:
1503         /* We have to set the BIO's to NULL otherwise they will be
1504          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1505          * again when c_ssl is SSL_free()ed.
1506          * This is a hack required because s_ssl and c_ssl are sharing the same
1507          * BIO structure and SSL_set_bio() and SSL_free() automatically
1508          * BIO_free non NULL entries.
1509          * You should not normally do this or be required to do this */
1510         if (s_ssl != NULL)
1511                 {
1512                 s_ssl->rbio=NULL;
1513                 s_ssl->wbio=NULL;
1514                 }
1515         if (c_ssl != NULL)
1516                 {
1517                 c_ssl->rbio=NULL;
1518                 c_ssl->wbio=NULL;
1519                 }
1520
1521         if (c_to_s != NULL) BIO_free(c_to_s);
1522         if (s_to_c != NULL) BIO_free(s_to_c);
1523         if (c_bio != NULL) BIO_free_all(c_bio);
1524         if (s_bio != NULL) BIO_free_all(s_bio);
1525         return(ret);
1526         }
1527
1528 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1529         {
1530         char *s,buf[256];
1531
1532         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1533                             sizeof buf);
1534         if (s != NULL)
1535                 {
1536                 if (ok)
1537                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1538                 else
1539                         fprintf(stderr,"depth=%d error=%d %s\n",
1540                                 ctx->error_depth,ctx->error,buf);
1541                 }
1542
1543         if (ok == 0)
1544                 {
1545                 switch (ctx->error)
1546                         {
1547                 case X509_V_ERR_CERT_NOT_YET_VALID:
1548                 case X509_V_ERR_CERT_HAS_EXPIRED:
1549                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1550                         ok=1;
1551                         }
1552                 }
1553
1554         return(ok);
1555         }
1556
1557 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1558         {
1559         char *s = NULL,buf[256];
1560         int ok=1;
1561
1562         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1563         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1564         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1565                         (unsigned int)ctx, (unsigned int)ctx->cert);
1566         if (ctx->cert)
1567                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1568         if (s != NULL)
1569                 {
1570                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1571                 }
1572
1573         return(ok);
1574         }
1575
1576 #ifndef OPENSSL_NO_RSA
1577 static RSA *rsa_tmp=NULL;
1578
1579 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1580         {
1581         if (rsa_tmp == NULL)
1582                 {
1583                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1584                 (void)BIO_flush(bio_err);
1585                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1586                 BIO_printf(bio_err,"\n");
1587                 (void)BIO_flush(bio_err);
1588                 }
1589         return(rsa_tmp);
1590         }
1591
1592 static void free_tmp_rsa(void)
1593         {
1594         if (rsa_tmp != NULL)
1595                 {
1596                 RSA_free(rsa_tmp);
1597                 rsa_tmp = NULL;
1598                 }
1599         }
1600 #endif
1601
1602 #ifndef OPENSSL_NO_DH
1603 /* These DH parameters have been generated as follows:
1604  *    $ openssl dhparam -C -noout 512
1605  *    $ openssl dhparam -C -noout 1024
1606  *    $ openssl dhparam -C -noout -dsaparam 1024
1607  * (The third function has been renamed to avoid name conflicts.)
1608  */
1609 static DH *get_dh512()
1610         {
1611         static unsigned char dh512_p[]={
1612                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1613                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1614                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1615                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1616                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1617                 0x02,0xC5,0xAE,0x23,
1618                 };
1619         static unsigned char dh512_g[]={
1620                 0x02,
1621                 };
1622         DH *dh;
1623
1624         if ((dh=DH_new()) == NULL) return(NULL);
1625         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1626         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1627         if ((dh->p == NULL) || (dh->g == NULL))
1628                 { DH_free(dh); return(NULL); }
1629         return(dh);
1630         }
1631
1632 static DH *get_dh1024()
1633         {
1634         static unsigned char dh1024_p[]={
1635                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1636                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1637                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1638                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1639                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1640                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1641                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1642                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1643                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1644                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1645                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1646                 };
1647         static unsigned char dh1024_g[]={
1648                 0x02,
1649                 };
1650         DH *dh;
1651
1652         if ((dh=DH_new()) == NULL) return(NULL);
1653         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1654         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1655         if ((dh->p == NULL) || (dh->g == NULL))
1656                 { DH_free(dh); return(NULL); }
1657         return(dh);
1658         }
1659
1660 static DH *get_dh1024dsa()
1661         {
1662         static unsigned char dh1024_p[]={
1663                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1664                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1665                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1666                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1667                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1668                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1669                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1670                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1671                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1672                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1673                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1674                 };
1675         static unsigned char dh1024_g[]={
1676                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1677                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1678                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1679                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1680                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1681                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1682                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1683                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1684                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1685                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1686                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1687                 };
1688         DH *dh;
1689
1690         if ((dh=DH_new()) == NULL) return(NULL);
1691         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1692         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1693         if ((dh->p == NULL) || (dh->g == NULL))
1694                 { DH_free(dh); return(NULL); }
1695         dh->length = 160;
1696         return(dh);
1697         }
1698 #endif