more mingw related cleanups.
[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
120 #include <assert.h>
121 #include <errno.h>
122 #include <limits.h>
123 #include <stdio.h>
124 #include <stdlib.h>
125 #include <string.h>
126 #include <time.h>
127
128 #define USE_SOCKETS
129 #include "e_os.h"
130
131 #include <openssl/bio.h>
132 #include <openssl/crypto.h>
133 #include <openssl/evp.h>
134 #include <openssl/x509.h>
135 #include <openssl/ssl.h>
136 #ifndef OPENSSL_NO_ENGINE
137 #include <openssl/engine.h>
138 #endif
139 #include <openssl/err.h>
140 #include <openssl/rand.h>
141
142 #define _XOPEN_SOURCE_EXTENDED  1 /* Or gethostname won't be declared properly
143                                      on Compaq platforms (at least with DEC C).
144                                      Do not try to put it earlier, or IPv6 includes
145                                      get screwed...
146                                   */
147
148 #ifdef OPENSSL_SYS_WINDOWS
149 #include <winsock.h>
150 #else
151 #include OPENSSL_UNISTD
152 #endif
153
154 #ifdef OPENSSL_SYS_VMS
155 #  define TEST_SERVER_CERT "SYS$DISK:[-.APPS]SERVER.PEM"
156 #  define TEST_CLIENT_CERT "SYS$DISK:[-.APPS]CLIENT.PEM"
157 #elif defined(OPENSSL_SYS_WINCE)
158 #  define TEST_SERVER_CERT "\\OpenSSL\\server.pem"
159 #  define TEST_CLIENT_CERT "\\OpenSSL\\client.pem"
160 #else
161 #  define TEST_SERVER_CERT "../apps/server.pem"
162 #  define TEST_CLIENT_CERT "../apps/client.pem"
163 #endif
164
165 /* There is really no standard for this, so let's assign some tentative
166    numbers.  In any case, these numbers are only for this test */
167 #define COMP_RLE        1
168 #define COMP_ZLIB       2
169
170 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
171 #ifndef OPENSSL_NO_RSA
172 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export,int keylength);
173 static void free_tmp_rsa(void);
174 #endif
175 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg);
176 #define APP_CALLBACK "Test Callback Argument"
177 static char *app_verify_arg = APP_CALLBACK;
178
179 #ifndef OPENSSL_NO_DH
180 static DH *get_dh512(void);
181 static DH *get_dh1024(void);
182 static DH *get_dh1024dsa(void);
183 #endif
184
185 static BIO *bio_err=NULL;
186 static BIO *bio_stdout=NULL;
187
188 static char *cipher=NULL;
189 static int verbose=0;
190 static int debug=0;
191 #if 0
192 /* Not used yet. */
193 #ifdef FIONBIO
194 static int s_nbio=0;
195 #endif
196 #endif
197
198 static const char rnd_seed[] = "string to make the random number generator think it has entropy";
199
200 int doit_biopair(SSL *s_ssl,SSL *c_ssl,long bytes,clock_t *s_time,clock_t *c_time);
201 int doit(SSL *s_ssl,SSL *c_ssl,long bytes);
202 static void sv_usage(void)
203         {
204         fprintf(stderr,"usage: ssltest [args ...]\n");
205         fprintf(stderr,"\n");
206         fprintf(stderr," -server_auth  - check server certificate\n");
207         fprintf(stderr," -client_auth  - do client authentication\n");
208         fprintf(stderr," -v            - more output\n");
209         fprintf(stderr," -d            - debug output\n");
210         fprintf(stderr," -reuse        - use session-id reuse\n");
211         fprintf(stderr," -num <val>    - number of connections to perform\n");
212         fprintf(stderr," -bytes <val>  - number of bytes to swap between client/server\n");
213 #ifndef OPENSSL_NO_DH
214         fprintf(stderr," -dhe1024      - use 1024 bit key (safe prime) for DHE\n");
215         fprintf(stderr," -dhe1024dsa   - use 1024 bit key (with 160-bit subprime) for DHE\n");
216         fprintf(stderr," -no_dhe       - disable DHE\n");
217 #endif
218 #ifndef OPENSSL_NO_ECDH
219         fprintf(stderr," -no_ecdhe     - disable ECDHE\n");
220 #endif
221 #ifndef OPENSSL_NO_SSL2
222         fprintf(stderr," -ssl2         - use SSLv2\n");
223 #endif
224 #ifndef OPENSSL_NO_SSL3
225         fprintf(stderr," -ssl3         - use SSLv3\n");
226 #endif
227 #ifndef OPENSSL_NO_TLS1
228         fprintf(stderr," -tls1         - use TLSv1\n");
229 #endif
230         fprintf(stderr," -CApath arg   - PEM format directory of CA's\n");
231         fprintf(stderr," -CAfile arg   - PEM format file of CA's\n");
232         fprintf(stderr," -cert arg     - Server certificate file\n");
233         fprintf(stderr," -key arg      - Server key file (default: same as -cert)\n");
234         fprintf(stderr," -c_cert arg   - Client certificate file\n");
235         fprintf(stderr," -c_key arg    - Client key file (default: same as -c_cert)\n");
236         fprintf(stderr," -cipher arg   - The cipher list\n");
237         fprintf(stderr," -bio_pair     - Use BIO pairs\n");
238         fprintf(stderr," -f            - Test even cases that can't work\n");
239         fprintf(stderr," -time         - measure processor time used by client and server\n");
240         fprintf(stderr," -zlib         - use zlib compression\n");
241         fprintf(stderr," -rle          - use rle compression\n");
242 #ifndef OPENSSL_NO_ECDH
243         fprintf(stderr," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
244                        "                 Use \"openssl ecparam -list_curves\" for all names\n"  \
245                        "                 (default is sect163r2).\n");
246 #endif
247         }
248
249 static void print_details(SSL *c_ssl, const char *prefix)
250         {
251         SSL_CIPHER *ciph;
252         X509 *cert;
253                 
254         ciph=SSL_get_current_cipher(c_ssl);
255         BIO_printf(bio_stdout,"%s%s, cipher %s %s",
256                 prefix,
257                 SSL_get_version(c_ssl),
258                 SSL_CIPHER_get_version(ciph),
259                 SSL_CIPHER_get_name(ciph));
260         cert=SSL_get_peer_certificate(c_ssl);
261         if (cert != NULL)
262                 {
263                 EVP_PKEY *pkey = X509_get_pubkey(cert);
264                 if (pkey != NULL)
265                         {
266                         if (0) 
267                                 ;
268 #ifndef OPENSSL_NO_RSA
269                         else if (pkey->type == EVP_PKEY_RSA && pkey->pkey.rsa != NULL
270                                 && pkey->pkey.rsa->n != NULL)
271                                 {
272                                 BIO_printf(bio_stdout, ", %d bit RSA",
273                                         BN_num_bits(pkey->pkey.rsa->n));
274                                 }
275 #endif
276 #ifndef OPENSSL_NO_DSA
277                         else if (pkey->type == EVP_PKEY_DSA && pkey->pkey.dsa != NULL
278                                 && pkey->pkey.dsa->p != NULL)
279                                 {
280                                 BIO_printf(bio_stdout, ", %d bit DSA",
281                                         BN_num_bits(pkey->pkey.dsa->p));
282                                 }
283 #endif
284                         EVP_PKEY_free(pkey);
285                         }
286                 X509_free(cert);
287                 }
288         /* The SSL API does not allow us to look at temporary RSA/DH keys,
289          * otherwise we should print their lengths too */
290         BIO_printf(bio_stdout,"\n");
291         }
292
293 static void lock_dbg_cb(int mode, int type, const char *file, int line)
294         {
295         static int modes[CRYPTO_NUM_LOCKS]; /* = {0, 0, ... } */
296         const char *errstr = NULL;
297         int rw;
298         
299         rw = mode & (CRYPTO_READ|CRYPTO_WRITE);
300         if (!((rw == CRYPTO_READ) || (rw == CRYPTO_WRITE)))
301                 {
302                 errstr = "invalid mode";
303                 goto err;
304                 }
305
306         if (type < 0 || type > CRYPTO_NUM_LOCKS)
307                 {
308                 errstr = "type out of bounds";
309                 goto err;
310                 }
311
312         if (mode & CRYPTO_LOCK)
313                 {
314                 if (modes[type])
315                         {
316                         errstr = "already locked";
317                         /* must not happen in a single-threaded program
318                          * (would deadlock) */
319                         goto err;
320                         }
321
322                 modes[type] = rw;
323                 }
324         else if (mode & CRYPTO_UNLOCK)
325                 {
326                 if (!modes[type])
327                         {
328                         errstr = "not locked";
329                         goto err;
330                         }
331                 
332                 if (modes[type] != rw)
333                         {
334                         errstr = (rw == CRYPTO_READ) ?
335                                 "CRYPTO_r_unlock on write lock" :
336                                 "CRYPTO_w_unlock on read lock";
337                         }
338
339                 modes[type] = 0;
340                 }
341         else
342                 {
343                 errstr = "invalid mode";
344                 goto err;
345                 }
346
347  err:
348         if (errstr)
349                 {
350                 /* we cannot use bio_err here */
351                 fprintf(stderr, "openssl (lock_dbg_cb): %s (mode=%d, type=%d) at %s:%d\n",
352                         errstr, mode, type, file, line);
353                 }
354         }
355
356 int main(int argc, char *argv[])
357         {
358         char *CApath=NULL,*CAfile=NULL;
359         int badop=0;
360         int bio_pair=0;
361         int force=0;
362         int tls1=0,ssl2=0,ssl3=0,ret=1;
363         int client_auth=0;
364         int server_auth=0,i;
365         int app_verify=0;
366         char *server_cert=TEST_SERVER_CERT;
367         char *server_key=NULL;
368         char *client_cert=TEST_CLIENT_CERT;
369         char *client_key=NULL;
370         char *named_curve = NULL;
371         SSL_CTX *s_ctx=NULL;
372         SSL_CTX *c_ctx=NULL;
373         SSL_METHOD *meth=NULL;
374         SSL *c_ssl,*s_ssl;
375         int number=1,reuse=0;
376         long bytes=1L;
377 #ifndef OPENSSL_NO_DH
378         DH *dh;
379         int dhe1024 = 0, dhe1024dsa = 0;
380 #endif
381 #ifndef OPENSSL_NO_ECDH
382         EC_KEY *ecdh = NULL;
383 #endif
384         int no_dhe = 0;
385         int no_ecdhe = 0;
386         int print_time = 0;
387         clock_t s_time = 0, c_time = 0;
388         int comp = 0;
389         COMP_METHOD *cm = NULL;
390
391         verbose = 0;
392         debug = 0;
393         cipher = 0;
394
395         bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 
396
397         CRYPTO_set_locking_callback(lock_dbg_cb);
398
399         /* enable memory leak checking unless explicitly disabled */
400         if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
401                 {
402                 CRYPTO_malloc_debug_init();
403                 CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
404                 }
405         else
406                 {
407                 /* OPENSSL_DEBUG_MEMORY=off */
408                 CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
409                 }
410         CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
411
412         RAND_seed(rnd_seed, sizeof rnd_seed);
413
414         bio_stdout=BIO_new_fp(stdout,BIO_NOCLOSE);
415
416         argc--;
417         argv++;
418
419         while (argc >= 1)
420                 {
421                 if      (strcmp(*argv,"-server_auth") == 0)
422                         server_auth=1;
423                 else if (strcmp(*argv,"-client_auth") == 0)
424                         client_auth=1;
425                 else if (strcmp(*argv,"-v") == 0)
426                         verbose=1;
427                 else if (strcmp(*argv,"-d") == 0)
428                         debug=1;
429                 else if (strcmp(*argv,"-reuse") == 0)
430                         reuse=1;
431                 else if (strcmp(*argv,"-dhe1024") == 0)
432                         {
433 #ifndef OPENSSL_NO_DH
434                         dhe1024=1;
435 #else
436                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
437 #endif
438                         }
439                 else if (strcmp(*argv,"-dhe1024dsa") == 0)
440                         {
441 #ifndef OPENSSL_NO_DH
442                         dhe1024dsa=1;
443 #else
444                         fprintf(stderr,"ignoring -dhe1024, since I'm compiled without DH\n");
445 #endif
446                         }
447                 else if (strcmp(*argv,"-no_dhe") == 0)
448                         no_dhe=1;
449                 else if (strcmp(*argv,"-no_ecdhe") == 0)
450                         no_ecdhe=1;
451                 else if (strcmp(*argv,"-ssl2") == 0)
452                         ssl2=1;
453                 else if (strcmp(*argv,"-tls1") == 0)
454                         tls1=1;
455                 else if (strcmp(*argv,"-ssl3") == 0)
456                         ssl3=1;
457                 else if (strncmp(*argv,"-num",4) == 0)
458                         {
459                         if (--argc < 1) goto bad;
460                         number= atoi(*(++argv));
461                         if (number == 0) number=1;
462                         }
463                 else if (strcmp(*argv,"-bytes") == 0)
464                         {
465                         if (--argc < 1) goto bad;
466                         bytes= atol(*(++argv));
467                         if (bytes == 0L) bytes=1L;
468                         i=strlen(argv[0]);
469                         if (argv[0][i-1] == 'k') bytes*=1024L;
470                         if (argv[0][i-1] == 'm') bytes*=1024L*1024L;
471                         }
472                 else if (strcmp(*argv,"-cert") == 0)
473                         {
474                         if (--argc < 1) goto bad;
475                         server_cert= *(++argv);
476                         }
477                 else if (strcmp(*argv,"-s_cert") == 0)
478                         {
479                         if (--argc < 1) goto bad;
480                         server_cert= *(++argv);
481                         }
482                 else if (strcmp(*argv,"-key") == 0)
483                         {
484                         if (--argc < 1) goto bad;
485                         server_key= *(++argv);
486                         }
487                 else if (strcmp(*argv,"-s_key") == 0)
488                         {
489                         if (--argc < 1) goto bad;
490                         server_key= *(++argv);
491                         }
492                 else if (strcmp(*argv,"-c_cert") == 0)
493                         {
494                         if (--argc < 1) goto bad;
495                         client_cert= *(++argv);
496                         }
497                 else if (strcmp(*argv,"-c_key") == 0)
498                         {
499                         if (--argc < 1) goto bad;
500                         client_key= *(++argv);
501                         }
502                 else if (strcmp(*argv,"-cipher") == 0)
503                         {
504                         if (--argc < 1) goto bad;
505                         cipher= *(++argv);
506                         }
507                 else if (strcmp(*argv,"-CApath") == 0)
508                         {
509                         if (--argc < 1) goto bad;
510                         CApath= *(++argv);
511                         }
512                 else if (strcmp(*argv,"-CAfile") == 0)
513                         {
514                         if (--argc < 1) goto bad;
515                         CAfile= *(++argv);
516                         }
517                 else if (strcmp(*argv,"-bio_pair") == 0)
518                         {
519                         bio_pair = 1;
520                         }
521                 else if (strcmp(*argv,"-f") == 0)
522                         {
523                         force = 1;
524                         }
525                 else if (strcmp(*argv,"-time") == 0)
526                         {
527                         print_time = 1;
528                         }
529                 else if (strcmp(*argv,"-zlib") == 0)
530                         {
531                         comp = COMP_ZLIB;
532                         }
533                 else if (strcmp(*argv,"-rle") == 0)
534                         {
535                         comp = COMP_RLE;
536                         }
537                 else if (strcmp(*argv,"-named_curve") == 0)
538                         {
539                         if (--argc < 1) goto bad;
540 #ifndef OPENSSL_NO_ECDH         
541                         named_curve = *(++argv);
542 #else
543                         fprintf(stderr,"ignoring -named_curve, since I'm compiled without ECDH\n");
544                         ++argv;
545 #endif
546                         }
547                 else if (strcmp(*argv,"-app_verify") == 0)
548                         {
549                         app_verify = 1;
550                         }
551                 else
552                         {
553                         fprintf(stderr,"unknown option %s\n",*argv);
554                         badop=1;
555                         break;
556                         }
557                 argc--;
558                 argv++;
559                 }
560         if (badop)
561                 {
562 bad:
563                 sv_usage();
564                 goto end;
565                 }
566
567         if (!ssl2 && !ssl3 && !tls1 && number > 1 && !reuse && !force)
568                 {
569                 fprintf(stderr, "This case cannot work.  Use -f to perform "
570                         "the test anyway (and\n-d to see what happens), "
571                         "or add one of -ssl2, -ssl3, -tls1, -reuse\n"
572                         "to avoid protocol mismatch.\n");
573                 EXIT(1);
574                 }
575
576         if (print_time)
577                 {
578                 if (!bio_pair)
579                         {
580                         fprintf(stderr, "Using BIO pair (-bio_pair)\n");
581                         bio_pair = 1;
582                         }
583                 if (number < 50 && !force)
584                         fprintf(stderr, "Warning: For accurate timings, use more connections (e.g. -num 1000)\n");
585                 }
586
587 /*      if (cipher == NULL) cipher=getenv("SSL_CIPHER"); */
588
589         SSL_library_init();
590         SSL_load_error_strings();
591
592         if (comp == COMP_ZLIB) cm = COMP_zlib();
593         if (comp == COMP_RLE) cm = COMP_rle();
594         if (cm != NULL)
595                 {
596                 if (cm->type != NID_undef)
597                         SSL_COMP_add_compression_method(comp, cm);
598                 else
599                         {
600                         fprintf(stderr,
601                                 "Warning: %s compression not supported\n",
602                                 (comp == COMP_RLE ? "rle" :
603                                         (comp == COMP_ZLIB ? "zlib" :
604                                                 "unknown")));
605                         ERR_print_errors_fp(stderr);
606                         }
607                 }
608
609 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
610         if (ssl2)
611                 meth=SSLv2_method();
612         else 
613         if (tls1)
614                 meth=TLSv1_method();
615         else
616         if (ssl3)
617                 meth=SSLv3_method();
618         else
619                 meth=SSLv23_method();
620 #else
621 #ifdef OPENSSL_NO_SSL2
622         meth=SSLv3_method();
623 #else
624         meth=SSLv2_method();
625 #endif
626 #endif
627
628         c_ctx=SSL_CTX_new(meth);
629         s_ctx=SSL_CTX_new(meth);
630         if ((c_ctx == NULL) || (s_ctx == NULL))
631                 {
632                 ERR_print_errors(bio_err);
633                 goto end;
634                 }
635
636         if (cipher != NULL)
637                 {
638                 SSL_CTX_set_cipher_list(c_ctx,cipher);
639                 SSL_CTX_set_cipher_list(s_ctx,cipher);
640                 }
641
642 #ifndef OPENSSL_NO_DH
643         if (!no_dhe)
644                 {
645                 if (dhe1024dsa)
646                         {
647                         /* use SSL_OP_SINGLE_DH_USE to avoid small subgroup attacks */
648                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_DH_USE);
649                         dh=get_dh1024dsa();
650                         }
651                 else if (dhe1024)
652                         dh=get_dh1024();
653                 else
654                         dh=get_dh512();
655                 SSL_CTX_set_tmp_dh(s_ctx,dh);
656                 DH_free(dh);
657                 }
658 #else
659         (void)no_dhe;
660 #endif
661
662 #ifndef OPENSSL_NO_ECDH
663         if (!no_ecdhe)
664                 {
665                 ecdh = EC_KEY_new();
666                 if (ecdh != NULL)
667                         {
668                         if (named_curve)
669                                 {
670                                 int nid = OBJ_sn2nid(named_curve);
671
672                                 if (nid == 0)
673                                         {
674                                         BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve);
675                                         EC_KEY_free(ecdh);
676                                         goto end;
677                                         }
678
679                                 ecdh->group = EC_GROUP_new_by_nid(nid);
680                                 if (ecdh->group == NULL)
681                                         {
682                                         BIO_printf(bio_err, "unable to create curve (%s)\n", named_curve);
683                                         EC_KEY_free(ecdh);
684                                         goto end;
685                                         }
686                                 }
687                         
688                         if (ecdh->group == NULL)
689                                 ecdh->group=EC_GROUP_new_by_nid(NID_sect163r2);
690
691                         SSL_CTX_set_tmp_ecdh(s_ctx, ecdh);
692                         SSL_CTX_set_options(s_ctx, SSL_OP_SINGLE_ECDH_USE);
693                         EC_KEY_free(ecdh);
694                         }
695                 }
696 #else
697         (void)no_ecdhe;
698 #endif
699
700 #ifndef OPENSSL_NO_RSA
701         SSL_CTX_set_tmp_rsa_callback(s_ctx,tmp_rsa_cb);
702 #endif
703
704         if (!SSL_CTX_use_certificate_file(s_ctx,server_cert,SSL_FILETYPE_PEM))
705                 {
706                 ERR_print_errors(bio_err);
707                 }
708         else if (!SSL_CTX_use_PrivateKey_file(s_ctx,
709                 (server_key?server_key:server_cert), SSL_FILETYPE_PEM))
710                 {
711                 ERR_print_errors(bio_err);
712                 goto end;
713                 }
714
715         if (client_auth)
716                 {
717                 SSL_CTX_use_certificate_file(c_ctx,client_cert,
718                         SSL_FILETYPE_PEM);
719                 SSL_CTX_use_PrivateKey_file(c_ctx,
720                         (client_key?client_key:client_cert),
721                         SSL_FILETYPE_PEM);
722                 }
723
724         if (    (!SSL_CTX_load_verify_locations(s_ctx,CAfile,CApath)) ||
725                 (!SSL_CTX_set_default_verify_paths(s_ctx)) ||
726                 (!SSL_CTX_load_verify_locations(c_ctx,CAfile,CApath)) ||
727                 (!SSL_CTX_set_default_verify_paths(c_ctx)))
728                 {
729                 /* fprintf(stderr,"SSL_load_verify_locations\n"); */
730                 ERR_print_errors(bio_err);
731                 /* goto end; */
732                 }
733
734         if (client_auth)
735                 {
736                 BIO_printf(bio_err,"client authentication\n");
737                 SSL_CTX_set_verify(s_ctx,
738                         SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
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         if (server_auth)
746                 {
747                 BIO_printf(bio_err,"server authentication\n");
748                 SSL_CTX_set_verify(c_ctx,SSL_VERIFY_PEER,
749                         verify_callback);
750                 if (app_verify) 
751                         {
752                         SSL_CTX_set_cert_verify_callback(s_ctx, app_verify_callback, app_verify_arg);
753                         }
754                 }
755         
756         {
757                 int session_id_context = 0;
758                 SSL_CTX_set_session_id_context(s_ctx, (void *)&session_id_context, sizeof session_id_context);
759         }
760
761         c_ssl=SSL_new(c_ctx);
762         s_ssl=SSL_new(s_ctx);
763
764 #ifndef OPENSSL_NO_KRB5
765         if (c_ssl  &&  c_ssl->kssl_ctx)
766                 {
767                 char    localhost[MAXHOSTNAMELEN+2];
768
769                 if (gethostname(localhost, sizeof localhost-1) == 0)
770                         {
771                         localhost[sizeof localhost-1]='\0';
772                         if(strlen(localhost) == sizeof localhost-1)
773                                 {
774                                 BIO_printf(bio_err,"localhost name too long\n");
775                                 goto end;
776                                 }
777                         kssl_ctx_setstring(c_ssl->kssl_ctx, KSSL_SERVER,
778                                 localhost);
779                         }
780                 }
781 #endif    /* OPENSSL_NO_KRB5  */
782
783         for (i=0; i<number; i++)
784                 {
785                 if (!reuse) SSL_set_session(c_ssl,NULL);
786                 if (bio_pair)
787                         ret=doit_biopair(s_ssl,c_ssl,bytes,&s_time,&c_time);
788                 else
789                         ret=doit(s_ssl,c_ssl,bytes);
790                 }
791
792         if (!verbose)
793                 {
794                 print_details(c_ssl, "");
795                 }
796         if ((number > 1) || (bytes > 1L))
797                 BIO_printf(bio_stdout, "%d handshakes of %ld bytes done\n",number,bytes);
798         if (print_time)
799                 {
800 #ifdef CLOCKS_PER_SEC
801                 /* "To determine the time in seconds, the value returned
802                  * by the clock function should be divided by the value
803                  * of the macro CLOCKS_PER_SEC."
804                  *                                       -- ISO/IEC 9899 */
805                 BIO_printf(bio_stdout, "Approximate total server time: %6.2f s\n"
806                         "Approximate total client time: %6.2f s\n",
807                         (double)s_time/CLOCKS_PER_SEC,
808                         (double)c_time/CLOCKS_PER_SEC);
809 #else
810                 /* "`CLOCKS_PER_SEC' undeclared (first use this function)"
811                  *                            -- cc on NeXTstep/OpenStep */
812                 BIO_printf(bio_stdout,
813                         "Approximate total server time: %6.2f units\n"
814                         "Approximate total client time: %6.2f units\n",
815                         (double)s_time,
816                         (double)c_time);
817 #endif
818                 }
819
820         SSL_free(s_ssl);
821         SSL_free(c_ssl);
822
823 end:
824         if (s_ctx != NULL) SSL_CTX_free(s_ctx);
825         if (c_ctx != NULL) SSL_CTX_free(c_ctx);
826
827         if (bio_stdout != NULL) BIO_free(bio_stdout);
828
829 #ifndef OPENSSL_NO_RSA
830         free_tmp_rsa();
831 #endif
832 #ifndef OPENSSL_NO_ENGINE
833         ENGINE_cleanup();
834 #endif
835         CRYPTO_cleanup_all_ex_data();
836         ERR_free_strings();
837         ERR_remove_state(0);
838         EVP_cleanup();
839         CRYPTO_mem_leaks(bio_err);
840         if (bio_err != NULL) BIO_free(bio_err);
841         EXIT(ret);
842         }
843
844 int doit_biopair(SSL *s_ssl, SSL *c_ssl, long count,
845         clock_t *s_time, clock_t *c_time)
846         {
847         long cw_num = count, cr_num = count, sw_num = count, sr_num = count;
848         BIO *s_ssl_bio = NULL, *c_ssl_bio = NULL;
849         BIO *server = NULL, *server_io = NULL, *client = NULL, *client_io = NULL;
850         int ret = 1;
851         
852         size_t bufsiz = 256; /* small buffer for testing */
853
854         if (!BIO_new_bio_pair(&server, bufsiz, &server_io, bufsiz))
855                 goto err;
856         if (!BIO_new_bio_pair(&client, bufsiz, &client_io, bufsiz))
857                 goto err;
858         
859         s_ssl_bio = BIO_new(BIO_f_ssl());
860         if (!s_ssl_bio)
861                 goto err;
862
863         c_ssl_bio = BIO_new(BIO_f_ssl());
864         if (!c_ssl_bio)
865                 goto err;
866
867         SSL_set_connect_state(c_ssl);
868         SSL_set_bio(c_ssl, client, client);
869         (void)BIO_set_ssl(c_ssl_bio, c_ssl, BIO_NOCLOSE);
870
871         SSL_set_accept_state(s_ssl);
872         SSL_set_bio(s_ssl, server, server);
873         (void)BIO_set_ssl(s_ssl_bio, s_ssl, BIO_NOCLOSE);
874
875         do
876                 {
877                 /* c_ssl_bio:          SSL filter BIO
878                  *
879                  * client:             pseudo-I/O for SSL library
880                  *
881                  * client_io:          client's SSL communication; usually to be
882                  *                     relayed over some I/O facility, but in this
883                  *                     test program, we're the server, too:
884                  *
885                  * server_io:          server's SSL communication
886                  *
887                  * server:             pseudo-I/O for SSL library
888                  *
889                  * s_ssl_bio:          SSL filter BIO
890                  *
891                  * The client and the server each employ a "BIO pair":
892                  * client + client_io, server + server_io.
893                  * BIO pairs are symmetric.  A BIO pair behaves similar
894                  * to a non-blocking socketpair (but both endpoints must
895                  * be handled by the same thread).
896                  * [Here we could connect client and server to the ends
897                  * of a single BIO pair, but then this code would be less
898                  * suitable as an example for BIO pairs in general.]
899                  *
900                  * Useful functions for querying the state of BIO pair endpoints:
901                  *
902                  * BIO_ctrl_pending(bio)              number of bytes we can read now
903                  * BIO_ctrl_get_read_request(bio)     number of bytes needed to fulfil
904                  *                                      other side's read attempt
905                  * BIO_ctrl_get_write_guarantee(bio)   number of bytes we can write now
906                  *
907                  * ..._read_request is never more than ..._write_guarantee;
908                  * it depends on the application which one you should use.
909                  */
910
911                 /* We have non-blocking behaviour throughout this test program, but
912                  * can be sure that there is *some* progress in each iteration; so
913                  * we don't have to worry about ..._SHOULD_READ or ..._SHOULD_WRITE
914                  * -- we just try everything in each iteration
915                  */
916
917                         {
918                         /* CLIENT */
919                 
920                         MS_STATIC char cbuf[1024*8];
921                         int i, r;
922                         clock_t c_clock = clock();
923
924                         memset(cbuf, 0, sizeof(cbuf));
925
926                         if (debug)
927                                 if (SSL_in_init(c_ssl))
928                                         printf("client waiting in SSL_connect - %s\n",
929                                                 SSL_state_string_long(c_ssl));
930
931                         if (cw_num > 0)
932                                 {
933                                 /* Write to server. */
934                                 
935                                 if (cw_num > (long)sizeof cbuf)
936                                         i = sizeof cbuf;
937                                 else
938                                         i = (int)cw_num;
939                                 r = BIO_write(c_ssl_bio, cbuf, i);
940                                 if (r < 0)
941                                         {
942                                         if (!BIO_should_retry(c_ssl_bio))
943                                                 {
944                                                 fprintf(stderr,"ERROR in CLIENT\n");
945                                                 goto err;
946                                                 }
947                                         /* BIO_should_retry(...) can just be ignored here.
948                                          * The library expects us to call BIO_write with
949                                          * the same arguments again, and that's what we will
950                                          * do in the next iteration. */
951                                         }
952                                 else if (r == 0)
953                                         {
954                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
955                                         goto err;
956                                         }
957                                 else
958                                         {
959                                         if (debug)
960                                                 printf("client wrote %d\n", r);
961                                         cw_num -= r;                            
962                                         }
963                                 }
964
965                         if (cr_num > 0)
966                                 {
967                                 /* Read from server. */
968
969                                 r = BIO_read(c_ssl_bio, cbuf, sizeof(cbuf));
970                                 if (r < 0)
971                                         {
972                                         if (!BIO_should_retry(c_ssl_bio))
973                                                 {
974                                                 fprintf(stderr,"ERROR in CLIENT\n");
975                                                 goto err;
976                                                 }
977                                         /* Again, "BIO_should_retry" can be ignored. */
978                                         }
979                                 else if (r == 0)
980                                         {
981                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
982                                         goto err;
983                                         }
984                                 else
985                                         {
986                                         if (debug)
987                                                 printf("client read %d\n", r);
988                                         cr_num -= r;
989                                         }
990                                 }
991
992                         /* c_time and s_time increments will typically be very small
993                          * (depending on machine speed and clock tick intervals),
994                          * but sampling over a large number of connections should
995                          * result in fairly accurate figures.  We cannot guarantee
996                          * a lot, however -- if each connection lasts for exactly
997                          * one clock tick, it will be counted only for the client
998                          * or only for the server or even not at all.
999                          */
1000                         *c_time += (clock() - c_clock);
1001                         }
1002
1003                         {
1004                         /* SERVER */
1005                 
1006                         MS_STATIC char sbuf[1024*8];
1007                         int i, r;
1008                         clock_t s_clock = clock();
1009
1010                         memset(sbuf, 0, sizeof(sbuf));
1011
1012                         if (debug)
1013                                 if (SSL_in_init(s_ssl))
1014                                         printf("server waiting in SSL_accept - %s\n",
1015                                                 SSL_state_string_long(s_ssl));
1016
1017                         if (sw_num > 0)
1018                                 {
1019                                 /* Write to client. */
1020                                 
1021                                 if (sw_num > (long)sizeof sbuf)
1022                                         i = sizeof sbuf;
1023                                 else
1024                                         i = (int)sw_num;
1025                                 r = BIO_write(s_ssl_bio, sbuf, i);
1026                                 if (r < 0)
1027                                         {
1028                                         if (!BIO_should_retry(s_ssl_bio))
1029                                                 {
1030                                                 fprintf(stderr,"ERROR in SERVER\n");
1031                                                 goto err;
1032                                                 }
1033                                         /* Ignore "BIO_should_retry". */
1034                                         }
1035                                 else if (r == 0)
1036                                         {
1037                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1038                                         goto err;
1039                                         }
1040                                 else
1041                                         {
1042                                         if (debug)
1043                                                 printf("server wrote %d\n", r);
1044                                         sw_num -= r;                            
1045                                         }
1046                                 }
1047
1048                         if (sr_num > 0)
1049                                 {
1050                                 /* Read from client. */
1051
1052                                 r = BIO_read(s_ssl_bio, sbuf, sizeof(sbuf));
1053                                 if (r < 0)
1054                                         {
1055                                         if (!BIO_should_retry(s_ssl_bio))
1056                                                 {
1057                                                 fprintf(stderr,"ERROR in SERVER\n");
1058                                                 goto err;
1059                                                 }
1060                                         /* blah, blah */
1061                                         }
1062                                 else if (r == 0)
1063                                         {
1064                                         fprintf(stderr,"SSL SERVER STARTUP FAILED\n");
1065                                         goto err;
1066                                         }
1067                                 else
1068                                         {
1069                                         if (debug)
1070                                                 printf("server read %d\n", r);
1071                                         sr_num -= r;
1072                                         }
1073                                 }
1074
1075                         *s_time += (clock() - s_clock);
1076                         }
1077                         
1078                         {
1079                         /* "I/O" BETWEEN CLIENT AND SERVER. */
1080
1081                         size_t r1, r2;
1082                         BIO *io1 = server_io, *io2 = client_io;
1083                         /* we use the non-copying interface for io1
1084                          * and the standard BIO_write/BIO_read interface for io2
1085                          */
1086                         
1087                         static int prev_progress = 1;
1088                         int progress = 0;
1089                         
1090                         /* io1 to io2 */
1091                         do
1092                                 {
1093                                 size_t num;
1094                                 int r;
1095
1096                                 r1 = BIO_ctrl_pending(io1);
1097                                 r2 = BIO_ctrl_get_write_guarantee(io2);
1098
1099                                 num = r1;
1100                                 if (r2 < num)
1101                                         num = r2;
1102                                 if (num)
1103                                         {
1104                                         char *dataptr;
1105
1106                                         if (INT_MAX < num) /* yeah, right */
1107                                                 num = INT_MAX;
1108                                         
1109                                         r = BIO_nread(io1, &dataptr, (int)num);
1110                                         assert(r > 0);
1111                                         assert(r <= (int)num);
1112                                         /* possibly r < num (non-contiguous data) */
1113                                         num = r;
1114                                         r = BIO_write(io2, dataptr, (int)num);
1115                                         if (r != (int)num) /* can't happen */
1116                                                 {
1117                                                 fprintf(stderr, "ERROR: BIO_write could not write "
1118                                                         "BIO_ctrl_get_write_guarantee() bytes");
1119                                                 goto err;
1120                                                 }
1121                                         progress = 1;
1122
1123                                         if (debug)
1124                                                 printf((io1 == client_io) ?
1125                                                         "C->S relaying: %d bytes\n" :
1126                                                         "S->C relaying: %d bytes\n",
1127                                                         (int)num);
1128                                         }
1129                                 }
1130                         while (r1 && r2);
1131
1132                         /* io2 to io1 */
1133                         {
1134                                 size_t num;
1135                                 int r;
1136
1137                                 r1 = BIO_ctrl_pending(io2);
1138                                 r2 = BIO_ctrl_get_read_request(io1);
1139                                 /* here we could use ..._get_write_guarantee instead of
1140                                  * ..._get_read_request, but by using the latter
1141                                  * we test restartability of the SSL implementation
1142                                  * more thoroughly */
1143                                 num = r1;
1144                                 if (r2 < num)
1145                                         num = r2;
1146                                 if (num)
1147                                         {
1148                                         char *dataptr;
1149                                         
1150                                         if (INT_MAX < num)
1151                                                 num = INT_MAX;
1152
1153                                         if (num > 1)
1154                                                 --num; /* test restartability even more thoroughly */
1155                                         
1156                                         r = BIO_nwrite0(io1, &dataptr);
1157                                         assert(r > 0);
1158                                         if (r < (int)num)
1159                                                 num = r;
1160                                         r = BIO_read(io2, dataptr, (int)num);
1161                                         if (r != (int)num) /* can't happen */
1162                                                 {
1163                                                 fprintf(stderr, "ERROR: BIO_read could not read "
1164                                                         "BIO_ctrl_pending() bytes");
1165                                                 goto err;
1166                                                 }
1167                                         progress = 1;
1168                                         r = BIO_nwrite(io1, &dataptr, (int)num);
1169                                         if (r != (int)num) /* can't happen */
1170                                                 {
1171                                                 fprintf(stderr, "ERROR: BIO_nwrite() did not accept "
1172                                                         "BIO_nwrite0() bytes");
1173                                                 goto err;
1174                                                 }
1175                                         
1176                                         if (debug)
1177                                                 printf((io2 == client_io) ?
1178                                                         "C->S relaying: %d bytes\n" :
1179                                                         "S->C relaying: %d bytes\n",
1180                                                         (int)num);
1181                                         }
1182                         } /* no loop, BIO_ctrl_get_read_request now returns 0 anyway */
1183
1184                         if (!progress && !prev_progress)
1185                                 if (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0)
1186                                         {
1187                                         fprintf(stderr, "ERROR: got stuck\n");
1188                                         if (strcmp("SSLv2", SSL_get_version(c_ssl)) == 0)
1189                                                 {
1190                                                 fprintf(stderr, "This can happen for SSL2 because "
1191                                                         "CLIENT-FINISHED and SERVER-VERIFY are written \n"
1192                                                         "concurrently ...");
1193                                                 if (strncmp("2SCF", SSL_state_string(c_ssl), 4) == 0
1194                                                         && strncmp("2SSV", SSL_state_string(s_ssl), 4) == 0)
1195                                                         {
1196                                                         fprintf(stderr, " ok.\n");
1197                                                         goto end;
1198                                                         }
1199                                                 }
1200                                         fprintf(stderr, " ERROR.\n");
1201                                         goto err;
1202                                         }
1203                         prev_progress = progress;
1204                         }
1205                 }
1206         while (cw_num > 0 || cr_num > 0 || sw_num > 0 || sr_num > 0);
1207
1208         if (verbose)
1209                 print_details(c_ssl, "DONE via BIO pair: ");
1210 end:
1211         ret = 0;
1212
1213  err:
1214         ERR_print_errors(bio_err);
1215         
1216         if (server)
1217                 BIO_free(server);
1218         if (server_io)
1219                 BIO_free(server_io);
1220         if (client)
1221                 BIO_free(client);
1222         if (client_io)
1223                 BIO_free(client_io);
1224         if (s_ssl_bio)
1225                 BIO_free(s_ssl_bio);
1226         if (c_ssl_bio)
1227                 BIO_free(c_ssl_bio);
1228
1229         return ret;
1230         }
1231
1232
1233 #define W_READ  1
1234 #define W_WRITE 2
1235 #define C_DONE  1
1236 #define S_DONE  2
1237
1238 int doit(SSL *s_ssl, SSL *c_ssl, long count)
1239         {
1240         MS_STATIC char cbuf[1024*8],sbuf[1024*8];
1241         long cw_num=count,cr_num=count;
1242         long sw_num=count,sr_num=count;
1243         int ret=1;
1244         BIO *c_to_s=NULL;
1245         BIO *s_to_c=NULL;
1246         BIO *c_bio=NULL;
1247         BIO *s_bio=NULL;
1248         int c_r,c_w,s_r,s_w;
1249         int c_want,s_want;
1250         int i,j;
1251         int done=0;
1252         int c_write,s_write;
1253         int do_server=0,do_client=0;
1254
1255         memset(cbuf,0,sizeof(cbuf));
1256         memset(sbuf,0,sizeof(sbuf));
1257
1258         c_to_s=BIO_new(BIO_s_mem());
1259         s_to_c=BIO_new(BIO_s_mem());
1260         if ((s_to_c == NULL) || (c_to_s == NULL))
1261                 {
1262                 ERR_print_errors(bio_err);
1263                 goto err;
1264                 }
1265
1266         c_bio=BIO_new(BIO_f_ssl());
1267         s_bio=BIO_new(BIO_f_ssl());
1268         if ((c_bio == NULL) || (s_bio == NULL))
1269                 {
1270                 ERR_print_errors(bio_err);
1271                 goto err;
1272                 }
1273
1274         SSL_set_connect_state(c_ssl);
1275         SSL_set_bio(c_ssl,s_to_c,c_to_s);
1276         BIO_set_ssl(c_bio,c_ssl,BIO_NOCLOSE);
1277
1278         SSL_set_accept_state(s_ssl);
1279         SSL_set_bio(s_ssl,c_to_s,s_to_c);
1280         BIO_set_ssl(s_bio,s_ssl,BIO_NOCLOSE);
1281
1282         c_r=0; s_r=1;
1283         c_w=1; s_w=0;
1284         c_want=W_WRITE;
1285         s_want=0;
1286         c_write=1,s_write=0;
1287
1288         /* We can always do writes */
1289         for (;;)
1290                 {
1291                 do_server=0;
1292                 do_client=0;
1293
1294                 i=(int)BIO_pending(s_bio);
1295                 if ((i && s_r) || s_w) do_server=1;
1296
1297                 i=(int)BIO_pending(c_bio);
1298                 if ((i && c_r) || c_w) do_client=1;
1299
1300                 if (do_server && debug)
1301                         {
1302                         if (SSL_in_init(s_ssl))
1303                                 printf("server waiting in SSL_accept - %s\n",
1304                                         SSL_state_string_long(s_ssl));
1305 /*                      else if (s_write)
1306                                 printf("server:SSL_write()\n");
1307                         else
1308                                 printf("server:SSL_read()\n"); */
1309                         }
1310
1311                 if (do_client && debug)
1312                         {
1313                         if (SSL_in_init(c_ssl))
1314                                 printf("client waiting in SSL_connect - %s\n",
1315                                         SSL_state_string_long(c_ssl));
1316 /*                      else if (c_write)
1317                                 printf("client:SSL_write()\n");
1318                         else
1319                                 printf("client:SSL_read()\n"); */
1320                         }
1321
1322                 if (!do_client && !do_server)
1323                         {
1324                         fprintf(stdout,"ERROR IN STARTUP\n");
1325                         ERR_print_errors(bio_err);
1326                         break;
1327                         }
1328                 if (do_client && !(done & C_DONE))
1329                         {
1330                         if (c_write)
1331                                 {
1332                                 j=(cw_num > (long)sizeof(cbuf))
1333                                         ?sizeof(cbuf):(int)cw_num;
1334                                 i=BIO_write(c_bio,cbuf,j);
1335                                 if (i < 0)
1336                                         {
1337                                         c_r=0;
1338                                         c_w=0;
1339                                         if (BIO_should_retry(c_bio))
1340                                                 {
1341                                                 if (BIO_should_read(c_bio))
1342                                                         c_r=1;
1343                                                 if (BIO_should_write(c_bio))
1344                                                         c_w=1;
1345                                                 }
1346                                         else
1347                                                 {
1348                                                 fprintf(stderr,"ERROR in CLIENT\n");
1349                                                 ERR_print_errors(bio_err);
1350                                                 goto err;
1351                                                 }
1352                                         }
1353                                 else if (i == 0)
1354                                         {
1355                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1356                                         goto err;
1357                                         }
1358                                 else
1359                                         {
1360                                         if (debug)
1361                                                 printf("client wrote %d\n",i);
1362                                         /* ok */
1363                                         s_r=1;
1364                                         c_write=0;
1365                                         cw_num-=i;
1366                                         }
1367                                 }
1368                         else
1369                                 {
1370                                 i=BIO_read(c_bio,cbuf,sizeof(cbuf));
1371                                 if (i < 0)
1372                                         {
1373                                         c_r=0;
1374                                         c_w=0;
1375                                         if (BIO_should_retry(c_bio))
1376                                                 {
1377                                                 if (BIO_should_read(c_bio))
1378                                                         c_r=1;
1379                                                 if (BIO_should_write(c_bio))
1380                                                         c_w=1;
1381                                                 }
1382                                         else
1383                                                 {
1384                                                 fprintf(stderr,"ERROR in CLIENT\n");
1385                                                 ERR_print_errors(bio_err);
1386                                                 goto err;
1387                                                 }
1388                                         }
1389                                 else if (i == 0)
1390                                         {
1391                                         fprintf(stderr,"SSL CLIENT STARTUP FAILED\n");
1392                                         goto err;
1393                                         }
1394                                 else
1395                                         {
1396                                         if (debug)
1397                                                 printf("client read %d\n",i);
1398                                         cr_num-=i;
1399                                         if (sw_num > 0)
1400                                                 {
1401                                                 s_write=1;
1402                                                 s_w=1;
1403                                                 }
1404                                         if (cr_num <= 0)
1405                                                 {
1406                                                 s_write=1;
1407                                                 s_w=1;
1408                                                 done=S_DONE|C_DONE;
1409                                                 }
1410                                         }
1411                                 }
1412                         }
1413
1414                 if (do_server && !(done & S_DONE))
1415                         {
1416                         if (!s_write)
1417                                 {
1418                                 i=BIO_read(s_bio,sbuf,sizeof(cbuf));
1419                                 if (i < 0)
1420                                         {
1421                                         s_r=0;
1422                                         s_w=0;
1423                                         if (BIO_should_retry(s_bio))
1424                                                 {
1425                                                 if (BIO_should_read(s_bio))
1426                                                         s_r=1;
1427                                                 if (BIO_should_write(s_bio))
1428                                                         s_w=1;
1429                                                 }
1430                                         else
1431                                                 {
1432                                                 fprintf(stderr,"ERROR in SERVER\n");
1433                                                 ERR_print_errors(bio_err);
1434                                                 goto err;
1435                                                 }
1436                                         }
1437                                 else if (i == 0)
1438                                         {
1439                                         ERR_print_errors(bio_err);
1440                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_read\n");
1441                                         goto err;
1442                                         }
1443                                 else
1444                                         {
1445                                         if (debug)
1446                                                 printf("server read %d\n",i);
1447                                         sr_num-=i;
1448                                         if (cw_num > 0)
1449                                                 {
1450                                                 c_write=1;
1451                                                 c_w=1;
1452                                                 }
1453                                         if (sr_num <= 0)
1454                                                 {
1455                                                 s_write=1;
1456                                                 s_w=1;
1457                                                 c_write=0;
1458                                                 }
1459                                         }
1460                                 }
1461                         else
1462                                 {
1463                                 j=(sw_num > (long)sizeof(sbuf))?
1464                                         sizeof(sbuf):(int)sw_num;
1465                                 i=BIO_write(s_bio,sbuf,j);
1466                                 if (i < 0)
1467                                         {
1468                                         s_r=0;
1469                                         s_w=0;
1470                                         if (BIO_should_retry(s_bio))
1471                                                 {
1472                                                 if (BIO_should_read(s_bio))
1473                                                         s_r=1;
1474                                                 if (BIO_should_write(s_bio))
1475                                                         s_w=1;
1476                                                 }
1477                                         else
1478                                                 {
1479                                                 fprintf(stderr,"ERROR in SERVER\n");
1480                                                 ERR_print_errors(bio_err);
1481                                                 goto err;
1482                                                 }
1483                                         }
1484                                 else if (i == 0)
1485                                         {
1486                                         ERR_print_errors(bio_err);
1487                                         fprintf(stderr,"SSL SERVER STARTUP FAILED in SSL_write\n");
1488                                         goto err;
1489                                         }
1490                                 else
1491                                         {
1492                                         if (debug)
1493                                                 printf("server wrote %d\n",i);
1494                                         sw_num-=i;
1495                                         s_write=0;
1496                                         c_r=1;
1497                                         if (sw_num <= 0)
1498                                                 done|=S_DONE;
1499                                         }
1500                                 }
1501                         }
1502
1503                 if ((done & S_DONE) && (done & C_DONE)) break;
1504                 }
1505
1506         if (verbose)
1507                 print_details(c_ssl, "DONE: ");
1508         ret=0;
1509 err:
1510         /* We have to set the BIO's to NULL otherwise they will be
1511          * OPENSSL_free()ed twice.  Once when th s_ssl is SSL_free()ed and
1512          * again when c_ssl is SSL_free()ed.
1513          * This is a hack required because s_ssl and c_ssl are sharing the same
1514          * BIO structure and SSL_set_bio() and SSL_free() automatically
1515          * BIO_free non NULL entries.
1516          * You should not normally do this or be required to do this */
1517         if (s_ssl != NULL)
1518                 {
1519                 s_ssl->rbio=NULL;
1520                 s_ssl->wbio=NULL;
1521                 }
1522         if (c_ssl != NULL)
1523                 {
1524                 c_ssl->rbio=NULL;
1525                 c_ssl->wbio=NULL;
1526                 }
1527
1528         if (c_to_s != NULL) BIO_free(c_to_s);
1529         if (s_to_c != NULL) BIO_free(s_to_c);
1530         if (c_bio != NULL) BIO_free_all(c_bio);
1531         if (s_bio != NULL) BIO_free_all(s_bio);
1532         return(ret);
1533         }
1534
1535 static int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx)
1536         {
1537         char *s,buf[256];
1538
1539         s=X509_NAME_oneline(X509_get_subject_name(ctx->current_cert),buf,
1540                             sizeof buf);
1541         if (s != NULL)
1542                 {
1543                 if (ok)
1544                         fprintf(stderr,"depth=%d %s\n",ctx->error_depth,buf);
1545                 else
1546                         fprintf(stderr,"depth=%d error=%d %s\n",
1547                                 ctx->error_depth,ctx->error,buf);
1548                 }
1549
1550         if (ok == 0)
1551                 {
1552                 switch (ctx->error)
1553                         {
1554                 case X509_V_ERR_CERT_NOT_YET_VALID:
1555                 case X509_V_ERR_CERT_HAS_EXPIRED:
1556                 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
1557                         ok=1;
1558                         }
1559                 }
1560
1561         return(ok);
1562         }
1563
1564 static int MS_CALLBACK app_verify_callback(X509_STORE_CTX *ctx, void *arg)
1565         {
1566         char *s = NULL,buf[256];
1567         int ok=1;
1568
1569         fprintf(stderr, "In app_verify_callback, allowing cert. ");
1570         fprintf(stderr, "Arg is: %s\n", (char *)arg);
1571         fprintf(stderr, "Finished printing do we have a context? 0x%x a cert? 0x%x\n",
1572                         (unsigned int)ctx, (unsigned int)ctx->cert);
1573         if (ctx->cert)
1574                 s=X509_NAME_oneline(X509_get_subject_name(ctx->cert),buf,256);
1575         if (s != NULL)
1576                 {
1577                         fprintf(stderr,"cert depth=%d %s\n",ctx->error_depth,buf);
1578                 }
1579
1580         return(ok);
1581         }
1582
1583 #ifndef OPENSSL_NO_RSA
1584 static RSA *rsa_tmp=NULL;
1585
1586 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1587         {
1588         if (rsa_tmp == NULL)
1589                 {
1590                 rsa_tmp = RSA_new();
1591                 if(!rsa_tmp)
1592                         {
1593                         BIO_printf(bio_err, "Memory error...");
1594                         goto end;
1595                         }
1596                 BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1597                 (void)BIO_flush(bio_err);
1598                 if(!RSA_generate_key_ex(rsa_tmp,keylength,RSA_F4,NULL))
1599                         {
1600                         BIO_printf(bio_err, "Error generating key.", keylength);
1601                         RSA_free(rsa_tmp);
1602                         rsa_tmp = NULL;
1603                         }
1604 end:
1605                 BIO_printf(bio_err,"\n");
1606                 (void)BIO_flush(bio_err);
1607                 }
1608         return(rsa_tmp);
1609         }
1610
1611 static void free_tmp_rsa(void)
1612         {
1613         if (rsa_tmp != NULL)
1614                 {
1615                 RSA_free(rsa_tmp);
1616                 rsa_tmp = NULL;
1617                 }
1618         }
1619 #endif
1620
1621 #ifndef OPENSSL_NO_DH
1622 /* These DH parameters have been generated as follows:
1623  *    $ openssl dhparam -C -noout 512
1624  *    $ openssl dhparam -C -noout 1024
1625  *    $ openssl dhparam -C -noout -dsaparam 1024
1626  * (The third function has been renamed to avoid name conflicts.)
1627  */
1628 static DH *get_dh512()
1629         {
1630         static unsigned char dh512_p[]={
1631                 0xCB,0xC8,0xE1,0x86,0xD0,0x1F,0x94,0x17,0xA6,0x99,0xF0,0xC6,
1632                 0x1F,0x0D,0xAC,0xB6,0x25,0x3E,0x06,0x39,0xCA,0x72,0x04,0xB0,
1633                 0x6E,0xDA,0xC0,0x61,0xE6,0x7A,0x77,0x25,0xE8,0x3B,0xB9,0x5F,
1634                 0x9A,0xB6,0xB5,0xFE,0x99,0x0B,0xA1,0x93,0x4E,0x35,0x33,0xB8,
1635                 0xE1,0xF1,0x13,0x4F,0x59,0x1A,0xD2,0x57,0xC0,0x26,0x21,0x33,
1636                 0x02,0xC5,0xAE,0x23,
1637                 };
1638         static unsigned char dh512_g[]={
1639                 0x02,
1640                 };
1641         DH *dh;
1642
1643         if ((dh=DH_new()) == NULL) return(NULL);
1644         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
1645         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
1646         if ((dh->p == NULL) || (dh->g == NULL))
1647                 { DH_free(dh); return(NULL); }
1648         return(dh);
1649         }
1650
1651 static DH *get_dh1024()
1652         {
1653         static unsigned char dh1024_p[]={
1654                 0xF8,0x81,0x89,0x7D,0x14,0x24,0xC5,0xD1,0xE6,0xF7,0xBF,0x3A,
1655                 0xE4,0x90,0xF4,0xFC,0x73,0xFB,0x34,0xB5,0xFA,0x4C,0x56,0xA2,
1656                 0xEA,0xA7,0xE9,0xC0,0xC0,0xCE,0x89,0xE1,0xFA,0x63,0x3F,0xB0,
1657                 0x6B,0x32,0x66,0xF1,0xD1,0x7B,0xB0,0x00,0x8F,0xCA,0x87,0xC2,
1658                 0xAE,0x98,0x89,0x26,0x17,0xC2,0x05,0xD2,0xEC,0x08,0xD0,0x8C,
1659                 0xFF,0x17,0x52,0x8C,0xC5,0x07,0x93,0x03,0xB1,0xF6,0x2F,0xB8,
1660                 0x1C,0x52,0x47,0x27,0x1B,0xDB,0xD1,0x8D,0x9D,0x69,0x1D,0x52,
1661                 0x4B,0x32,0x81,0xAA,0x7F,0x00,0xC8,0xDC,0xE6,0xD9,0xCC,0xC1,
1662                 0x11,0x2D,0x37,0x34,0x6C,0xEA,0x02,0x97,0x4B,0x0E,0xBB,0xB1,
1663                 0x71,0x33,0x09,0x15,0xFD,0xDD,0x23,0x87,0x07,0x5E,0x89,0xAB,
1664                 0x6B,0x7C,0x5F,0xEC,0xA6,0x24,0xDC,0x53,
1665                 };
1666         static unsigned char dh1024_g[]={
1667                 0x02,
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         return(dh);
1677         }
1678
1679 static DH *get_dh1024dsa()
1680         {
1681         static unsigned char dh1024_p[]={
1682                 0xC8,0x00,0xF7,0x08,0x07,0x89,0x4D,0x90,0x53,0xF3,0xD5,0x00,
1683                 0x21,0x1B,0xF7,0x31,0xA6,0xA2,0xDA,0x23,0x9A,0xC7,0x87,0x19,
1684                 0x3B,0x47,0xB6,0x8C,0x04,0x6F,0xFF,0xC6,0x9B,0xB8,0x65,0xD2,
1685                 0xC2,0x5F,0x31,0x83,0x4A,0xA7,0x5F,0x2F,0x88,0x38,0xB6,0x55,
1686                 0xCF,0xD9,0x87,0x6D,0x6F,0x9F,0xDA,0xAC,0xA6,0x48,0xAF,0xFC,
1687                 0x33,0x84,0x37,0x5B,0x82,0x4A,0x31,0x5D,0xE7,0xBD,0x52,0x97,
1688                 0xA1,0x77,0xBF,0x10,0x9E,0x37,0xEA,0x64,0xFA,0xCA,0x28,0x8D,
1689                 0x9D,0x3B,0xD2,0x6E,0x09,0x5C,0x68,0xC7,0x45,0x90,0xFD,0xBB,
1690                 0x70,0xC9,0x3A,0xBB,0xDF,0xD4,0x21,0x0F,0xC4,0x6A,0x3C,0xF6,
1691                 0x61,0xCF,0x3F,0xD6,0x13,0xF1,0x5F,0xBC,0xCF,0xBC,0x26,0x9E,
1692                 0xBC,0x0B,0xBD,0xAB,0x5D,0xC9,0x54,0x39,
1693                 };
1694         static unsigned char dh1024_g[]={
1695                 0x3B,0x40,0x86,0xE7,0xF3,0x6C,0xDE,0x67,0x1C,0xCC,0x80,0x05,
1696                 0x5A,0xDF,0xFE,0xBD,0x20,0x27,0x74,0x6C,0x24,0xC9,0x03,0xF3,
1697                 0xE1,0x8D,0xC3,0x7D,0x98,0x27,0x40,0x08,0xB8,0x8C,0x6A,0xE9,
1698                 0xBB,0x1A,0x3A,0xD6,0x86,0x83,0x5E,0x72,0x41,0xCE,0x85,0x3C,
1699                 0xD2,0xB3,0xFC,0x13,0xCE,0x37,0x81,0x9E,0x4C,0x1C,0x7B,0x65,
1700                 0xD3,0xE6,0xA6,0x00,0xF5,0x5A,0x95,0x43,0x5E,0x81,0xCF,0x60,
1701                 0xA2,0x23,0xFC,0x36,0xA7,0x5D,0x7A,0x4C,0x06,0x91,0x6E,0xF6,
1702                 0x57,0xEE,0x36,0xCB,0x06,0xEA,0xF5,0x3D,0x95,0x49,0xCB,0xA7,
1703                 0xDD,0x81,0xDF,0x80,0x09,0x4A,0x97,0x4D,0xA8,0x22,0x72,0xA1,
1704                 0x7F,0xC4,0x70,0x56,0x70,0xE8,0x20,0x10,0x18,0x8F,0x2E,0x60,
1705                 0x07,0xE7,0x68,0x1A,0x82,0x5D,0x32,0xA2,
1706                 };
1707         DH *dh;
1708
1709         if ((dh=DH_new()) == NULL) return(NULL);
1710         dh->p=BN_bin2bn(dh1024_p,sizeof(dh1024_p),NULL);
1711         dh->g=BN_bin2bn(dh1024_g,sizeof(dh1024_g),NULL);
1712         if ((dh->p == NULL) || (dh->g == NULL))
1713                 { DH_free(dh); return(NULL); }
1714         dh->length = 160;
1715         return(dh);
1716         }
1717 #endif