1 /* crypto/crypto.h */
2 /* ====================================================================
3  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in
14  *    the documentation and/or other materials provided with the
15  *    distribution.
16  *
17  * 3. All advertising materials mentioning features or use of this
18  *    software must display the following acknowledgment:
19  *    "This product includes software developed by the OpenSSL Project
20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21  *
22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23  *    endorse or promote products derived from this software without
24  *    prior written permission. For written permission, please contact
25  *    openssl-core@openssl.org.
26  *
27  * 5. Products derived from this software may not be called "OpenSSL"
28  *    nor may "OpenSSL" appear in their names without prior written
29  *    permission of the OpenSSL Project.
30  *
31  * 6. Redistributions of any form whatsoever must retain the following
32  *    acknowledgment:
33  *    "This product includes software developed by the OpenSSL Project
34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35  *
36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47  * OF THE POSSIBILITY OF SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This product includes cryptographic software written by Eric Young
51  * (eay@cryptsoft.com).  This product includes software written by Tim
52  * Hudson (tjh@cryptsoft.com).
53  *
54  */
55 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
56  * All rights reserved.
57  *
58  * This package is an SSL implementation written
59  * by Eric Young (eay@cryptsoft.com).
60  * The implementation was written so as to conform with Netscapes SSL.
61  *
62  * This library is free for commercial and non-commercial use as long as
63  * the following conditions are aheared to.  The following conditions
64  * apply to all code found in this distribution, be it the RC4, RSA,
65  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
66  * included with this distribution is covered by the same copyright terms
67  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
68  *
69  * Copyright remains Eric Young's, and as such any Copyright notices in
70  * the code are not to be removed.
71  * If this package is used in a product, Eric Young should be given attribution
72  * as the author of the parts of the library used.
73  * This can be in the form of a textual message at program startup or
74  * in documentation (online or textual) provided with the package.
75  *
76  * Redistribution and use in source and binary forms, with or without
77  * modification, are permitted provided that the following conditions
78  * are met:
79  * 1. Redistributions of source code must retain the copyright
80  *    notice, this list of conditions and the following disclaimer.
81  * 2. Redistributions in binary form must reproduce the above copyright
82  *    notice, this list of conditions and the following disclaimer in the
83  *    documentation and/or other materials provided with the distribution.
84  * 3. All advertising materials mentioning features or use of this software
85  *    must display the following acknowledgement:
86  *    "This product includes cryptographic software written by
87  *     Eric Young (eay@cryptsoft.com)"
88  *    The word 'cryptographic' can be left out if the rouines from the library
89  *    being used are not cryptographic related :-).
90  * 4. If you include any Windows specific code (or a derivative thereof) from
91  *    the apps directory (application code) you must include an acknowledgement:
92  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
93  *
94  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
95  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
96  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
97  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
98  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
99  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
100  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
101  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
102  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
103  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
104  * SUCH DAMAGE.
105  *
106  * The licence and distribution terms for any publically available version or
107  * derivative of this code cannot be changed.  i.e. this code cannot simply be
108  * copied and put under another distribution licence
109  * [including the GNU Public Licence.]
110  */
111 /* ====================================================================
112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113  * ECDH support in OpenSSL originally developed by
114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115  */
116 
117 #ifndef HEADER_CRYPTO_H
118 # define HEADER_CRYPTO_H
119 
120 # include <stdlib.h>
121 
122 # include <openssl/e_os2.h>
123 
124 # ifndef OPENSSL_NO_FP_API
125 #  include <stdio.h>
126 # endif
127 
128 # include <openssl/stack.h>
129 # include <openssl/safestack.h>
130 # include <openssl/opensslv.h>
131 # include <openssl/ossl_typ.h>
132 
133 # ifdef CHARSET_EBCDIC
134 #  include <openssl/ebcdic.h>
135 # endif
136 
137 /*
138  * Resolve problems on some operating systems with symbol names that clash
139  * one way or another
140  */
141 # include <openssl/symhacks.h>
142 
143 #ifdef  __cplusplus
144 extern "C" {
145 #endif
146 
147 /* Backward compatibility to SSLeay */
148 /*
149  * This is more to be used to check the correct DLL is being used in the MS
150  * world.
151  */
152 # define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
153 # define SSLEAY_VERSION          0
154 /* #define SSLEAY_OPTIONS       1 no longer supported */
155 # define SSLEAY_CFLAGS           2
156 # define SSLEAY_BUILT_ON         3
157 # define SSLEAY_PLATFORM         4
158 # define SSLEAY_DIR              5
159 
160 /* Already declared in ossl_typ.h */
161 # if 0
162 typedef struct crypto_ex_data_st CRYPTO_EX_DATA;
163 /* Called when a new object is created */
164 typedef int CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
165                            int idx, long argl, void *argp);
166 /* Called when an object is free()ed */
167 typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
168                              int idx, long argl, void *argp);
169 /* Called when we need to dup an object */
170 typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
171                            void *from_d, int idx, long argl, void *argp);
172 # endif
173 
174 /* A generic structure to pass assorted data in a expandable way */
175 typedef struct openssl_item_st {
176     int code;
177     void *value;                /* Not used for flag attributes */
178     size_t value_size;          /* Max size of value for output, length for
179                                  * input */
180     size_t *value_length;       /* Returned length of value for output */
181 } OPENSSL_ITEM;
182 
183 /*
184  * When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock
185  * names in cryptlib.c
186  */
187 
188 # define CRYPTO_LOCK_ERR                 1
189 # define CRYPTO_LOCK_EX_DATA             2
190 # define CRYPTO_LOCK_X509                3
191 # define CRYPTO_LOCK_X509_INFO           4
192 # define CRYPTO_LOCK_X509_PKEY           5
193 # define CRYPTO_LOCK_X509_CRL            6
194 # define CRYPTO_LOCK_X509_REQ            7
195 # define CRYPTO_LOCK_DSA                 8
196 # define CRYPTO_LOCK_RSA                 9
197 # define CRYPTO_LOCK_EVP_PKEY            10
198 # define CRYPTO_LOCK_X509_STORE          11
199 # define CRYPTO_LOCK_SSL_CTX             12
200 # define CRYPTO_LOCK_SSL_CERT            13
201 # define CRYPTO_LOCK_SSL_SESSION         14
202 # define CRYPTO_LOCK_SSL_SESS_CERT       15
203 # define CRYPTO_LOCK_SSL                 16
204 # define CRYPTO_LOCK_SSL_METHOD          17
205 # define CRYPTO_LOCK_RAND                18
206 # define CRYPTO_LOCK_RAND2               19
207 # define CRYPTO_LOCK_MALLOC              20
208 # define CRYPTO_LOCK_BIO                 21
209 # define CRYPTO_LOCK_GETHOSTBYNAME       22
210 # define CRYPTO_LOCK_GETSERVBYNAME       23
211 # define CRYPTO_LOCK_READDIR             24
212 # define CRYPTO_LOCK_RSA_BLINDING        25
213 # define CRYPTO_LOCK_DH                  26
214 # define CRYPTO_LOCK_MALLOC2             27
215 # define CRYPTO_LOCK_DSO                 28
216 # define CRYPTO_LOCK_DYNLOCK             29
217 # define CRYPTO_LOCK_ENGINE              30
218 # define CRYPTO_LOCK_UI                  31
219 # define CRYPTO_LOCK_ECDSA               32
220 # define CRYPTO_LOCK_EC                  33
221 # define CRYPTO_LOCK_ECDH                34
222 # define CRYPTO_LOCK_BN                  35
223 # define CRYPTO_LOCK_EC_PRE_COMP         36
224 # define CRYPTO_LOCK_STORE               37
225 # define CRYPTO_LOCK_COMP                38
226 # define CRYPTO_LOCK_FIPS                39
227 # define CRYPTO_LOCK_FIPS2               40
228 # define CRYPTO_NUM_LOCKS                41
229 
230 # define CRYPTO_LOCK             1
231 # define CRYPTO_UNLOCK           2
232 # define CRYPTO_READ             4
233 # define CRYPTO_WRITE            8
234 
235 # ifndef OPENSSL_NO_LOCKING
236 #  ifndef CRYPTO_w_lock
237 #   define CRYPTO_w_lock(type)     \
238         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
239 #   define CRYPTO_w_unlock(type)   \
240         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
241 #   define CRYPTO_r_lock(type)     \
242         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
243 #   define CRYPTO_r_unlock(type)   \
244         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
245 #   define CRYPTO_add(addr,amount,type)    \
246         CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
247 #  endif
248 # else
249 #  define CRYPTO_w_lock(a)
250 #  define CRYPTO_w_unlock(a)
251 #  define CRYPTO_r_lock(a)
252 #  define CRYPTO_r_unlock(a)
253 #  define CRYPTO_add(a,b,c)       ((*(a))+=(b))
254 # endif
255 
256 /*
257  * Some applications as well as some parts of OpenSSL need to allocate and
258  * deallocate locks in a dynamic fashion.  The following typedef makes this
259  * possible in a type-safe manner.
260  */
261 /* struct CRYPTO_dynlock_value has to be defined by the application. */
262 typedef struct {
263     int references;
264     struct CRYPTO_dynlock_value *data;
265 } CRYPTO_dynlock;
266 
267 /*
268  * The following can be used to detect memory leaks in the SSLeay library. It
269  * used, it turns on malloc checking
270  */
271 
272 # define CRYPTO_MEM_CHECK_OFF    0x0/* an enume */
273 # define CRYPTO_MEM_CHECK_ON     0x1/* a bit */
274 # define CRYPTO_MEM_CHECK_ENABLE 0x2/* a bit */
275 # define CRYPTO_MEM_CHECK_DISABLE 0x3/* an enume */
276 
277 /*
278  * The following are bit values to turn on or off options connected to the
279  * malloc checking functionality
280  */
281 
282 /* Adds time to the memory checking information */
283 # define V_CRYPTO_MDEBUG_TIME    0x1/* a bit */
284 /* Adds thread number to the memory checking information */
285 # define V_CRYPTO_MDEBUG_THREAD  0x2/* a bit */
286 
287 # define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
288 
289 /* predec of the BIO type */
290 typedef struct bio_st BIO_dummy;
291 
292 struct crypto_ex_data_st {
293     STACK_OF(void) *sk;
294     /* gcc is screwing up this data structure :-( */
295     int dummy;
296 };
297 DECLARE_STACK_OF(void)
298 
299 /*
300  * This stuff is basically class callback functions The current classes are
301  * SSL_CTX, SSL, SSL_SESSION, and a few more
302  */
303 
304 typedef struct crypto_ex_data_func_st {
305     long argl;                  /* Arbitary long */
306     void *argp;                 /* Arbitary void * */
307     CRYPTO_EX_new *new_func;
308     CRYPTO_EX_free *free_func;
309     CRYPTO_EX_dup *dup_func;
310 } CRYPTO_EX_DATA_FUNCS;
311 
312 DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)
313 
314 /*
315  * Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA
316  * entry.
317  */
318 
319 # define CRYPTO_EX_INDEX_BIO             0
320 # define CRYPTO_EX_INDEX_SSL             1
321 # define CRYPTO_EX_INDEX_SSL_CTX         2
322 # define CRYPTO_EX_INDEX_SSL_SESSION     3
323 # define CRYPTO_EX_INDEX_X509_STORE      4
324 # define CRYPTO_EX_INDEX_X509_STORE_CTX  5
325 # define CRYPTO_EX_INDEX_RSA             6
326 # define CRYPTO_EX_INDEX_DSA             7
327 # define CRYPTO_EX_INDEX_DH              8
328 # define CRYPTO_EX_INDEX_ENGINE          9
329 # define CRYPTO_EX_INDEX_X509            10
330 # define CRYPTO_EX_INDEX_UI              11
331 # define CRYPTO_EX_INDEX_ECDSA           12
332 # define CRYPTO_EX_INDEX_ECDH            13
333 # define CRYPTO_EX_INDEX_COMP            14
334 # define CRYPTO_EX_INDEX_STORE           15
335 
336 /*
337  * Dynamically assigned indexes start from this value (don't use directly,
338  * use via CRYPTO_ex_data_new_class).
339  */
340 # define CRYPTO_EX_INDEX_USER            100
341 
342 /*
343  * This is the default callbacks, but we can have others as well: this is
344  * needed in Win32 where the application malloc and the library malloc may
345  * not be the same.
346  */
347 # define CRYPTO_malloc_init()    CRYPTO_set_mem_functions(\
348         malloc, realloc, free)
349 
350 # if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
351 #  ifndef CRYPTO_MDEBUG         /* avoid duplicate #define */
352 #   define CRYPTO_MDEBUG
353 #  endif
354 # endif
355 
356 /*
357  * Set standard debugging functions (not done by default unless CRYPTO_MDEBUG
358  * is defined)
359  */
360 # define CRYPTO_malloc_debug_init()      do {\
361         CRYPTO_set_mem_debug_functions(\
362                 CRYPTO_dbg_malloc,\
363                 CRYPTO_dbg_realloc,\
364                 CRYPTO_dbg_free,\
365                 CRYPTO_dbg_set_options,\
366                 CRYPTO_dbg_get_options);\
367         } while(0)
368 
369 int CRYPTO_mem_ctrl(int mode);
370 int CRYPTO_is_mem_check_on(void);
371 
372 /* for applications */
373 # define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
374 # define MemCheck_stop() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)
375 
376 /* for library-internal use */
377 # define MemCheck_on()   CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE)
378 # define MemCheck_off()  CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE)
379 # define is_MemCheck_on() CRYPTO_is_mem_check_on()
380 
381 # define OPENSSL_malloc(num)     CRYPTO_malloc((int)num,__FILE__,__LINE__)
382 # define OPENSSL_strdup(str)     CRYPTO_strdup((str),__FILE__,__LINE__)
383 # define OPENSSL_realloc(addr,num) \
384         CRYPTO_realloc((char *)addr,(int)num,__FILE__,__LINE__)
385 # define OPENSSL_realloc_clean(addr,old_num,num) \
386         CRYPTO_realloc_clean(addr,old_num,num,__FILE__,__LINE__)
387 # define OPENSSL_remalloc(addr,num) \
388         CRYPTO_remalloc((char **)addr,(int)num,__FILE__,__LINE__)
389 # define OPENSSL_freeFunc        CRYPTO_free
390 # define OPENSSL_free(addr)      CRYPTO_free(addr)
391 
392 # define OPENSSL_malloc_locked(num) \
393         CRYPTO_malloc_locked((int)num,__FILE__,__LINE__)
394 # define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)
395 
396 const char *SSLeay_version(int type);
397 unsigned long SSLeay(void);
398 
399 int OPENSSL_issetugid(void);
400 
401 /* An opaque type representing an implementation of "ex_data" support */
402 typedef struct st_CRYPTO_EX_DATA_IMPL CRYPTO_EX_DATA_IMPL;
403 /* Return an opaque pointer to the current "ex_data" implementation */
404 const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void);
405 /* Sets the "ex_data" implementation to be used (if it's not too late) */
406 int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i);
407 /* Get a new "ex_data" class, and return the corresponding "class_index" */
408 int CRYPTO_ex_data_new_class(void);
409 /* Within a given class, get/register a new index */
410 int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
411                             CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
412                             CRYPTO_EX_free *free_func);
413 /*
414  * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
415  * given class (invokes whatever per-class callbacks are applicable)
416  */
417 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
418 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
419                        CRYPTO_EX_DATA *from);
420 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
421 /*
422  * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
423  * index (relative to the class type involved)
424  */
425 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
426 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
427 /*
428  * This function cleans up all "ex_data" state. It mustn't be called under
429  * potential race-conditions.
430  */
431 void CRYPTO_cleanup_all_ex_data(void);
432 
433 int CRYPTO_get_new_lockid(char *name);
434 
435 int CRYPTO_num_locks(void);     /* return CRYPTO_NUM_LOCKS (shared libs!) */
436 void CRYPTO_lock(int mode, int type, const char *file, int line);
437 void CRYPTO_set_locking_callback(void (*func) (int mode, int type,
438                                                const char *file, int line));
439 void (*CRYPTO_get_locking_callback(void)) (int mode, int type,
440                                            const char *file, int line);
441 void CRYPTO_set_add_lock_callback(int (*func)
442                                    (int *num, int mount, int type,
443                                     const char *file, int line));
444 int (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type,
445                                            const char *file, int line);
446 
447 /* Don't use this structure directly. */
448 typedef struct crypto_threadid_st {
449     void *ptr;
450     unsigned long val;
451 } CRYPTO_THREADID;
452 /* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
453 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
454 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
455 int CRYPTO_THREADID_set_callback(void (*threadid_func) (CRYPTO_THREADID *));
456 void (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID *);
457 void CRYPTO_THREADID_current(CRYPTO_THREADID *id);
458 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b);
459 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src);
460 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
461 # ifndef OPENSSL_NO_DEPRECATED
462 void CRYPTO_set_id_callback(unsigned long (*func) (void));
463 unsigned long (*CRYPTO_get_id_callback(void)) (void);
464 unsigned long CRYPTO_thread_id(void);
465 # endif
466 
467 const char *CRYPTO_get_lock_name(int type);
468 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
469                     int line);
470 
471 int CRYPTO_get_new_dynlockid(void);
472 void CRYPTO_destroy_dynlockid(int i);
473 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
474 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value
475                                         *(*dyn_create_function) (const char
476                                                                  *file,
477                                                                  int line));
478 void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)
479                                        (int mode,
480                                         struct CRYPTO_dynlock_value *l,
481                                         const char *file, int line));
482 void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)
483                                           (struct CRYPTO_dynlock_value *l,
484                                            const char *file, int line));
485 struct CRYPTO_dynlock_value
486 *(*CRYPTO_get_dynlock_create_callback(void)) (const char *file, int line);
487 void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode,
488                                                 struct CRYPTO_dynlock_value
489                                                 *l, const char *file,
490                                                 int line);
491 void (*CRYPTO_get_dynlock_destroy_callback(void)) (struct CRYPTO_dynlock_value
492                                                    *l, const char *file,
493                                                    int line);
494 
495 /*
496  * CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions -- call
497  * the latter last if you need different functions
498  */
499 int CRYPTO_set_mem_functions(void *(*m) (size_t), void *(*r) (void *, size_t),
500                              void (*f) (void *));
501 int CRYPTO_set_locked_mem_functions(void *(*m) (size_t),
502                                     void (*freefunc) (void *));
503 int CRYPTO_set_mem_ex_functions(void *(*m) (size_t, const char *, int),
504                                 void *(*r) (void *, size_t, const char *,
505                                             int), void (*f) (void *));
506 int CRYPTO_set_locked_mem_ex_functions(void *(*m) (size_t, const char *, int),
507                                        void (*freefunc) (void *));
508 int CRYPTO_set_mem_debug_functions(void (*m)
509                                     (void *, int, const char *, int, int),
510                                    void (*r) (void *, void *, int,
511                                               const char *, int, int),
512                                    void (*f) (void *, int), void (*so) (long),
513                                    long (*go) (void));
514 void CRYPTO_get_mem_functions(void *(**m) (size_t),
515                               void *(**r) (void *, size_t),
516                               void (**f) (void *));
517 void CRYPTO_get_locked_mem_functions(void *(**m) (size_t),
518                                      void (**f) (void *));
519 void CRYPTO_get_mem_ex_functions(void *(**m) (size_t, const char *, int),
520                                  void *(**r) (void *, size_t, const char *,
521                                               int), void (**f) (void *));
522 void CRYPTO_get_locked_mem_ex_functions(void
523                                         *(**m) (size_t, const char *, int),
524                                         void (**f) (void *));
525 void CRYPTO_get_mem_debug_functions(void (**m)
526                                      (void *, int, const char *, int, int),
527                                     void (**r) (void *, void *, int,
528                                                 const char *, int, int),
529                                     void (**f) (void *, int),
530                                     void (**so) (long), long (**go) (void));
531 
532 void *CRYPTO_malloc_locked(int num, const char *file, int line);
533 void CRYPTO_free_locked(void *ptr);
534 void *CRYPTO_malloc(int num, const char *file, int line);
535 char *CRYPTO_strdup(const char *str, const char *file, int line);
536 void CRYPTO_free(void *ptr);
537 void *CRYPTO_realloc(void *addr, int num, const char *file, int line);
538 void *CRYPTO_realloc_clean(void *addr, int old_num, int num, const char *file,
539                            int line);
540 void *CRYPTO_remalloc(void *addr, int num, const char *file, int line);
541 
542 void OPENSSL_cleanse(void *ptr, size_t len);
543 
544 void CRYPTO_set_mem_debug_options(long bits);
545 long CRYPTO_get_mem_debug_options(void);
546 
547 # define CRYPTO_push_info(info) \
548         CRYPTO_push_info_(info, __FILE__, __LINE__);
549 int CRYPTO_push_info_(const char *info, const char *file, int line);
550 int CRYPTO_pop_info(void);
551 int CRYPTO_remove_all_info(void);
552 
553 /*
554  * Default debugging functions (enabled by CRYPTO_malloc_debug_init() macro;
555  * used as default in CRYPTO_MDEBUG compilations):
556  */
557 /*-
558  * The last argument has the following significance:
559  *
560  * 0:   called before the actual memory allocation has taken place
561  * 1:   called after the actual memory allocation has taken place
562  */
563 void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line,
564                        int before_p);
565 void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, const char *file,
566                         int line, int before_p);
567 void CRYPTO_dbg_free(void *addr, int before_p);
568 /*-
569  * Tell the debugging code about options.  By default, the following values
570  * apply:
571  *
572  * 0:                           Clear all options.
573  * V_CRYPTO_MDEBUG_TIME (1):    Set the "Show Time" option.
574  * V_CRYPTO_MDEBUG_THREAD (2):  Set the "Show Thread Number" option.
575  * V_CRYPTO_MDEBUG_ALL (3):     1 + 2
576  */
577 void CRYPTO_dbg_set_options(long bits);
578 long CRYPTO_dbg_get_options(void);
579 
580 # ifndef OPENSSL_NO_FP_API
581 void CRYPTO_mem_leaks_fp(FILE *);
582 # endif
583 void CRYPTO_mem_leaks(struct bio_st *bio);
584 /* unsigned long order, char *file, int line, int num_bytes, char *addr */
585 typedef void *CRYPTO_MEM_LEAK_CB (unsigned long, const char *, int, int,
586                                   void *);
587 void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);
588 
589 /* die if we have to */
590 void OpenSSLDie(const char *file, int line, const char *assertion);
591 # define OPENSSL_assert(e)       (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
592 
593 unsigned long *OPENSSL_ia32cap_loc(void);
594 # define OPENSSL_ia32cap (*(OPENSSL_ia32cap_loc()))
595 int OPENSSL_isservice(void);
596 
597 int FIPS_mode(void);
598 int FIPS_mode_set(int r);
599 
600 void OPENSSL_init(void);
601 
602 # define fips_md_init(alg) fips_md_init_ctx(alg, alg)
603 
604 # ifdef OPENSSL_FIPS
605 #  define fips_md_init_ctx(alg, cx) \
606         int alg##_Init(cx##_CTX *c) \
607         { \
608         if (FIPS_mode()) OpenSSLDie(__FILE__, __LINE__, \
609                 "Low level API call to digest " #alg " forbidden in FIPS mode!"); \
610         return private_##alg##_Init(c); \
611         } \
612         int private_##alg##_Init(cx##_CTX *c)
613 
614 #  define fips_cipher_abort(alg) \
615         if (FIPS_mode()) OpenSSLDie(__FILE__, __LINE__, \
616                 "Low level API call to cipher " #alg " forbidden in FIPS mode!")
617 
618 # else
619 #  define fips_md_init_ctx(alg, cx) \
620         int alg##_Init(cx##_CTX *c)
621 #  define fips_cipher_abort(alg) while(0)
622 # endif
623 
624 /*
625  * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
626  * It takes an amount of time dependent on |len|, but independent of the
627  * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
628  * into a defined order as the return value when a != b is undefined, other
629  * than to be non-zero.
630  */
631 int CRYPTO_memcmp(const void *a, const void *b, size_t len);
632 
633 /* BEGIN ERROR CODES */
634 /*
635  * The following lines are auto generated by the script mkerr.pl. Any changes
636  * made after this point may be overwritten when the script is next run.
637  */
638 void ERR_load_CRYPTO_strings(void);
639 
640 /* Error codes for the CRYPTO functions. */
641 
642 /* Function codes. */
643 # define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX                 100
644 # define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID                103
645 # define CRYPTO_F_CRYPTO_GET_NEW_LOCKID                   101
646 # define CRYPTO_F_CRYPTO_SET_EX_DATA                      102
647 # define CRYPTO_F_DEF_ADD_INDEX                           104
648 # define CRYPTO_F_DEF_GET_CLASS                           105
649 # define CRYPTO_F_FIPS_MODE_SET                           109
650 # define CRYPTO_F_INT_DUP_EX_DATA                         106
651 # define CRYPTO_F_INT_FREE_EX_DATA                        107
652 # define CRYPTO_F_INT_NEW_EX_DATA                         108
653 
654 /* Reason codes. */
655 # define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED                 101
656 # define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK              100
657 
658 #ifdef  __cplusplus
659 }
660 #endif
661 #endif
662