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