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1/* crypto/crypto.h */
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#ifndef HEADER_CRYPTO_H
60#define HEADER_CRYPTO_H
61
62#ifdef __cplusplus
63extern "C" {
64#endif
65
66#include <stdlib.h>
67
68#ifndef NO_FP_API
69#include <stdio.h>
70#endif
71
72#include <openssl/stack.h>
73#include <openssl/safestack.h>
74#include <openssl/opensslv.h>
75
76#ifdef CHARSET_EBCDIC
77#include <openssl/ebcdic.h>
78#endif
79
80#if defined(VMS) || defined(__VMS)
81#include "vms_idhacks.h"
82#endif
83
84
85/* Backward compatibility to SSLeay */
86/* This is more to be used to check the correct DLL is being used
87 * in the MS world. */
88#define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
89#define SSLEAY_VERSION 0
90/* #define SSLEAY_OPTIONS 1 no longer supported */
91#define SSLEAY_CFLAGS 2
92#define SSLEAY_BUILT_ON 3
93#define SSLEAY_PLATFORM 4
94
95/* When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock
96 * names in cryptlib.c
97 */
98
99#define CRYPTO_LOCK_ERR 1
100#define CRYPTO_LOCK_ERR_HASH 2
101#define CRYPTO_LOCK_X509 3
102#define CRYPTO_LOCK_X509_INFO 4
103#define CRYPTO_LOCK_X509_PKEY 5
104#define CRYPTO_LOCK_X509_CRL 6
105#define CRYPTO_LOCK_X509_REQ 7
106#define CRYPTO_LOCK_DSA 8
107#define CRYPTO_LOCK_RSA 9
108#define CRYPTO_LOCK_EVP_PKEY 10
109#define CRYPTO_LOCK_X509_STORE 11
110#define CRYPTO_LOCK_SSL_CTX 12
111#define CRYPTO_LOCK_SSL_CERT 13
112#define CRYPTO_LOCK_SSL_SESSION 14
113#define CRYPTO_LOCK_SSL_SESS_CERT 15
114#define CRYPTO_LOCK_SSL 16
115#define CRYPTO_LOCK_RAND 17
116#define CRYPTO_LOCK_MALLOC 18
117#define CRYPTO_LOCK_BIO 19
118#define CRYPTO_LOCK_GETHOSTBYNAME 20
119#define CRYPTO_LOCK_GETSERVBYNAME 21
120#define CRYPTO_LOCK_READDIR 22
121#define CRYPTO_LOCK_RSA_BLINDING 23
122#define CRYPTO_LOCK_DH 24
123#define CRYPTO_LOCK_MALLOC2 25
124#define CRYPTO_NUM_LOCKS 26
125
126#define CRYPTO_LOCK 1
127#define CRYPTO_UNLOCK 2
128#define CRYPTO_READ 4
129#define CRYPTO_WRITE 8
130
131#ifndef NO_LOCKING
132#ifndef CRYPTO_w_lock
133#define CRYPTO_w_lock(type) \
134 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
135#define CRYPTO_w_unlock(type) \
136 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
137#define CRYPTO_r_lock(type) \
138 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
139#define CRYPTO_r_unlock(type) \
140 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
141#define CRYPTO_add(addr,amount,type) \
142 CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
143#endif
144#else
145#define CRYPTO_w_lock(a)
146#define CRYPTO_w_unlock(a)
147#define CRYPTO_r_lock(a)
148#define CRYPTO_r_unlock(a)
149#define CRYPTO_add(a,b,c) ((*(a))+=(b))
150#endif
151
152/* The following can be used to detect memory leaks in the SSLeay library.
153 * It used, it turns on malloc checking */
154
155#define CRYPTO_MEM_CHECK_OFF 0x0 /* an enume */
156#define CRYPTO_MEM_CHECK_ON 0x1 /* a bit */
157#define CRYPTO_MEM_CHECK_ENABLE 0x2 /* a bit */
158#define CRYPTO_MEM_CHECK_DISABLE 0x3 /* an enume */
159
160/* The following are bit values to turn on or off options connected to the
161 * malloc checking functionality */
162
163/* Adds time to the memory checking information */
164#define V_CRYPTO_MDEBUG_TIME 0x1 /* a bit */
165/* Adds thread number to the memory checking information */
166#define V_CRYPTO_MDEBUG_THREAD 0x2 /* a bit */
167
168#define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
169
170
171/* predec of the BIO type */
172typedef struct bio_st BIO_dummy;
173
174typedef struct crypto_ex_data_st
175 {
176 STACK *sk;
177 int dummy; /* gcc is screwing up this data structure :-( */
178 } CRYPTO_EX_DATA;
179
180/* Called when a new object is created */
181typedef int CRYPTO_EX_new(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
182 int idx, long argl, void *argp);
183/* Called when an object is free()ed */
184typedef void CRYPTO_EX_free(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
185 int idx, long argl, void *argp);
186/* Called when we need to dup an object */
187typedef int CRYPTO_EX_dup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d,
188 int idx, long argl, void *argp);
189
190/* This stuff is basically class callback functions
191 * The current classes are SSL_CTX, SSL, SSL_SESSION, and a few more */
192
193typedef struct crypto_ex_data_func_st
194 {
195 long argl; /* Arbitary long */
196 void *argp; /* Arbitary void * */
197 CRYPTO_EX_new *new_func;
198 CRYPTO_EX_free *free_func;
199 CRYPTO_EX_dup *dup_func;
200 } CRYPTO_EX_DATA_FUNCS;
201
202DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)
203
204/* Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA
205 * entry.
206 */
207
208#define CRYPTO_EX_INDEX_BIO 0
209#define CRYPTO_EX_INDEX_SSL 1
210#define CRYPTO_EX_INDEX_SSL_CTX 2
211#define CRYPTO_EX_INDEX_SSL_SESSION 3
212#define CRYPTO_EX_INDEX_X509_STORE 4
213#define CRYPTO_EX_INDEX_X509_STORE_CTX 5
214
215
216/* This is the default callbacks, but we can have others as well:
217 * this is needed in Win32 where the application malloc and the
218 * library malloc may not be the same.
219 */
220#define CRYPTO_malloc_init() CRYPTO_set_mem_functions(\
221 malloc, realloc, free)
222
223#if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
224# ifndef CRYPTO_MDEBUG /* avoid duplicate #define */
225# define CRYPTO_MDEBUG
226# endif
227#endif
228
229/* Set standard debugging functions (not done by default
230 * unless CRYPTO_MDEBUG is defined) */
231#define CRYPTO_malloc_debug_init() do {\
232 CRYPTO_set_mem_debug_functions(\
233 (void (*)())CRYPTO_dbg_malloc,\
234 (void (*)())CRYPTO_dbg_realloc,\
235 (void (*)())CRYPTO_dbg_free,\
236 (void (*)())CRYPTO_dbg_set_options,\
237 (long (*)())CRYPTO_dbg_get_options);\
238 } while(0)
239
240int CRYPTO_mem_ctrl(int mode);
241int CRYPTO_is_mem_check_on(void);
242
243/* for applications */
244#define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
245#define MemCheck_stop() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)
246
247/* for library-internal use */
248#define MemCheck_on() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE)
249#define MemCheck_off() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE)
250#define is_MemCheck_on() CRYPTO_is_mem_check_on()
251
252#define Malloc(num) CRYPTO_malloc((int)num,__FILE__,__LINE__)
253#define Realloc(addr,num) \
254 CRYPTO_realloc((char *)addr,(int)num,__FILE__,__LINE__)
255#define Remalloc(addr,num) \
256 CRYPTO_remalloc((char **)addr,(int)num,__FILE__,__LINE__)
257#define FreeFunc CRYPTO_free
258#define Free(addr) CRYPTO_free(addr)
259
260#define Malloc_locked(num) CRYPTO_malloc_locked((int)num,__FILE__,__LINE__)
261#define Free_locked(addr) CRYPTO_free_locked(addr)
262
263
264/* Case insensiteve linking causes problems.... */
265#if defined(WIN16) || defined(VMS)
266#define ERR_load_CRYPTO_strings ERR_load_CRYPTOlib_strings
267#endif
268
269
270const char *SSLeay_version(int type);
271unsigned long SSLeay(void);
272
273int CRYPTO_get_ex_new_index(int idx, STACK_OF(CRYPTO_EX_DATA_FUNCS) **skp, long argl, void *argp,
274 CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
275int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
276void *CRYPTO_get_ex_data(CRYPTO_EX_DATA *ad,int idx);
277int CRYPTO_dup_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, CRYPTO_EX_DATA *to,
278 CRYPTO_EX_DATA *from);
279void CRYPTO_free_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, void *obj, CRYPTO_EX_DATA *ad);
280void CRYPTO_new_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, void *obj, CRYPTO_EX_DATA *ad);
281
282int CRYPTO_get_new_lockid(char *name);
283
284int CRYPTO_num_locks(void); /* return CRYPTO_NUM_LOCKS (shared libs!) */
285void CRYPTO_lock(int mode, int type,const char *file,int line);
286void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
287 const char *file,int line));
288void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
289 int line);
290void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
291 const char *file, int line));
292int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,
293 const char *file,int line);
294void CRYPTO_set_id_callback(unsigned long (*func)(void));
295unsigned long (*CRYPTO_get_id_callback(void))(void);
296unsigned long CRYPTO_thread_id(void);
297const char *CRYPTO_get_lock_name(int type);
298int CRYPTO_add_lock(int *pointer,int amount,int type, const char *file,
299 int line);
300
301/* CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions --
302 * call the latter last if you need different functions */
303int CRYPTO_set_mem_functions(void *(*m)(size_t),void *(*r)(void *,size_t), void (*f)(void *));
304int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*free_func)(void *));
305int CRYPTO_set_mem_debug_functions(void (*m)(),void (*r)(),void (*f)(),void (*so)(),long (*go)());
306void CRYPTO_get_mem_functions(void *(**m)(size_t),void *(**r)(void *, size_t), void (**f)(void *));
307void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *));
308void CRYPTO_get_mem_debug_functions(void (**m)(),void (**r)(),void (**f)(),void (**so)(),long (**go)());
309
310void *CRYPTO_malloc_locked(int num, const char *file, int line);
311void CRYPTO_free_locked(void *);
312void *CRYPTO_malloc(int num, const char *file, int line);
313void CRYPTO_free(void *);
314void *CRYPTO_realloc(void *addr,int num, const char *file, int line);
315void *CRYPTO_remalloc(void *addr,int num, const char *file, int line);
316
317void CRYPTO_set_mem_debug_options(long bits);
318long CRYPTO_get_mem_debug_options(void);
319
320#define CRYPTO_push_info(info) \
321 CRYPTO_push_info_(info, __FILE__, __LINE__);
322int CRYPTO_push_info_(const char *info, const char *file, int line);
323int CRYPTO_pop_info(void);
324int CRYPTO_remove_all_info(void);
325
326/* The last argument has the following significance:
327 *
328 * 0: called before the actual memory allocation has taken place
329 * 1: called after the actual memory allocation has taken place
330 */
331void CRYPTO_dbg_malloc(void *addr,int num,const char *file,int line,int before_p);
332void CRYPTO_dbg_realloc(void *addr1,void *addr2,int num,const char *file,int line,int before_p);
333void CRYPTO_dbg_free(void *addr,int before_p);
334
335/* Tell the debugging code about options. By default, the following values
336 * apply:
337 *
338 * 0: Clear all options.
339 * 1: Set the "Show Time" option.
340 * 2: Set the "Show Thread Number" option.
341 * 3: 1 + 2
342 */
343void CRYPTO_dbg_set_options(long bits);
344long CRYPTO_dbg_get_options(void);
345
346#ifndef NO_FP_API
347void CRYPTO_mem_leaks_fp(FILE *);
348#endif
349void CRYPTO_mem_leaks(struct bio_st *bio);
350/* unsigned long order, char *file, int line, int num_bytes, char *addr */
351void CRYPTO_mem_leaks_cb(void (*cb)());
352
353void ERR_load_CRYPTO_strings(void);
354
355/* BEGIN ERROR CODES */
356/* The following lines are auto generated by the script mkerr.pl. Any changes
357 * made after this point may be overwritten when the script is next run.
358 */
359
360/* Error codes for the CRYPTO functions. */
361
362/* Function codes. */
363#define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX 100
364#define CRYPTO_F_CRYPTO_GET_NEW_LOCKID 101
365#define CRYPTO_F_CRYPTO_SET_EX_DATA 102
366
367/* Reason codes. */
368
369#ifdef __cplusplus
370}
371#endif
372#endif
373
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