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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#include <stdlib.h>
63
64#ifndef NO_FP_API
65#include <stdio.h>
66#endif
67
68#include <openssl/stack.h>
69#include <openssl/safestack.h>
70#include <openssl/opensslv.h>
71
72#ifdef CHARSET_EBCDIC
73#include <openssl/ebcdic.h>
74#endif
75
76/* Resolve problems on some operating systems with symbol names that clash
77 one way or another */
78#include <openssl/symhacks.h>
79
80#ifdef __cplusplus
81extern "C" {
82#endif
83
84/* Backward compatibility to SSLeay */
85/* This is more to be used to check the correct DLL is being used
86 * in the MS world. */
87#define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
88#define SSLEAY_VERSION 0
89/* #define SSLEAY_OPTIONS 1 no longer supported */
90#define SSLEAY_CFLAGS 2
91#define SSLEAY_BUILT_ON 3
92#define SSLEAY_PLATFORM 4
93
94/* When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock
95 * names in cryptlib.c
96 */
97
98#define CRYPTO_LOCK_ERR 1
99#define CRYPTO_LOCK_ERR_HASH 2
100#define CRYPTO_LOCK_X509 3
101#define CRYPTO_LOCK_X509_INFO 4
102#define CRYPTO_LOCK_X509_PKEY 5
103#define CRYPTO_LOCK_X509_CRL 6
104#define CRYPTO_LOCK_X509_REQ 7
105#define CRYPTO_LOCK_DSA 8
106#define CRYPTO_LOCK_RSA 9
107#define CRYPTO_LOCK_EVP_PKEY 10
108#define CRYPTO_LOCK_X509_STORE 11
109#define CRYPTO_LOCK_SSL_CTX 12
110#define CRYPTO_LOCK_SSL_CERT 13
111#define CRYPTO_LOCK_SSL_SESSION 14
112#define CRYPTO_LOCK_SSL_SESS_CERT 15
113#define CRYPTO_LOCK_SSL 16
114#define CRYPTO_LOCK_RAND 17
115#define CRYPTO_LOCK_MALLOC 18
116#define CRYPTO_LOCK_BIO 19
117#define CRYPTO_LOCK_GETHOSTBYNAME 20
118#define CRYPTO_LOCK_GETSERVBYNAME 21
119#define CRYPTO_LOCK_READDIR 22
120#define CRYPTO_LOCK_RSA_BLINDING 23
121#define CRYPTO_LOCK_DH 24
122#define CRYPTO_LOCK_MALLOC2 25
123#define CRYPTO_LOCK_DSO 26
124#define CRYPTO_LOCK_DYNLOCK 27
125#define CRYPTO_LOCK_ENGINE 28
126#define CRYPTO_NUM_LOCKS 29
127
128#define CRYPTO_LOCK 1
129#define CRYPTO_UNLOCK 2
130#define CRYPTO_READ 4
131#define CRYPTO_WRITE 8
132
133#ifndef NO_LOCKING
134#ifndef CRYPTO_w_lock
135#define CRYPTO_w_lock(type) \
136 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
137#define CRYPTO_w_unlock(type) \
138 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
139#define CRYPTO_r_lock(type) \
140 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
141#define CRYPTO_r_unlock(type) \
142 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
143#define CRYPTO_add(addr,amount,type) \
144 CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
145#endif
146#else
147#define CRYPTO_w_lock(a)
148#define CRYPTO_w_unlock(a)
149#define CRYPTO_r_lock(a)
150#define CRYPTO_r_unlock(a)
151#define CRYPTO_add(a,b,c) ((*(a))+=(b))
152#endif
153
154/* Some applications as well as some parts of OpenSSL need to allocate
155 and deallocate locks in a dynamic fashion. The following typedef
156 makes this possible in a type-safe manner. */
157/* struct CRYPTO_dynlock_value has to be defined by the application. */
158typedef struct
159 {
160 int references;
161 struct CRYPTO_dynlock_value *data;
162 } CRYPTO_dynlock;
163
164
165/* The following can be used to detect memory leaks in the SSLeay library.
166 * It used, it turns on malloc checking */
167
168#define CRYPTO_MEM_CHECK_OFF 0x0 /* an enume */
169#define CRYPTO_MEM_CHECK_ON 0x1 /* a bit */
170#define CRYPTO_MEM_CHECK_ENABLE 0x2 /* a bit */
171#define CRYPTO_MEM_CHECK_DISABLE 0x3 /* an enume */
172
173/* The following are bit values to turn on or off options connected to the
174 * malloc checking functionality */
175
176/* Adds time to the memory checking information */
177#define V_CRYPTO_MDEBUG_TIME 0x1 /* a bit */
178/* Adds thread number to the memory checking information */
179#define V_CRYPTO_MDEBUG_THREAD 0x2 /* a bit */
180
181#define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
182
183
184/* predec of the BIO type */
185typedef struct bio_st BIO_dummy;
186
187typedef struct crypto_ex_data_st
188 {
189 STACK *sk;
190 int dummy; /* gcc is screwing up this data structure :-( */
191 } CRYPTO_EX_DATA;
192
193/* Called when a new object is created */
194typedef int CRYPTO_EX_new(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
195 int idx, long argl, void *argp);
196/* Called when an object is free()ed */
197typedef void CRYPTO_EX_free(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
198 int idx, long argl, void *argp);
199/* Called when we need to dup an object */
200typedef int CRYPTO_EX_dup(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d,
201 int idx, long argl, void *argp);
202
203/* This stuff is basically class callback functions
204 * The current classes are SSL_CTX, SSL, SSL_SESSION, and a few more */
205
206typedef struct crypto_ex_data_func_st
207 {
208 long argl; /* Arbitary long */
209 void *argp; /* Arbitary void * */
210 CRYPTO_EX_new *new_func;
211 CRYPTO_EX_free *free_func;
212 CRYPTO_EX_dup *dup_func;
213 } CRYPTO_EX_DATA_FUNCS;
214
215DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)
216
217/* Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA
218 * entry.
219 */
220
221#define CRYPTO_EX_INDEX_BIO 0
222#define CRYPTO_EX_INDEX_SSL 1
223#define CRYPTO_EX_INDEX_SSL_CTX 2
224#define CRYPTO_EX_INDEX_SSL_SESSION 3
225#define CRYPTO_EX_INDEX_X509_STORE 4
226#define CRYPTO_EX_INDEX_X509_STORE_CTX 5
227
228
229/* This is the default callbacks, but we can have others as well:
230 * this is needed in Win32 where the application malloc and the
231 * library malloc may not be the same.
232 */
233#define CRYPTO_malloc_init() CRYPTO_set_mem_functions(\
234 malloc, realloc, free)
235
236#if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
237# ifndef CRYPTO_MDEBUG /* avoid duplicate #define */
238# define CRYPTO_MDEBUG
239# endif
240#endif
241
242/* Set standard debugging functions (not done by default
243 * unless CRYPTO_MDEBUG is defined) */
244#define CRYPTO_malloc_debug_init() do {\
245 CRYPTO_set_mem_debug_functions(\
246 CRYPTO_dbg_malloc,\
247 CRYPTO_dbg_realloc,\
248 CRYPTO_dbg_free,\
249 CRYPTO_dbg_set_options,\
250 CRYPTO_dbg_get_options);\
251 } while(0)
252
253int CRYPTO_mem_ctrl(int mode);
254int CRYPTO_is_mem_check_on(void);
255
256/* for applications */
257#define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
258#define MemCheck_stop() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)
259
260/* for library-internal use */
261#define MemCheck_on() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE)
262#define MemCheck_off() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE)
263#define is_MemCheck_on() CRYPTO_is_mem_check_on()
264
265#define OPENSSL_malloc(num) CRYPTO_malloc((int)num,__FILE__,__LINE__)
266#define OPENSSL_realloc(addr,num) \
267 CRYPTO_realloc((char *)addr,(int)num,__FILE__,__LINE__)
268#define OPENSSL_remalloc(addr,num) \
269 CRYPTO_remalloc((char **)addr,(int)num,__FILE__,__LINE__)
270#define OPENSSL_freeFunc CRYPTO_free
271#define OPENSSL_free(addr) CRYPTO_free(addr)
272
273#define OPENSSL_malloc_locked(num) \
274 CRYPTO_malloc_locked((int)num,__FILE__,__LINE__)
275#define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)
276
277
278const char *SSLeay_version(int type);
279unsigned long SSLeay(void);
280
281int OPENSSL_issetugid(void);
282
283int CRYPTO_get_ex_new_index(int idx, STACK_OF(CRYPTO_EX_DATA_FUNCS) **skp, long argl, void *argp,
284 CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
285int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
286void *CRYPTO_get_ex_data(CRYPTO_EX_DATA *ad,int idx);
287int CRYPTO_dup_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, CRYPTO_EX_DATA *to,
288 CRYPTO_EX_DATA *from);
289void CRYPTO_free_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, void *obj, CRYPTO_EX_DATA *ad);
290void CRYPTO_new_ex_data(STACK_OF(CRYPTO_EX_DATA_FUNCS) *meth, void *obj, CRYPTO_EX_DATA *ad);
291
292int CRYPTO_get_new_lockid(char *name);
293
294int CRYPTO_num_locks(void); /* return CRYPTO_NUM_LOCKS (shared libs!) */
295void CRYPTO_lock(int mode, int type,const char *file,int line);
296void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
297 const char *file,int line));
298void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
299 int line);
300void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
301 const char *file, int line));
302int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,
303 const char *file,int line);
304void CRYPTO_set_id_callback(unsigned long (*func)(void));
305unsigned long (*CRYPTO_get_id_callback(void))(void);
306unsigned long CRYPTO_thread_id(void);
307const char *CRYPTO_get_lock_name(int type);
308int CRYPTO_add_lock(int *pointer,int amount,int type, const char *file,
309 int line);
310
311int CRYPTO_get_new_dynlockid(void);
312void CRYPTO_destroy_dynlockid(int i);
313struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
314void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*dyn_create_function)(const char *file, int line));
315void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)(int mode, struct CRYPTO_dynlock_value *l, const char *file, int line));
316void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)(struct CRYPTO_dynlock_value *l, const char *file, int line));
317struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))(const char *file,int line);
318void (*CRYPTO_get_dynlock_lock_callback(void))(int mode, struct CRYPTO_dynlock_value *l, const char *file,int line);
319void (*CRYPTO_get_dynlock_destroy_callback(void))(struct CRYPTO_dynlock_value *l, const char *file,int line);
320
321/* CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions --
322 * call the latter last if you need different functions */
323int CRYPTO_set_mem_functions(void *(*m)(size_t),void *(*r)(void *,size_t), void (*f)(void *));
324int CRYPTO_set_locked_mem_functions(void *(*m)(size_t), void (*free_func)(void *));
325int CRYPTO_set_mem_debug_functions(void (*m)(void *,int,const char *,int,int),
326 void (*r)(void *,void *,int,const char *,int,int),
327 void (*f)(void *,int),
328 void (*so)(long),
329 long (*go)(void));
330void CRYPTO_get_mem_functions(void *(**m)(size_t),void *(**r)(void *, size_t), void (**f)(void *));
331void CRYPTO_get_locked_mem_functions(void *(**m)(size_t), void (**f)(void *));
332void CRYPTO_get_mem_debug_functions(void (**m)(void *,int,const char *,int,int),
333 void (**r)(void *,void *,int,const char *,int,int),
334 void (**f)(void *,int),
335 void (**so)(long),
336 long (**go)(void));
337
338void *CRYPTO_malloc_locked(int num, const char *file, int line);
339void CRYPTO_free_locked(void *);
340void *CRYPTO_malloc(int num, const char *file, int line);
341void CRYPTO_free(void *);
342void *CRYPTO_realloc(void *addr,int num, const char *file, int line);
343void *CRYPTO_remalloc(void *addr,int num, const char *file, int line);
344
345void CRYPTO_set_mem_debug_options(long bits);
346long CRYPTO_get_mem_debug_options(void);
347
348#define CRYPTO_push_info(info) \
349 CRYPTO_push_info_(info, __FILE__, __LINE__);
350int CRYPTO_push_info_(const char *info, const char *file, int line);
351int CRYPTO_pop_info(void);
352int CRYPTO_remove_all_info(void);
353
354/* The last argument has the following significance:
355 *
356 * 0: called before the actual memory allocation has taken place
357 * 1: called after the actual memory allocation has taken place
358 */
359void CRYPTO_dbg_malloc(void *addr,int num,const char *file,int line,int before_p);
360void CRYPTO_dbg_realloc(void *addr1,void *addr2,int num,const char *file,int line,int before_p);
361void CRYPTO_dbg_free(void *addr,int before_p);
362
363/* Tell the debugging code about options. By default, the following values
364 * apply:
365 *
366 * 0: Clear all options.
367 * 1: Set the "Show Time" option.
368 * 2: Set the "Show Thread Number" option.
369 * 3: 1 + 2
370 */
371void CRYPTO_dbg_set_options(long bits);
372long CRYPTO_dbg_get_options(void);
373
374#ifndef NO_FP_API
375void CRYPTO_mem_leaks_fp(FILE *);
376#endif
377void CRYPTO_mem_leaks(struct bio_st *bio);
378/* unsigned long order, char *file, int line, int num_bytes, char *addr */
379void CRYPTO_mem_leaks_cb(void (*cb)(unsigned long, const char *, int, int, void *));
380
381void ERR_load_CRYPTO_strings(void);
382
383/* BEGIN ERROR CODES */
384/* The following lines are auto generated by the script mkerr.pl. Any changes
385 * made after this point may be overwritten when the script is next run.
386 */
387
388/* Error codes for the CRYPTO functions. */
389
390/* Function codes. */
391#define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX 100
392#define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID 103
393#define CRYPTO_F_CRYPTO_GET_NEW_LOCKID 101
394#define CRYPTO_F_CRYPTO_SET_EX_DATA 102
395
396/* Reason codes. */
397#define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK 100
398
399#ifdef __cplusplus
400}
401#endif
402#endif
403
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