[thirdparty/openssl.git] / include / openssl / crypto.h

/*
 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL license (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

/* ====================================================================
 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 * ECDH support in OpenSSL originally developed by
 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 */

#ifndef HEADER_CRYPTO_H
# define HEADER_CRYPTO_H

# include <stdlib.h>
# include <time.h>

# include <openssl/e_os2.h>

# ifndef OPENSSL_NO_STDIO
#  include <stdio.h>
# endif

# include <openssl/stack.h>
# include <openssl/safestack.h>
# include <openssl/opensslv.h>
# include <openssl/ossl_typ.h>
# include <openssl/opensslconf.h>

# ifdef CHARSET_EBCDIC
#  include <openssl/ebcdic.h>
# endif

/*
 * Resolve problems on some operating systems with symbol names that clash
 * one way or another
 */
# include <openssl/symhacks.h>

# if OPENSSL_API_COMPAT < 0x10100000L
#  include <openssl/opensslv.h>
# endif

#ifdef  __cplusplus
extern "C" {
#endif

# if OPENSSL_API_COMPAT < 0x10100000L
#  define SSLeay                  OpenSSL_version_num
#  define SSLeay_version          OpenSSL_version
#  define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
#  define SSLEAY_VERSION          OPENSSL_VERSION
#  define SSLEAY_CFLAGS           OPENSSL_CFLAGS
#  define SSLEAY_BUILT_ON         OPENSSL_BUILT_ON
#  define SSLEAY_PLATFORM         OPENSSL_PLATFORM
#  define SSLEAY_DIR              OPENSSL_DIR

/*
 * Old type for allocating dynamic locks. No longer used. Use the new thread
 * API instead.
 */
typedef struct {
    int dummy;
} CRYPTO_dynlock;

# endif /* OPENSSL_API_COMPAT */

typedef void CRYPTO_RWLOCK;

CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void);
int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock);
int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock);
int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock);
void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock);

int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock);

/*
 * The following can be used to detect memory leaks in the library. If
 * used, it turns on malloc checking
 */
# define CRYPTO_MEM_CHECK_OFF     0x0   /* Control only */
# define CRYPTO_MEM_CHECK_ON      0x1   /* Control and mode bit */
# define CRYPTO_MEM_CHECK_ENABLE  0x2   /* Control and mode bit */
# define CRYPTO_MEM_CHECK_DISABLE 0x3   /* Control only */

struct crypto_ex_data_st {
    STACK_OF(void) *sk;
};
DEFINE_STACK_OF(void)

/*
 * Per class, we have a STACK of function pointers.
 */
# define CRYPTO_EX_INDEX_SSL              0
# define CRYPTO_EX_INDEX_SSL_CTX          1
# define CRYPTO_EX_INDEX_SSL_SESSION      2
# define CRYPTO_EX_INDEX_X509             3
# define CRYPTO_EX_INDEX_X509_STORE       4
# define CRYPTO_EX_INDEX_X509_STORE_CTX   5
# define CRYPTO_EX_INDEX_DH               6
# define CRYPTO_EX_INDEX_DSA              7
# define CRYPTO_EX_INDEX_EC_KEY           8
# define CRYPTO_EX_INDEX_RSA              9
# define CRYPTO_EX_INDEX_ENGINE          10
# define CRYPTO_EX_INDEX_UI              11
# define CRYPTO_EX_INDEX_BIO             12
# define CRYPTO_EX_INDEX_APP             13
# define CRYPTO_EX_INDEX__COUNT          14

/*
 * This is the default callbacks, but we can have others as well: this is
 * needed in Win32 where the application malloc and the library malloc may
 * not be the same.
 */
#define OPENSSL_malloc_init() \
    CRYPTO_set_mem_functions(CRYPTO_malloc, CRYPTO_realloc, CRYPTO_free)

int CRYPTO_mem_ctrl(int mode);

# define OPENSSL_malloc(num) \
        CRYPTO_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_zalloc(num) \
        CRYPTO_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_realloc(addr, num) \
        CRYPTO_realloc(addr, num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_clear_realloc(addr, old_num, num) \
        CRYPTO_clear_realloc(addr, old_num, num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_clear_free(addr, num) \
        CRYPTO_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_free(addr) \
        CRYPTO_free(addr, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_memdup(str, s) \
        CRYPTO_memdup((str), s, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_strdup(str) \
        CRYPTO_strdup(str, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_strndup(str, n) \
        CRYPTO_strndup(str, n, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_secure_malloc(num) \
        CRYPTO_secure_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_secure_zalloc(num) \
        CRYPTO_secure_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_secure_free(addr) \
        CRYPTO_secure_free(addr, OPENSSL_FILE, OPENSSL_LINE)
# define OPENSSL_secure_actual_size(ptr) \
        CRYPTO_secure_actual_size(ptr)

size_t OPENSSL_strlcpy(char *dst, const char *src, size_t siz);
size_t OPENSSL_strlcat(char *dst, const char *src, size_t siz);
size_t OPENSSL_strnlen(const char *str, size_t maxlen);
char *OPENSSL_buf2hexstr(const unsigned char *buffer, long len);
unsigned char *OPENSSL_hexstr2buf(const char *str, long *len);
int OPENSSL_hexchar2int(unsigned char c);

# define OPENSSL_MALLOC_MAX_NELEMS(type)  (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))

unsigned long OpenSSL_version_num(void);
const char *OpenSSL_version(int type);
# define OPENSSL_VERSION          0
# define OPENSSL_CFLAGS           1
# define OPENSSL_BUILT_ON         2
# define OPENSSL_PLATFORM         3
# define OPENSSL_DIR              4
# define OPENSSL_ENGINES_DIR      5

int OPENSSL_issetugid(void);

typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
                           int idx, long argl, void *argp);
typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
                             int idx, long argl, void *argp);
typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
                           void *srcp, int idx, long argl, void *argp);
__owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
                            CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
                            CRYPTO_EX_free *free_func);
/* No longer use an index. */
int CRYPTO_free_ex_index(int class_index, int idx);

/*
 * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
 * given class (invokes whatever per-class callbacks are applicable)
 */
int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
                       CRYPTO_EX_DATA *from);

void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);

/*
 * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
 * index (relative to the class type involved)
 */
int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);

# if OPENSSL_API_COMPAT < 0x10100000L
/*
 * This function cleans up all "ex_data" state. It mustn't be called under
 * potential race-conditions.
 */
# define CRYPTO_cleanup_all_ex_data() while(0) continue

/*
 * The old locking functions have been removed completely without compatibility
 * macros. This is because the old functions either could not properly report
 * errors, or the returned error values were not clearly documented.
 * Replacing the locking functions with with no-ops would cause race condition
 * issues in the affected applications. It is far better for them to fail at
 * compile time.
 * On the other hand, the locking callbacks are no longer used.  Consequently,
 * the callback management functions can be safely replaced with no-op macros.
 */
#  define CRYPTO_num_locks()            (0)
#  define CRYPTO_set_locking_callback(func)
#  define CRYPTO_get_locking_callback()         (NULL)
#  define CRYPTO_set_add_lock_callback(func)
#  define CRYPTO_get_add_lock_callback()        (NULL)

/* This structure is no longer used */
typedef struct crypto_threadid_st {
    int dummy;
} CRYPTO_THREADID;
/* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
#  define CRYPTO_THREADID_set_numeric(id, val)
#  define CRYPTO_THREADID_set_pointer(id, ptr)
#  define CRYPTO_THREADID_set_callback(threadid_func)   (0)
#  define CRYPTO_THREADID_get_callback()                (NULL)
#  define CRYPTO_THREADID_current(id)
#  define CRYPTO_THREADID_cmp(a, b)                     (-1)
#  define CRYPTO_THREADID_cpy(dest, src)
#  define CRYPTO_THREADID_hash(id)                      (0UL)

#  if OPENSSL_API_COMPAT < 0x10000000L
#   define CRYPTO_set_id_callback(func)
#   define CRYPTO_get_id_callback()                     (NULL)
#   define CRYPTO_thread_id()                           (0UL)
#  endif /* OPENSSL_API_COMPAT < 0x10000000L */

#  define CRYPTO_set_dynlock_create_callback(dyn_create_function)
#  define CRYPTO_set_dynlock_lock_callback(dyn_lock_function)
#  define CRYPTO_set_dynlock_destroy_callback(dyn_destroy_function)
#  define CRYPTO_get_dynlock_create_callback()          (NULL)
#  define CRYPTO_get_dynlock_lock_callback()            (NULL)
#  define CRYPTO_get_dynlock_destroy_callback()         (NULL)
# endif /* OPENSSL_API_COMPAT < 0x10100000L */

int CRYPTO_set_mem_functions(
        void *(*m) (size_t, const char *, int),
        void *(*r) (void *, size_t, const char *, int),
        void (*f) (void *, const char *, int));
int CRYPTO_set_mem_debug(int flag);
void CRYPTO_get_mem_functions(
        void *(**m) (size_t, const char *, int),
        void *(**r) (void *, size_t, const char *, int),
        void (**f) (void *, const char *, int));

void *CRYPTO_malloc(size_t num, const char *file, int line);
void *CRYPTO_zalloc(size_t num, const char *file, int line);
void *CRYPTO_memdup(const void *str, size_t siz, const char *file, int line);
char *CRYPTO_strdup(const char *str, const char *file, int line);
char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
void CRYPTO_free(void *ptr, const char *file, int line);
void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line);
void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
                           const char *file, int line);

int CRYPTO_secure_malloc_init(size_t sz, int minsize);
int CRYPTO_secure_malloc_done(void);
void *CRYPTO_secure_malloc(size_t num, const char *file, int line);
void *CRYPTO_secure_zalloc(size_t num, const char *file, int line);
void CRYPTO_secure_free(void *ptr, const char *file, int line);
int CRYPTO_secure_allocated(const void *ptr);
int CRYPTO_secure_malloc_initialized(void);
size_t CRYPTO_secure_actual_size(void *ptr);
size_t CRYPTO_secure_used(void);

void OPENSSL_cleanse(void *ptr, size_t len);

# ifndef OPENSSL_NO_CRYPTO_MDEBUG
#  define OPENSSL_mem_debug_push(info) \
        CRYPTO_mem_debug_push(info, OPENSSL_FILE, OPENSSL_LINE)
#  define OPENSSL_mem_debug_pop() \
        CRYPTO_mem_debug_pop()
int CRYPTO_mem_debug_push(const char *info, const char *file, int line);
int CRYPTO_mem_debug_pop(void);

/*-
 * Debugging functions (enabled by CRYPTO_set_mem_debug(1))
 * The flag argument has the following significance:
 *   0:   called before the actual memory allocation has taken place
 *   1:   called after the actual memory allocation has taken place
 */
void CRYPTO_mem_debug_malloc(void *addr, size_t num, int flag,
        const char *file, int line);
void CRYPTO_mem_debug_realloc(void *addr1, void *addr2, size_t num, int flag,
        const char *file, int line);
void CRYPTO_mem_debug_free(void *addr, int flag,
        const char *file, int line);

#  ifndef OPENSSL_NO_STDIO
int CRYPTO_mem_leaks_fp(FILE *);
#  endif
int CRYPTO_mem_leaks(BIO *bio);
# endif

/* die if we have to */
ossl_noreturn void OPENSSL_die(const char *assertion, const char *file, int line);
# if OPENSSL_API_COMPAT < 0x10100000L
#  define OpenSSLDie(f,l,a) OPENSSL_die((a),(f),(l))
# endif
# define OPENSSL_assert(e) \
    (void)((e) ? 0 : (OPENSSL_die("assertion failed: " #e, OPENSSL_FILE, OPENSSL_LINE), 1))

int OPENSSL_isservice(void);

int FIPS_mode(void);
int FIPS_mode_set(int r);

void OPENSSL_init(void);

struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result);
int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
int OPENSSL_gmtime_diff(int *pday, int *psec,
                        const struct tm *from, const struct tm *to);

/*
 * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
 * It takes an amount of time dependent on |len|, but independent of the
 * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
 * into a defined order as the return value when a != b is undefined, other
 * than to be non-zero.
 */
int CRYPTO_memcmp(const volatile void * volatile in_a,
                  const volatile void * volatile in_b,
                  size_t len);

/* Standard initialisation options */
# define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0x00000001L
# define OPENSSL_INIT_LOAD_CRYPTO_STRINGS    0x00000002L
# define OPENSSL_INIT_ADD_ALL_CIPHERS        0x00000004L
# define OPENSSL_INIT_ADD_ALL_DIGESTS        0x00000008L
# define OPENSSL_INIT_NO_ADD_ALL_CIPHERS     0x00000010L
# define OPENSSL_INIT_NO_ADD_ALL_DIGESTS     0x00000020L
# define OPENSSL_INIT_LOAD_CONFIG            0x00000040L
# define OPENSSL_INIT_NO_LOAD_CONFIG         0x00000080L
# define OPENSSL_INIT_ASYNC                  0x00000100L
# define OPENSSL_INIT_ENGINE_RDRAND          0x00000200L
# define OPENSSL_INIT_ENGINE_DYNAMIC         0x00000400L
# define OPENSSL_INIT_ENGINE_OPENSSL         0x00000800L
# define OPENSSL_INIT_ENGINE_CRYPTODEV       0x00001000L
# define OPENSSL_INIT_ENGINE_CAPI            0x00002000L
# define OPENSSL_INIT_ENGINE_PADLOCK         0x00004000L
# define OPENSSL_INIT_ENGINE_DASYNC          0x00008000L
/* OPENSSL_INIT flag 0x00010000 reserved for internal use */
# define OPENSSL_INIT_ENGINE_AFALG           0x00020000L
/* OPENSSL_INIT flag range 0xfff00000 reserved for OPENSSL_init_ssl() */
/* Max OPENSSL_INIT flag value is 0x80000000 */

/* openssl and dasync not counted as builtin */
# define OPENSSL_INIT_ENGINE_ALL_BUILTIN \
    (OPENSSL_INIT_ENGINE_RDRAND | OPENSSL_INIT_ENGINE_DYNAMIC \
    | OPENSSL_INIT_ENGINE_CRYPTODEV | OPENSSL_INIT_ENGINE_CAPI | \
    OPENSSL_INIT_ENGINE_PADLOCK)


/* Library initialisation functions */
void OPENSSL_cleanup(void);
int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
int OPENSSL_atexit(void (*handler)(void));
void OPENSSL_thread_stop(void);

/* Low-level control of initialization */
OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void);
#ifndef OPENSSL_NO_STDIO
int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
                                    const char *config_file);
#endif
void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings);

# if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG)
typedef unsigned int CRYPTO_ONCE;
typedef unsigned int CRYPTO_THREAD_LOCAL;
typedef unsigned int CRYPTO_THREAD_ID;

#  define CRYPTO_ONCE_STATIC_INIT 0
# elif defined(OPENSSL_SYS_WINDOWS)
#  include <windows.h>
typedef DWORD CRYPTO_THREAD_LOCAL;
typedef DWORD CRYPTO_THREAD_ID;

typedef LONG CRYPTO_ONCE;
#  define CRYPTO_ONCE_STATIC_INIT 0

# else
#  include <pthread.h>
typedef pthread_once_t CRYPTO_ONCE;
typedef pthread_key_t CRYPTO_THREAD_LOCAL;
typedef pthread_t CRYPTO_THREAD_ID;

#  define CRYPTO_ONCE_STATIC_INIT PTHREAD_ONCE_INIT
# endif

int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void));

int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *));
void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key);
int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val);
int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key);

CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void);
int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b);

/* BEGIN ERROR CODES */
/*
 * The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */

void ERR_load_CRYPTO_strings(void);

/* Error codes for the CRYPTO functions. */

/* Function codes. */
# define CRYPTO_F_CRYPTO_DUP_EX_DATA                      110
# define CRYPTO_F_CRYPTO_FREE_EX_DATA                     111
# define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX                 100
# define CRYPTO_F_CRYPTO_MEMDUP                           115
# define CRYPTO_F_CRYPTO_NEW_EX_DATA                      112
# define CRYPTO_F_CRYPTO_SET_EX_DATA                      102
# define CRYPTO_F_FIPS_MODE_SET                           109
# define CRYPTO_F_GET_AND_LOCK                            113
# define CRYPTO_F_OPENSSL_BUF2HEXSTR                      117
# define CRYPTO_F_OPENSSL_HEXSTR2BUF                      118
# define CRYPTO_F_OPENSSL_INIT_CRYPTO                     116

/* Reason codes. */
# define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED                 101
# define CRYPTO_R_ILLEGAL_HEX_DIGIT                       102
# define CRYPTO_R_ODD_NUMBER_OF_DIGITS                    103

# ifdef  __cplusplus
}
# endif
#endif
Commit	Line	Data
	1	/*
	2	* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
	3	*
	4	* Licensed under the OpenSSL license (the "License"). You may not use
	5	* this file except in compliance with the License. You can obtain a copy
	6	* in the file LICENSE in the source distribution or at
	7	* https://www.openssl.org/source/license.html
	8	*/
	9
	10	/* ====================================================================
	11	* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
	12	* ECDH support in OpenSSL originally developed by
	13	* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
	14	*/
	15
	16	#ifndef HEADER_CRYPTO_H
	17	# define HEADER_CRYPTO_H
	18
	19	# include <stdlib.h>
	20	# include <time.h>
	21
	22	# include <openssl/e_os2.h>
	23
	24	# ifndef OPENSSL_NO_STDIO
	25	# include <stdio.h>
	26	# endif
	27
	28	# include <openssl/stack.h>
	29	# include <openssl/safestack.h>
	30	# include <openssl/opensslv.h>
	31	# include <openssl/ossl_typ.h>
	32	# include <openssl/opensslconf.h>
	33
	34	# ifdef CHARSET_EBCDIC
	35	# include <openssl/ebcdic.h>
	36	# endif
	37
	38	/*
	39	* Resolve problems on some operating systems with symbol names that clash
	40	* one way or another
	41	*/
	42	# include <openssl/symhacks.h>
	43
	44	# if OPENSSL_API_COMPAT < 0x10100000L
	45	# include <openssl/opensslv.h>
	46	# endif
	47
	48	#ifdef __cplusplus
	49	extern "C" {
	50	#endif
	51
	52	# if OPENSSL_API_COMPAT < 0x10100000L
	53	# define SSLeay OpenSSL_version_num
	54	# define SSLeay_version OpenSSL_version
	55	# define SSLEAY_VERSION_NUMBER OPENSSL_VERSION_NUMBER
	56	# define SSLEAY_VERSION OPENSSL_VERSION
	57	# define SSLEAY_CFLAGS OPENSSL_CFLAGS
	58	# define SSLEAY_BUILT_ON OPENSSL_BUILT_ON
	59	# define SSLEAY_PLATFORM OPENSSL_PLATFORM
	60	# define SSLEAY_DIR OPENSSL_DIR
	61
	62	/*
	63	* Old type for allocating dynamic locks. No longer used. Use the new thread
	64	* API instead.
	65	*/
	66	typedef struct {
	67	int dummy;
	68	} CRYPTO_dynlock;
	69
	70	# endif /* OPENSSL_API_COMPAT */
	71
	72	typedef void CRYPTO_RWLOCK;
	73
	74	CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void);
	75	int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock);
	76	int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock);
	77	int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock);
	78	void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock);
	79
	80	int CRYPTO_atomic_add(int val, int amount, int ret, CRYPTO_RWLOCK *lock);
	81
	82	/*
	83	* The following can be used to detect memory leaks in the library. If
	84	* used, it turns on malloc checking
	85	*/
	86	# define CRYPTO_MEM_CHECK_OFF 0x0 /* Control only */
	87	# define CRYPTO_MEM_CHECK_ON 0x1 /* Control and mode bit */
	88	# define CRYPTO_MEM_CHECK_ENABLE 0x2 /* Control and mode bit */
	89	# define CRYPTO_MEM_CHECK_DISABLE 0x3 /* Control only */
	90
	91	struct crypto_ex_data_st {
	92	STACK_OF(void) *sk;
	93	};
	94	DEFINE_STACK_OF(void)
	95
	96	/*
	97	* Per class, we have a STACK of function pointers.
	98	*/
	99	# define CRYPTO_EX_INDEX_SSL 0
	100	# define CRYPTO_EX_INDEX_SSL_CTX 1
	101	# define CRYPTO_EX_INDEX_SSL_SESSION 2
	102	# define CRYPTO_EX_INDEX_X509 3
	103	# define CRYPTO_EX_INDEX_X509_STORE 4
	104	# define CRYPTO_EX_INDEX_X509_STORE_CTX 5
	105	# define CRYPTO_EX_INDEX_DH 6
	106	# define CRYPTO_EX_INDEX_DSA 7
	107	# define CRYPTO_EX_INDEX_EC_KEY 8
	108	# define CRYPTO_EX_INDEX_RSA 9
	109	# define CRYPTO_EX_INDEX_ENGINE 10
	110	# define CRYPTO_EX_INDEX_UI 11
	111	# define CRYPTO_EX_INDEX_BIO 12
	112	# define CRYPTO_EX_INDEX_APP 13
	113	# define CRYPTO_EX_INDEX__COUNT 14
	114
	115	/*
	116	* This is the default callbacks, but we can have others as well: this is
	117	* needed in Win32 where the application malloc and the library malloc may
	118	* not be the same.
	119	*/
	120	#define OPENSSL_malloc_init() \
	121	CRYPTO_set_mem_functions(CRYPTO_malloc, CRYPTO_realloc, CRYPTO_free)
	122
	123	int CRYPTO_mem_ctrl(int mode);
	124
	125	# define OPENSSL_malloc(num) \
	126	CRYPTO_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
	127	# define OPENSSL_zalloc(num) \
	128	CRYPTO_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
	129	# define OPENSSL_realloc(addr, num) \
	130	CRYPTO_realloc(addr, num, OPENSSL_FILE, OPENSSL_LINE)
	131	# define OPENSSL_clear_realloc(addr, old_num, num) \
	132	CRYPTO_clear_realloc(addr, old_num, num, OPENSSL_FILE, OPENSSL_LINE)
	133	# define OPENSSL_clear_free(addr, num) \
	134	CRYPTO_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
	135	# define OPENSSL_free(addr) \
	136	CRYPTO_free(addr, OPENSSL_FILE, OPENSSL_LINE)
	137	# define OPENSSL_memdup(str, s) \
	138	CRYPTO_memdup((str), s, OPENSSL_FILE, OPENSSL_LINE)
	139	# define OPENSSL_strdup(str) \
	140	CRYPTO_strdup(str, OPENSSL_FILE, OPENSSL_LINE)
	141	# define OPENSSL_strndup(str, n) \
	142	CRYPTO_strndup(str, n, OPENSSL_FILE, OPENSSL_LINE)
	143	# define OPENSSL_secure_malloc(num) \
	144	CRYPTO_secure_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
	145	# define OPENSSL_secure_zalloc(num) \
	146	CRYPTO_secure_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
	147	# define OPENSSL_secure_free(addr) \
	148	CRYPTO_secure_free(addr, OPENSSL_FILE, OPENSSL_LINE)
	149	# define OPENSSL_secure_actual_size(ptr) \
	150	CRYPTO_secure_actual_size(ptr)
	151
	152	size_t OPENSSL_strlcpy(char dst, const char src, size_t siz);
	153	size_t OPENSSL_strlcat(char dst, const char src, size_t siz);
	154	size_t OPENSSL_strnlen(const char *str, size_t maxlen);
	155	char OPENSSL_buf2hexstr(const unsigned char buffer, long len);
	156	unsigned char OPENSSL_hexstr2buf(const char str, long *len);
	157	int OPENSSL_hexchar2int(unsigned char c);
	158
	159	# define OPENSSL_MALLOC_MAX_NELEMS(type) (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))
	160
	161	unsigned long OpenSSL_version_num(void);
	162	const char *OpenSSL_version(int type);
	163	# define OPENSSL_VERSION 0
	164	# define OPENSSL_CFLAGS 1
	165	# define OPENSSL_BUILT_ON 2
	166	# define OPENSSL_PLATFORM 3
	167	# define OPENSSL_DIR 4
	168	# define OPENSSL_ENGINES_DIR 5
	169
	170	int OPENSSL_issetugid(void);
	171
	172	typedef void CRYPTO_EX_new (void parent, void ptr, CRYPTO_EX_DATA *ad,
	173	int idx, long argl, void *argp);
	174	typedef void CRYPTO_EX_free (void parent, void ptr, CRYPTO_EX_DATA *ad,
	175	int idx, long argl, void *argp);
	176	typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA to, CRYPTO_EX_DATA from,
	177	void srcp, int idx, long argl, void argp);
	178	__owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
	179	CRYPTO_EX_new new_func, CRYPTO_EX_dup dup_func,
	180	CRYPTO_EX_free *free_func);
	181	/* No longer use an index. */
	182	int CRYPTO_free_ex_index(int class_index, int idx);
	183
	184	/*
	185	* Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
	186	* given class (invokes whatever per-class callbacks are applicable)
	187	*/
	188	int CRYPTO_new_ex_data(int class_index, void obj, CRYPTO_EX_DATA ad);
	189	int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
	190	CRYPTO_EX_DATA *from);
	191
	192	void CRYPTO_free_ex_data(int class_index, void obj, CRYPTO_EX_DATA ad);
	193
	194	/*
	195	* Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
	196	* index (relative to the class type involved)
	197	*/
	198	int CRYPTO_set_ex_data(CRYPTO_EX_DATA ad, int idx, void val);
	199	void CRYPTO_get_ex_data(const CRYPTO_EX_DATA ad, int idx);
	200
	201	# if OPENSSL_API_COMPAT < 0x10100000L
	202	/*
	203	* This function cleans up all "ex_data" state. It mustn't be called under
	204	* potential race-conditions.
	205	*/
	206	# define CRYPTO_cleanup_all_ex_data() while(0) continue
	207
	208	/*
	209	* The old locking functions have been removed completely without compatibility
	210	* macros. This is because the old functions either could not properly report
	211	* errors, or the returned error values were not clearly documented.
	212	* Replacing the locking functions with with no-ops would cause race condition
	213	* issues in the affected applications. It is far better for them to fail at
	214	* compile time.
	215	* On the other hand, the locking callbacks are no longer used. Consequently,
	216	* the callback management functions can be safely replaced with no-op macros.
	217	*/
	218	# define CRYPTO_num_locks() (0)
	219	# define CRYPTO_set_locking_callback(func)
	220	# define CRYPTO_get_locking_callback() (NULL)
	221	# define CRYPTO_set_add_lock_callback(func)
	222	# define CRYPTO_get_add_lock_callback() (NULL)
	223
	224	/* This structure is no longer used */
	225	typedef struct crypto_threadid_st {
	226	int dummy;
	227	} CRYPTO_THREADID;
	228	/* Only use CRYPTO_THREADID_set_[numeric\|pointer]() within callbacks */
	229	# define CRYPTO_THREADID_set_numeric(id, val)
	230	# define CRYPTO_THREADID_set_pointer(id, ptr)
	231	# define CRYPTO_THREADID_set_callback(threadid_func) (0)
	232	# define CRYPTO_THREADID_get_callback() (NULL)
	233	# define CRYPTO_THREADID_current(id)
	234	# define CRYPTO_THREADID_cmp(a, b) (-1)
	235	# define CRYPTO_THREADID_cpy(dest, src)
	236	# define CRYPTO_THREADID_hash(id) (0UL)
	237
	238	# if OPENSSL_API_COMPAT < 0x10000000L
	239	# define CRYPTO_set_id_callback(func)
	240	# define CRYPTO_get_id_callback() (NULL)
	241	# define CRYPTO_thread_id() (0UL)
	242	# endif /* OPENSSL_API_COMPAT < 0x10000000L */
	243
	244	# define CRYPTO_set_dynlock_create_callback(dyn_create_function)
	245	# define CRYPTO_set_dynlock_lock_callback(dyn_lock_function)
	246	# define CRYPTO_set_dynlock_destroy_callback(dyn_destroy_function)
	247	# define CRYPTO_get_dynlock_create_callback() (NULL)
	248	# define CRYPTO_get_dynlock_lock_callback() (NULL)
	249	# define CRYPTO_get_dynlock_destroy_callback() (NULL)
	250	# endif /* OPENSSL_API_COMPAT < 0x10100000L */
	251
	252	int CRYPTO_set_mem_functions(
	253	void (m) (size_t, const char *, int),
	254	void (r) (void , size_t, const char , int),
	255	void (f) (void , const char *, int));
	256	int CRYPTO_set_mem_debug(int flag);
	257	void CRYPTO_get_mem_functions(
	258	void (m) (size_t, const char , int),
	259	void (r) (void , size_t, const char *, int),
	260	void (*f) (void , const char *, int));
	261
	262	void CRYPTO_malloc(size_t num, const char file, int line);
	263	void CRYPTO_zalloc(size_t num, const char file, int line);
	264	void CRYPTO_memdup(const void str, size_t siz, const char *file, int line);
	265	char CRYPTO_strdup(const char str, const char *file, int line);
	266	char CRYPTO_strndup(const char str, size_t s, const char *file, int line);
	267	void CRYPTO_free(void ptr, const char file, int line);
	268	void CRYPTO_clear_free(void ptr, size_t num, const char file, int line);
	269	void CRYPTO_realloc(void addr, size_t num, const char *file, int line);
	270	void CRYPTO_clear_realloc(void addr, size_t old_num, size_t num,
	271	const char *file, int line);
	272
	273	int CRYPTO_secure_malloc_init(size_t sz, int minsize);
	274	int CRYPTO_secure_malloc_done(void);
	275	void CRYPTO_secure_malloc(size_t num, const char file, int line);
	276	void CRYPTO_secure_zalloc(size_t num, const char file, int line);
	277	void CRYPTO_secure_free(void ptr, const char file, int line);
	278	int CRYPTO_secure_allocated(const void *ptr);
	279	int CRYPTO_secure_malloc_initialized(void);
	280	size_t CRYPTO_secure_actual_size(void *ptr);
	281	size_t CRYPTO_secure_used(void);
	282
	283	void OPENSSL_cleanse(void *ptr, size_t len);
	284
	285	# ifndef OPENSSL_NO_CRYPTO_MDEBUG
	286	# define OPENSSL_mem_debug_push(info) \
	287	CRYPTO_mem_debug_push(info, OPENSSL_FILE, OPENSSL_LINE)
	288	# define OPENSSL_mem_debug_pop() \
	289	CRYPTO_mem_debug_pop()
	290	int CRYPTO_mem_debug_push(const char info, const char file, int line);
	291	int CRYPTO_mem_debug_pop(void);
	292
	293	/*-
	294	* Debugging functions (enabled by CRYPTO_set_mem_debug(1))
	295	* The flag argument has the following significance:
	296	* 0: called before the actual memory allocation has taken place
	297	* 1: called after the actual memory allocation has taken place
	298	*/
	299	void CRYPTO_mem_debug_malloc(void *addr, size_t num, int flag,
	300	const char *file, int line);
	301	void CRYPTO_mem_debug_realloc(void addr1, void addr2, size_t num, int flag,
	302	const char *file, int line);
	303	void CRYPTO_mem_debug_free(void *addr, int flag,
	304	const char *file, int line);
	305
	306	# ifndef OPENSSL_NO_STDIO
	307	int CRYPTO_mem_leaks_fp(FILE *);
	308	# endif
	309	int CRYPTO_mem_leaks(BIO *bio);
	310	# endif
	311
	312	/* die if we have to */
	313	ossl_noreturn void OPENSSL_die(const char assertion, const char file, int line);
	314	# if OPENSSL_API_COMPAT < 0x10100000L
	315	# define OpenSSLDie(f,l,a) OPENSSL_die((a),(f),(l))
	316	# endif
	317	# define OPENSSL_assert(e) \
	318	(void)((e) ? 0 : (OPENSSL_die("assertion failed: " #e, OPENSSL_FILE, OPENSSL_LINE), 1))
	319
	320	int OPENSSL_isservice(void);
	321
	322	int FIPS_mode(void);
	323	int FIPS_mode_set(int r);
	324
	325	void OPENSSL_init(void);
	326
	327	struct tm OPENSSL_gmtime(const time_t timer, struct tm *result);
	328	int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
	329	int OPENSSL_gmtime_diff(int pday, int psec,
	330	const struct tm from, const struct tm to);
	331
	332	/*
	333	* CRYPTO_memcmp returns zero iff the \|len\| bytes at \|a\| and \|b\| are equal.
	334	* It takes an amount of time dependent on \|len\|, but independent of the
	335	* contents of \|a\| and \|b\|. Unlike memcmp, it cannot be used to put elements
	336	* into a defined order as the return value when a != b is undefined, other
	337	* than to be non-zero.
	338	*/
	339	int CRYPTO_memcmp(const volatile void * volatile in_a,
	340	const volatile void * volatile in_b,
	341	size_t len);
	342
	343	/* Standard initialisation options */
	344	# define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0x00000001L
	345	# define OPENSSL_INIT_LOAD_CRYPTO_STRINGS 0x00000002L
	346	# define OPENSSL_INIT_ADD_ALL_CIPHERS 0x00000004L
	347	# define OPENSSL_INIT_ADD_ALL_DIGESTS 0x00000008L
	348	# define OPENSSL_INIT_NO_ADD_ALL_CIPHERS 0x00000010L
	349	# define OPENSSL_INIT_NO_ADD_ALL_DIGESTS 0x00000020L
	350	# define OPENSSL_INIT_LOAD_CONFIG 0x00000040L
	351	# define OPENSSL_INIT_NO_LOAD_CONFIG 0x00000080L
	352	# define OPENSSL_INIT_ASYNC 0x00000100L
	353	# define OPENSSL_INIT_ENGINE_RDRAND 0x00000200L
	354	# define OPENSSL_INIT_ENGINE_DYNAMIC 0x00000400L
	355	# define OPENSSL_INIT_ENGINE_OPENSSL 0x00000800L
	356	# define OPENSSL_INIT_ENGINE_CRYPTODEV 0x00001000L
	357	# define OPENSSL_INIT_ENGINE_CAPI 0x00002000L
	358	# define OPENSSL_INIT_ENGINE_PADLOCK 0x00004000L
	359	# define OPENSSL_INIT_ENGINE_DASYNC 0x00008000L
	360	/* OPENSSL_INIT flag 0x00010000 reserved for internal use */
	361	# define OPENSSL_INIT_ENGINE_AFALG 0x00020000L
	362	/* OPENSSL_INIT flag range 0xfff00000 reserved for OPENSSL_init_ssl() */
	363	/* Max OPENSSL_INIT flag value is 0x80000000 */
	364
	365	/* openssl and dasync not counted as builtin */
	366	# define OPENSSL_INIT_ENGINE_ALL_BUILTIN \
	367	(OPENSSL_INIT_ENGINE_RDRAND \| OPENSSL_INIT_ENGINE_DYNAMIC \
	368	\| OPENSSL_INIT_ENGINE_CRYPTODEV \| OPENSSL_INIT_ENGINE_CAPI \| \
	369	OPENSSL_INIT_ENGINE_PADLOCK)
	370
	371
	372	/* Library initialisation functions */
	373	void OPENSSL_cleanup(void);
	374	int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
	375	int OPENSSL_atexit(void (*handler)(void));
	376	void OPENSSL_thread_stop(void);
	377
	378	/* Low-level control of initialization */
	379	OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void);
	380	#ifndef OPENSSL_NO_STDIO
	381	int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
	382	const char *config_file);
	383	#endif
	384	void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings);
	385
	386	# if !defined(OPENSSL_THREADS) \|\| defined(CRYPTO_TDEBUG)
	387	typedef unsigned int CRYPTO_ONCE;
	388	typedef unsigned int CRYPTO_THREAD_LOCAL;
	389	typedef unsigned int CRYPTO_THREAD_ID;
	390
	391	# define CRYPTO_ONCE_STATIC_INIT 0
	392	# elif defined(OPENSSL_SYS_WINDOWS)
	393	# include <windows.h>
	394	typedef DWORD CRYPTO_THREAD_LOCAL;
	395	typedef DWORD CRYPTO_THREAD_ID;
	396
	397	typedef LONG CRYPTO_ONCE;
	398	# define CRYPTO_ONCE_STATIC_INIT 0
	399
	400	# else
	401	# include <pthread.h>
	402	typedef pthread_once_t CRYPTO_ONCE;
	403	typedef pthread_key_t CRYPTO_THREAD_LOCAL;
	404	typedef pthread_t CRYPTO_THREAD_ID;
	405
	406	# define CRYPTO_ONCE_STATIC_INIT PTHREAD_ONCE_INIT
	407	# endif
	408
	409	int CRYPTO_THREAD_run_once(CRYPTO_ONCE once, void (init)(void));
	410
	411	int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL key, void (cleanup)(void *));
	412	void CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL key);
	413	int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL key, void val);
	414	int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key);
	415
	416	CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void);
	417	int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b);
	418
	419	/* BEGIN ERROR CODES */
	420	/*
	421	* The following lines are auto generated by the script mkerr.pl. Any changes
	422	* made after this point may be overwritten when the script is next run.
	423	*/
	424
	425	void ERR_load_CRYPTO_strings(void);
	426
	427	/* Error codes for the CRYPTO functions. */
	428
	429	/* Function codes. */
	430	# define CRYPTO_F_CRYPTO_DUP_EX_DATA 110
	431	# define CRYPTO_F_CRYPTO_FREE_EX_DATA 111
	432	# define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX 100
	433	# define CRYPTO_F_CRYPTO_MEMDUP 115
	434	# define CRYPTO_F_CRYPTO_NEW_EX_DATA 112
	435	# define CRYPTO_F_CRYPTO_SET_EX_DATA 102
	436	# define CRYPTO_F_FIPS_MODE_SET 109
	437	# define CRYPTO_F_GET_AND_LOCK 113
	438	# define CRYPTO_F_OPENSSL_BUF2HEXSTR 117
	439	# define CRYPTO_F_OPENSSL_HEXSTR2BUF 118
	440	# define CRYPTO_F_OPENSSL_INIT_CRYPTO 116
	441
	442	/* Reason codes. */
	443	# define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED 101
	444	# define CRYPTO_R_ILLEGAL_HEX_DIGIT 102
	445	# define CRYPTO_R_ODD_NUMBER_OF_DIGITS 103
	446
	447	# ifdef __cplusplus
	448	}
	449	# endif
	450	#endif