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C

/*
* Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2002, Oracle and/or its affiliates. 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
*/
#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/safestack.h>
# include <openssl/opensslv.h>
# include <openssl/ossl_typ.h>
# include <openssl/opensslconf.h>
# include <openssl/cryptoerr.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_UI_METHOD 14
# define CRYPTO_EX_INDEX_DRBG 15
# define CRYPTO_EX_INDEX__COUNT 16
/* No longer needed, so this is a no-op */
#define OPENSSL_malloc_init() while(0) continue
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_clear_free(addr, num) \
CRYPTO_secure_clear_free(addr, num, 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, const CRYPTO_EX_DATA *from,
void *from_d, 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,
const 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 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() (1)
# 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)
/*
* These defines where used in combination with the old locking callbacks,
* they are not called anymore, but old code that's not called might still
* use them.
*/
# define CRYPTO_LOCK 1
# define CRYPTO_UNLOCK 2
# define CRYPTO_READ 4
# define CRYPTO_WRITE 8
/* 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);
void CRYPTO_secure_clear_free(void *ptr, size_t num,
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);
void CRYPTO_get_alloc_counts(int *mcount, int *rcount, int *fcount);
/*-
* 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);
int CRYPTO_mem_leaks_cb(int (*cb) (const char *str, size_t len, void *u),
void *u);
# 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);
# ifdef OPENSSL_SYS_UNIX
void OPENSSL_fork_prepare(void);
void OPENSSL_fork_parent(void);
void OPENSSL_fork_child(void);
# endif
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 void * in_a, const void * 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_AFALG 0x00008000L
/* OPENSSL_INIT_ZLIB 0x00010000L */
# define OPENSSL_INIT_ATFORK 0x00020000L
/* OPENSSL_INIT_BASE_ONLY 0x00040000L */
# define OPENSSL_INIT_NO_ATEXIT 0x00080000L
/* 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_filename(OPENSSL_INIT_SETTINGS *settings,
const char *config_filename);
void OPENSSL_INIT_set_config_file_flags(OPENSSL_INIT_SETTINGS *settings,
unsigned long flags);
int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
const char *config_appname);
# endif
void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings);
# if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
# if defined(_WIN32)
# if defined(BASETYPES) || defined(_WINDEF_H)
/* application has to include <windows.h> in order to use this */
typedef DWORD CRYPTO_THREAD_LOCAL;
typedef DWORD CRYPTO_THREAD_ID;
typedef LONG CRYPTO_ONCE;
# define CRYPTO_ONCE_STATIC_INIT 0
# endif
# 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
# endif
# if !defined(CRYPTO_ONCE_STATIC_INIT)
typedef unsigned int CRYPTO_ONCE;
typedef unsigned int CRYPTO_THREAD_LOCAL;
typedef unsigned int CRYPTO_THREAD_ID;
# define CRYPTO_ONCE_STATIC_INIT 0
# 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);
# ifdef __cplusplus
}
# endif
#endif