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openssl/include/internal/cryptlib.h

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/*
* Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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 OSSL_INTERNAL_CRYPTLIB_H
# define OSSL_INTERNAL_CRYPTLIB_H
# include <stdlib.h>
# include <string.h>
# ifdef OPENSSL_USE_APPLINK
# define BIO_FLAGS_UPLINK_INTERNAL 0x8000
# include "ms/uplink.h"
# else
# define BIO_FLAGS_UPLINK_INTERNAL 0
# endif
# include <openssl/crypto.h>
# include <openssl/buffer.h>
# include <openssl/bio.h>
# include <openssl/asn1.h>
# include <openssl/err.h>
# include "internal/nelem.h"
#ifdef NDEBUG
# define ossl_assert(x) ((x) != 0)
#else
__owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr,
const char *file, int line)
{
if (!expr)
OPENSSL_die(exprstr, file, line);
return expr;
}
# define ossl_assert(x) ossl_assert_int((x) != 0, "Assertion failed: "#x, \
__FILE__, __LINE__)
#endif
/*
* Use this inside a union with the field that needs to be aligned to a
* reasonable boundary for the platform. The most pessimistic alignment
* of the listed types will be used by the compiler.
*/
# define OSSL_UNION_ALIGN \
double align; \
ossl_uintmax_t align_int; \
void *align_ptr
typedef struct ex_callback_st EX_CALLBACK;
DEFINE_STACK_OF(EX_CALLBACK)
typedef struct mem_st MEM;
DEFINE_LHASH_OF(MEM);
# define OPENSSL_CONF "openssl.cnf"
# ifndef OPENSSL_SYS_VMS
# define X509_CERT_AREA OPENSSLDIR
# define X509_CERT_DIR OPENSSLDIR "/certs"
# define X509_CERT_FILE OPENSSLDIR "/cert.pem"
# define X509_PRIVATE_DIR OPENSSLDIR "/private"
# define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf"
# else
# define X509_CERT_AREA "OSSL$DATAROOT:[000000]"
# define X509_CERT_DIR "OSSL$DATAROOT:[CERTS]"
# define X509_CERT_FILE "OSSL$DATAROOT:[000000]cert.pem"
# define X509_PRIVATE_DIR "OSSL$DATAROOT:[PRIVATE]"
# define CTLOG_FILE "OSSL$DATAROOT:[000000]ct_log_list.cnf"
# endif
# define X509_CERT_DIR_EVP "SSL_CERT_DIR"
# define X509_CERT_FILE_EVP "SSL_CERT_FILE"
# define CTLOG_FILE_EVP "CTLOG_FILE"
/* size of string representations */
# define DECIMAL_SIZE(type) ((sizeof(type)*8+2)/3+1)
# define HEX_SIZE(type) (sizeof(type)*2)
void OPENSSL_cpuid_setup(void);
#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(__x86_64__) || \
defined(_M_AMD64) || defined(_M_X64)
extern unsigned int OPENSSL_ia32cap_P[];
#endif
void OPENSSL_showfatal(const char *fmta, ...);
int do_ex_data_init(OPENSSL_CTX *ctx);
void crypto_cleanup_all_ex_data_int(OPENSSL_CTX *ctx);
int openssl_init_fork_handlers(void);
int openssl_get_fork_id(void);
char *ossl_safe_getenv(const char *name);
extern CRYPTO_RWLOCK *memdbg_lock;
int openssl_strerror_r(int errnum, char *buf, size_t buflen);
# if !defined(OPENSSL_NO_STDIO)
FILE *openssl_fopen(const char *filename, const char *mode);
# else
void *openssl_fopen(const char *filename, const char *mode);
# endif
uint32_t OPENSSL_rdtsc(void);
size_t OPENSSL_instrument_bus(unsigned int *, size_t);
size_t OPENSSL_instrument_bus2(unsigned int *, size_t, size_t);
/* ex_data structures */
/*
* Each structure type (sometimes called a class), that supports
* exdata has a stack of callbacks for each instance.
*/
struct ex_callback_st {
long argl; /* Arbitrary long */
void *argp; /* Arbitrary void * */
CRYPTO_EX_new *new_func;
CRYPTO_EX_free *free_func;
CRYPTO_EX_dup *dup_func;
};
/*
* The state for each class. This could just be a typedef, but
* a structure allows future changes.
*/
typedef struct ex_callbacks_st {
STACK_OF(EX_CALLBACK) *meth;
} EX_CALLBACKS;
typedef struct ossl_ex_data_global_st {
CRYPTO_RWLOCK *ex_data_lock;
EX_CALLBACKS ex_data[CRYPTO_EX_INDEX__COUNT];
} OSSL_EX_DATA_GLOBAL;
/* OPENSSL_CTX */
# define OPENSSL_CTX_PROVIDER_STORE_RUN_ONCE_INDEX 0
# define OPENSSL_CTX_DEFAULT_METHOD_STORE_RUN_ONCE_INDEX 1
# define OPENSSL_CTX_METHOD_STORE_RUN_ONCE_INDEX 2
# define OPENSSL_CTX_MAX_RUN_ONCE 3
# define OPENSSL_CTX_EVP_METHOD_STORE_INDEX 0
# define OPENSSL_CTX_PROVIDER_STORE_INDEX 1
# define OPENSSL_CTX_PROPERTY_DEFN_INDEX 2
# define OPENSSL_CTX_PROPERTY_STRING_INDEX 3
# define OPENSSL_CTX_NAMEMAP_INDEX 4
# define OPENSSL_CTX_DRBG_INDEX 5
# define OPENSSL_CTX_DRBG_NONCE_INDEX 6
# define OPENSSL_CTX_RAND_CRNGT_INDEX 7
# define OPENSSL_CTX_THREAD_EVENT_HANDLER_INDEX 8
# define OPENSSL_CTX_FIPS_PROV_INDEX 9
# define OPENSSL_CTX_SERIALIZER_STORE_INDEX 10
# define OPENSSL_CTX_SELF_TEST_CB_INDEX 11
# define OPENSSL_CTX_BIO_PROV_INDEX 12
# define OPENSSL_CTX_GLOBAL_PROPERTIES 13
# define OPENSSL_CTX_MAX_INDEXES 14
typedef struct openssl_ctx_method {
void *(*new_func)(OPENSSL_CTX *ctx);
void (*free_func)(void *);
} OPENSSL_CTX_METHOD;
OPENSSL_CTX *openssl_ctx_get_concrete(OPENSSL_CTX *ctx);
int openssl_ctx_is_default(OPENSSL_CTX *ctx);
int openssl_ctx_is_global_default(OPENSSL_CTX *ctx);
/* Functions to retrieve pointers to data by index */
void *openssl_ctx_get_data(OPENSSL_CTX *, int /* index */,
const OPENSSL_CTX_METHOD * ctx);
void openssl_ctx_default_deinit(void);
OSSL_EX_DATA_GLOBAL *openssl_ctx_get_ex_data_global(OPENSSL_CTX *ctx);
typedef int (openssl_ctx_run_once_fn)(OPENSSL_CTX *ctx);
typedef void (openssl_ctx_onfree_fn)(OPENSSL_CTX *ctx);
int openssl_ctx_run_once(OPENSSL_CTX *ctx, unsigned int idx,
openssl_ctx_run_once_fn run_once_fn);
int openssl_ctx_onfree(OPENSSL_CTX *ctx, openssl_ctx_onfree_fn onfreefn);
OPENSSL_CTX *crypto_ex_data_get_openssl_ctx(const CRYPTO_EX_DATA *ad);
int crypto_new_ex_data_ex(OPENSSL_CTX *ctx, int class_index, void *obj,
CRYPTO_EX_DATA *ad);
int crypto_get_ex_new_index_ex(OPENSSL_CTX *ctx, int class_index,
long argl, void *argp,
CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func,
CRYPTO_EX_free *free_func);
int crypto_free_ex_index_ex(OPENSSL_CTX *ctx, int class_index, int idx);
/* Function for simple binary search */
/* Flags */
# define OSSL_BSEARCH_VALUE_ON_NOMATCH 0x01
# define OSSL_BSEARCH_FIRST_VALUE_ON_MATCH 0x02
const void *ossl_bsearch(const void *key, const void *base, int num,
int size, int (*cmp) (const void *, const void *),
int flags);
/* system-specific variants defining ossl_sleep() */
#ifdef OPENSSL_SYS_UNIX
# include <unistd.h>
static ossl_inline void ossl_sleep(unsigned long millis)
{
# ifdef OPENSSL_SYS_VXWORKS
struct timespec ts;
ts.tv_sec = (long int) (millis / 1000);
ts.tv_nsec = (long int) (millis % 1000) * 1000000ul;
nanosleep(&ts, NULL);
# else
usleep(millis * 1000);
# endif
}
#elif defined(_WIN32)
# include <windows.h>
static ossl_inline void ossl_sleep(unsigned long millis)
{
Sleep(millis);
}
#else
/* Fallback to a busy wait */
static ossl_inline void ossl_sleep(unsigned long millis)
{
struct timeval start, now;
unsigned long elapsedms;
gettimeofday(&start, NULL);
do {
gettimeofday(&now, NULL);
elapsedms = (((now.tv_sec - start.tv_sec) * 1000000)
+ now.tv_usec - start.tv_usec) / 1000;
} while (elapsedms < millis);
}
#endif /* defined OPENSSL_SYS_UNIX */
char *sk_ASN1_UTF8STRING2text(STACK_OF(ASN1_UTF8STRING) *text, const char *sep,
size_t max_len);
char *ipaddr_to_asc(unsigned char *p, int len);
char *openssl_buf2hexstr_sep(const unsigned char *buf, long buflen, char sep);
unsigned char *openssl_hexstr2buf_sep(const char *str, long *buflen,
const char sep);
#endif
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