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openssl/include/internal/cryptlib.h

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/*
* Copyright 1995-2021 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
# pragma once
# 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 ossl_do_ex_data_init(OSSL_LIB_CTX *ctx);
void ossl_crypto_cleanup_all_ex_data_int(OSSL_LIB_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;
/* OSSL_LIB_CTX */
# define OSSL_LIB_CTX_PROVIDER_STORE_RUN_ONCE_INDEX 0
# define OSSL_LIB_CTX_DEFAULT_METHOD_STORE_RUN_ONCE_INDEX 1
# define OSSL_LIB_CTX_METHOD_STORE_RUN_ONCE_INDEX 2
# define OSSL_LIB_CTX_MAX_RUN_ONCE 3
# define OSSL_LIB_CTX_EVP_METHOD_STORE_INDEX 0
# define OSSL_LIB_CTX_PROVIDER_STORE_INDEX 1
# define OSSL_LIB_CTX_PROPERTY_DEFN_INDEX 2
# define OSSL_LIB_CTX_PROPERTY_STRING_INDEX 3
# define OSSL_LIB_CTX_NAMEMAP_INDEX 4
# define OSSL_LIB_CTX_DRBG_INDEX 5
# define OSSL_LIB_CTX_DRBG_NONCE_INDEX 6
# define OSSL_LIB_CTX_RAND_CRNGT_INDEX 7
# define OSSL_LIB_CTX_THREAD_EVENT_HANDLER_INDEX 8
# define OSSL_LIB_CTX_FIPS_PROV_INDEX 9
# define OSSL_LIB_CTX_ENCODER_STORE_INDEX 10
# define OSSL_LIB_CTX_DECODER_STORE_INDEX 11
# define OSSL_LIB_CTX_SELF_TEST_CB_INDEX 12
# define OSSL_LIB_CTX_BIO_PROV_INDEX 13
# define OSSL_LIB_CTX_GLOBAL_PROPERTIES 14
# define OSSL_LIB_CTX_STORE_LOADER_STORE_INDEX 15
# define OSSL_LIB_CTX_MAX_INDEXES 16
typedef struct ossl_lib_ctx_method {
void *(*new_func)(OSSL_LIB_CTX *ctx);
void (*free_func)(void *);
} OSSL_LIB_CTX_METHOD;
OSSL_LIB_CTX *ossl_lib_ctx_get_concrete(OSSL_LIB_CTX *ctx);
int ossl_lib_ctx_is_default(OSSL_LIB_CTX *ctx);
int ossl_lib_ctx_is_global_default(OSSL_LIB_CTX *ctx);
/* Functions to retrieve pointers to data by index */
void *ossl_lib_ctx_get_data(OSSL_LIB_CTX *, int /* index */,
const OSSL_LIB_CTX_METHOD * ctx);
void ossl_lib_ctx_default_deinit(void);
OSSL_EX_DATA_GLOBAL *ossl_lib_ctx_get_ex_data_global(OSSL_LIB_CTX *ctx);
typedef int (ossl_lib_ctx_run_once_fn)(OSSL_LIB_CTX *ctx);
typedef void (ossl_lib_ctx_onfree_fn)(OSSL_LIB_CTX *ctx);
int ossl_lib_ctx_run_once(OSSL_LIB_CTX *ctx, unsigned int idx,
ossl_lib_ctx_run_once_fn run_once_fn);
int ossl_lib_ctx_onfree(OSSL_LIB_CTX *ctx, ossl_lib_ctx_onfree_fn onfreefn);
const char *ossl_lib_ctx_get_descriptor(OSSL_LIB_CTX *libctx);
OSSL_LIB_CTX *ossl_crypto_ex_data_get_ossl_lib_ctx(const CRYPTO_EX_DATA *ad);
int ossl_crypto_new_ex_data_ex(OSSL_LIB_CTX *ctx, int class_index, void *obj,
CRYPTO_EX_DATA *ad);
int ossl_crypto_get_ex_new_index_ex(OSSL_LIB_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 ossl_crypto_free_ex_index_ex(OSSL_LIB_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);
# elif defined(__TANDEM)
# if !defined(_REENTRANT)
# include <cextdecs.h(PROCESS_DELAY_)>
/* HPNS does not support usleep for non threaded apps */
PROCESS_DELAY_(millis * 1000);
# elif defined(_SPT_MODEL_)
# include <spthread.h>
# include <spt_extensions.h>
usleep(millis * 1000);
# else
usleep(millis * 1000);
# endif
# 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 *ossl_sk_ASN1_UTF8STRING2text(STACK_OF(ASN1_UTF8STRING) *text,
const char *sep, size_t max_len);
char *ossl_ipaddr_to_asc(unsigned char *p, int len);
char *ossl_buf2hexstr_sep(const unsigned char *buf, long buflen, char sep);
unsigned char *ossl_hexstr2buf_sep(const char *str, long *buflen,
const char sep);
static ossl_inline int ossl_ends_with_dirsep(const char *path)
{
if (*path != '\0')
path += strlen(path) - 1;
# if defined __VMS
if (*path == ']' || *path == '>' || *path == ':')
return 1;
# elif defined _WIN32
if (*path == '\\')
return 1;
# endif
return *path == '/';
}
static ossl_inline int ossl_is_absolute_path(const char *path)
{
# if defined __VMS
if (strchr(path, ':') != NULL
|| ((path[0] == '[' || path[0] == '<')
&& path[1] != '.' && path[1] != '-'
&& path[1] != ']' && path[1] != '>'))
return 1;
# elif defined _WIN32
if (path[0] == '\\'
|| (path[0] != '\0' && path[1] == ':'))
return 1;
# endif
return path[0] == '/';
}
#endif
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