include/openssl/crypto.h.in

   1 /*
   2  * {- join("\n * ", @autowarntext) -}
   3  *
   4  * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
   5  * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
   6  *
   7  * Licensed under the Apache License 2.0 (the "License").  You may not use
   8  * this file except in compliance with the License.  You can obtain a copy
   9  * in the file LICENSE in the source distribution or at
  10  * https://www.openssl.org/source/license.html
  11  */
  12
  13 {-
  14 use OpenSSL::stackhash qw(generate_stack_macros);
  15 -}
  16
  17 #ifndef OPENSSL_CRYPTO_H
  18 # define OPENSSL_CRYPTO_H
  19 # pragma once
  20
  21 # include <openssl/macros.h>
  22 # ifndef OPENSSL_NO_DEPRECATED_3_0
  23 #  define HEADER_CRYPTO_H
  24 # endif
  25
  26 # include <stdlib.h>
  27 # include <time.h>
  28
  29 # include <openssl/e_os2.h>
  30
  31 # ifndef OPENSSL_NO_STDIO
  32 #  include <stdio.h>
  33 # endif
  34
  35 # include <openssl/safestack.h>
  36 # include <openssl/opensslv.h>
  37 # include <openssl/types.h>
  38 # include <openssl/opensslconf.h>
  39 # include <openssl/cryptoerr.h>
  40 # include <openssl/core.h>
  41
  42 # ifdef CHARSET_EBCDIC
  43 #  include <openssl/ebcdic.h>
  44 # endif
  45
  46 /*
  47  * Resolve problems on some operating systems with symbol names that clash
  48  * one way or another
  49  */
  50 # include <openssl/symhacks.h>
  51
  52 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
  53 #  include <openssl/opensslv.h>
  54 # endif
  55
  56 #ifdef  __cplusplus
  57 extern "C" {
  58 #endif
  59
  60 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
  61 #  define SSLeay                  OpenSSL_version_num
  62 #  define SSLeay_version          OpenSSL_version
  63 #  define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
  64 #  define SSLEAY_VERSION          OPENSSL_VERSION
  65 #  define SSLEAY_CFLAGS           OPENSSL_CFLAGS
  66 #  define SSLEAY_BUILT_ON         OPENSSL_BUILT_ON
  67 #  define SSLEAY_PLATFORM         OPENSSL_PLATFORM
  68 #  define SSLEAY_DIR              OPENSSL_DIR
  69
  70 /*
  71  * Old type for allocating dynamic locks. No longer used. Use the new thread
  72  * API instead.
  73  */
  74 typedef struct {
  75     int dummy;
  76 } CRYPTO_dynlock;
  77
  78 # endif /* OPENSSL_NO_DEPRECATED_1_1_0 */
  79
  80 typedef void CRYPTO_RWLOCK;
  81
  82 CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void);
  83 __owur int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock);
  84 __owur int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock);
  85 int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock);
  86 void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock);
  87
  88 int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock);
  89 int CRYPTO_atomic_or(uint64_t *val, uint64_t op, uint64_t *ret,
  90                      CRYPTO_RWLOCK *lock);
  91 int CRYPTO_atomic_load(uint64_t *val, uint64_t *ret, CRYPTO_RWLOCK *lock);
  92
  93 /* No longer needed, so this is a no-op */
  94 #define OPENSSL_malloc_init() while(0) continue
  95
  96 # define OPENSSL_malloc(num) \
  97         CRYPTO_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
  98 # define OPENSSL_zalloc(num) \
  99         CRYPTO_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
 100 # define OPENSSL_realloc(addr, num) \
 101         CRYPTO_realloc(addr, num, OPENSSL_FILE, OPENSSL_LINE)
 102 # define OPENSSL_clear_realloc(addr, old_num, num) \
 103         CRYPTO_clear_realloc(addr, old_num, num, OPENSSL_FILE, OPENSSL_LINE)
 104 # define OPENSSL_clear_free(addr, num) \
 105         CRYPTO_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
 106 # define OPENSSL_free(addr) \
 107         CRYPTO_free(addr, OPENSSL_FILE, OPENSSL_LINE)
 108 # define OPENSSL_memdup(str, s) \
 109         CRYPTO_memdup((str), s, OPENSSL_FILE, OPENSSL_LINE)
 110 # define OPENSSL_strdup(str) \
 111         CRYPTO_strdup(str, OPENSSL_FILE, OPENSSL_LINE)
 112 # define OPENSSL_strndup(str, n) \
 113         CRYPTO_strndup(str, n, OPENSSL_FILE, OPENSSL_LINE)
 114 # define OPENSSL_secure_malloc(num) \
 115         CRYPTO_secure_malloc(num, OPENSSL_FILE, OPENSSL_LINE)
 116 # define OPENSSL_secure_zalloc(num) \
 117         CRYPTO_secure_zalloc(num, OPENSSL_FILE, OPENSSL_LINE)
 118 # define OPENSSL_secure_free(addr) \
 119         CRYPTO_secure_free(addr, OPENSSL_FILE, OPENSSL_LINE)
 120 # define OPENSSL_secure_clear_free(addr, num) \
 121         CRYPTO_secure_clear_free(addr, num, OPENSSL_FILE, OPENSSL_LINE)
 122 # define OPENSSL_secure_actual_size(ptr) \
 123         CRYPTO_secure_actual_size(ptr)
 124
 125 size_t OPENSSL_strlcpy(char *dst, const char *src, size_t siz);
 126 size_t OPENSSL_strlcat(char *dst, const char *src, size_t siz);
 127 size_t OPENSSL_strnlen(const char *str, size_t maxlen);
 128 int OPENSSL_buf2hexstr_ex(char *str, size_t str_n, size_t *strlen,
 129                           const unsigned char *buf, size_t buflen,
 130                           const char sep);
 131 char *OPENSSL_buf2hexstr(const unsigned char *buf, long buflen);
 132 int OPENSSL_hexstr2buf_ex(unsigned char *buf, size_t buf_n, size_t *buflen,
 133                           const char *str, const char sep);
 134 unsigned char *OPENSSL_hexstr2buf(const char *str, long *buflen);
 135 int OPENSSL_hexchar2int(unsigned char c);
 136
 137 # define OPENSSL_MALLOC_MAX_NELEMS(type)  (((1U<<(sizeof(int)*8-1))-1)/sizeof(type))
 138
 139 /*
 140  * These functions return the values of OPENSSL_VERSION_MAJOR,
 141  * OPENSSL_VERSION_MINOR, OPENSSL_VERSION_PATCH, OPENSSL_VERSION_PRE_RELEASE
 142  * and OPENSSL_VERSION_BUILD_METADATA, respectively.
 143  */
 144 unsigned int OPENSSL_version_major(void);
 145 unsigned int OPENSSL_version_minor(void);
 146 unsigned int OPENSSL_version_patch(void);
 147 const char *OPENSSL_version_pre_release(void);
 148 const char *OPENSSL_version_build_metadata(void);
 149
 150 unsigned long OpenSSL_version_num(void);
 151 const char *OpenSSL_version(int type);
 152 # define OPENSSL_VERSION                0
 153 # define OPENSSL_CFLAGS                 1
 154 # define OPENSSL_BUILT_ON               2
 155 # define OPENSSL_PLATFORM               3
 156 # define OPENSSL_DIR                    4
 157 # define OPENSSL_ENGINES_DIR            5
 158 # define OPENSSL_VERSION_STRING         6
 159 # define OPENSSL_FULL_VERSION_STRING    7
 160 # define OPENSSL_MODULES_DIR            8
 161 # define OPENSSL_CPU_INFO               9
 162
 163 const char *OPENSSL_info(int type);
 164 /*
 165  * The series starts at 1001 to avoid confusion with the OpenSSL_version
 166  * types.
 167  */
 168 # define OPENSSL_INFO_CONFIG_DIR                1001
 169 # define OPENSSL_INFO_ENGINES_DIR               1002
 170 # define OPENSSL_INFO_MODULES_DIR               1003
 171 # define OPENSSL_INFO_DSO_EXTENSION             1004
 172 # define OPENSSL_INFO_DIR_FILENAME_SEPARATOR    1005
 173 # define OPENSSL_INFO_LIST_SEPARATOR            1006
 174 # define OPENSSL_INFO_SEED_SOURCE               1007
 175 # define OPENSSL_INFO_CPU_SETTINGS              1008
 176
 177 int OPENSSL_issetugid(void);
 178
 179 struct crypto_ex_data_st {
 180     OSSL_LIB_CTX *ctx;
 181     STACK_OF(void) *sk;
 182 };
 183
 184 {-
 185     generate_stack_macros("void");
 186 -}
 187
 188
 189 /*
 190  * Per class, we have a STACK of function pointers.
 191  */
 192 # define CRYPTO_EX_INDEX_SSL              0
 193 # define CRYPTO_EX_INDEX_SSL_CTX          1
 194 # define CRYPTO_EX_INDEX_SSL_SESSION      2
 195 # define CRYPTO_EX_INDEX_X509             3
 196 # define CRYPTO_EX_INDEX_X509_STORE       4
 197 # define CRYPTO_EX_INDEX_X509_STORE_CTX   5
 198 # define CRYPTO_EX_INDEX_DH               6
 199 # define CRYPTO_EX_INDEX_DSA              7
 200 # define CRYPTO_EX_INDEX_EC_KEY           8
 201 # define CRYPTO_EX_INDEX_RSA              9
 202 # define CRYPTO_EX_INDEX_ENGINE          10
 203 # define CRYPTO_EX_INDEX_UI              11
 204 # define CRYPTO_EX_INDEX_BIO             12
 205 # define CRYPTO_EX_INDEX_APP             13
 206 # define CRYPTO_EX_INDEX_UI_METHOD       14
 207 # define CRYPTO_EX_INDEX_RAND_DRBG       15
 208 # define CRYPTO_EX_INDEX_DRBG            CRYPTO_EX_INDEX_RAND_DRBG
 209 # define CRYPTO_EX_INDEX_OSSL_LIB_CTX    16
 210 # define CRYPTO_EX_INDEX_EVP_PKEY        17
 211 # define CRYPTO_EX_INDEX__COUNT          18
 212
 213 typedef void CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
 214                            int idx, long argl, void *argp);
 215 typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
 216                              int idx, long argl, void *argp);
 217 typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from,
 218                            void **from_d, int idx, long argl, void *argp);
 219 __owur int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
 220                                    CRYPTO_EX_new *new_func,
 221                                    CRYPTO_EX_dup *dup_func,
 222                                    CRYPTO_EX_free *free_func);
 223 /* No longer use an index. */
 224 int CRYPTO_free_ex_index(int class_index, int idx);
 225
 226 /*
 227  * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
 228  * given class (invokes whatever per-class callbacks are applicable)
 229  */
 230 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 231 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
 232                        const CRYPTO_EX_DATA *from);
 233
 234 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 235
 236 /* Allocate a single item in the CRYPTO_EX_DATA variable */
 237 int CRYPTO_alloc_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad,
 238                          int idx);
 239
 240 /*
 241  * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
 242  * index (relative to the class type involved)
 243  */
 244 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
 245 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
 246
 247 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
 248 /*
 249  * This function cleans up all "ex_data" state. It mustn't be called under
 250  * potential race-conditions.
 251  */
 252 # define CRYPTO_cleanup_all_ex_data() while(0) continue
 253
 254 /*
 255  * The old locking functions have been removed completely without compatibility
 256  * macros. This is because the old functions either could not properly report
 257  * errors, or the returned error values were not clearly documented.
 258  * Replacing the locking functions with no-ops would cause race condition
 259  * issues in the affected applications. It is far better for them to fail at
 260  * compile time.
 261  * On the other hand, the locking callbacks are no longer used.  Consequently,
 262  * the callback management functions can be safely replaced with no-op macros.
 263  */
 264 #  define CRYPTO_num_locks()            (1)
 265 #  define CRYPTO_set_locking_callback(func)
 266 #  define CRYPTO_get_locking_callback()         (NULL)
 267 #  define CRYPTO_set_add_lock_callback(func)
 268 #  define CRYPTO_get_add_lock_callback()        (NULL)
 269
 270 /*
 271  * These defines where used in combination with the old locking callbacks,
 272  * they are not called anymore, but old code that's not called might still
 273  * use them.
 274  */
 275 #  define CRYPTO_LOCK             1
 276 #  define CRYPTO_UNLOCK           2
 277 #  define CRYPTO_READ             4
 278 #  define CRYPTO_WRITE            8
 279
 280 /* This structure is no longer used */
 281 typedef struct crypto_threadid_st {
 282     int dummy;
 283 } CRYPTO_THREADID;
 284 /* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
 285 #  define CRYPTO_THREADID_set_numeric(id, val)
 286 #  define CRYPTO_THREADID_set_pointer(id, ptr)
 287 #  define CRYPTO_THREADID_set_callback(threadid_func)   (0)
 288 #  define CRYPTO_THREADID_get_callback()                (NULL)
 289 #  define CRYPTO_THREADID_current(id)
 290 #  define CRYPTO_THREADID_cmp(a, b)                     (-1)
 291 #  define CRYPTO_THREADID_cpy(dest, src)
 292 #  define CRYPTO_THREADID_hash(id)                      (0UL)
 293
 294 #  ifndef OPENSSL_NO_DEPRECATED_1_0_0
 295 #   define CRYPTO_set_id_callback(func)
 296 #   define CRYPTO_get_id_callback()                     (NULL)
 297 #   define CRYPTO_thread_id()                           (0UL)
 298 #  endif /* OPENSSL_NO_DEPRECATED_1_0_0 */
 299
 300 #  define CRYPTO_set_dynlock_create_callback(dyn_create_function)
 301 #  define CRYPTO_set_dynlock_lock_callback(dyn_lock_function)
 302 #  define CRYPTO_set_dynlock_destroy_callback(dyn_destroy_function)
 303 #  define CRYPTO_get_dynlock_create_callback()          (NULL)
 304 #  define CRYPTO_get_dynlock_lock_callback()            (NULL)
 305 #  define CRYPTO_get_dynlock_destroy_callback()         (NULL)
 306 # endif /* OPENSSL_NO_DEPRECATED_1_1_0 */
 307
 308 typedef void *(*CRYPTO_malloc_fn)(size_t num, const char *file, int line);
 309 typedef void *(*CRYPTO_realloc_fn)(void *addr, size_t num, const char *file,
 310                                    int line);
 311 typedef void (*CRYPTO_free_fn)(void *addr, const char *file, int line);
 312 int CRYPTO_set_mem_functions(CRYPTO_malloc_fn malloc_fn,
 313                              CRYPTO_realloc_fn realloc_fn,
 314                              CRYPTO_free_fn free_fn);
 315 void CRYPTO_get_mem_functions(CRYPTO_malloc_fn *malloc_fn,
 316                               CRYPTO_realloc_fn *realloc_fn,
 317                               CRYPTO_free_fn *free_fn);
 318
 319 void *CRYPTO_malloc(size_t num, const char *file, int line);
 320 void *CRYPTO_zalloc(size_t num, const char *file, int line);
 321 void *CRYPTO_memdup(const void *str, size_t siz, const char *file, int line);
 322 char *CRYPTO_strdup(const char *str, const char *file, int line);
 323 char *CRYPTO_strndup(const char *str, size_t s, const char *file, int line);
 324 void CRYPTO_free(void *ptr, const char *file, int line);
 325 void CRYPTO_clear_free(void *ptr, size_t num, const char *file, int line);
 326 void *CRYPTO_realloc(void *addr, size_t num, const char *file, int line);
 327 void *CRYPTO_clear_realloc(void *addr, size_t old_num, size_t num,
 328                            const char *file, int line);
 329
 330 int CRYPTO_secure_malloc_init(size_t sz, size_t minsize);
 331 int CRYPTO_secure_malloc_done(void);
 332 void *CRYPTO_secure_malloc(size_t num, const char *file, int line);
 333 void *CRYPTO_secure_zalloc(size_t num, const char *file, int line);
 334 void CRYPTO_secure_free(void *ptr, const char *file, int line);
 335 void CRYPTO_secure_clear_free(void *ptr, size_t num,
 336                               const char *file, int line);
 337 int CRYPTO_secure_allocated(const void *ptr);
 338 int CRYPTO_secure_malloc_initialized(void);
 339 size_t CRYPTO_secure_actual_size(void *ptr);
 340 size_t CRYPTO_secure_used(void);
 341
 342 void OPENSSL_cleanse(void *ptr, size_t len);
 343
 344 # ifndef OPENSSL_NO_CRYPTO_MDEBUG
 345 /*
 346  * The following can be used to detect memory leaks in the library. If
 347  * used, it turns on malloc checking
 348  */
 349 # define CRYPTO_MEM_CHECK_OFF     0x0   /* Control only */
 350 # define CRYPTO_MEM_CHECK_ON      0x1   /* Control and mode bit */
 351 # define CRYPTO_MEM_CHECK_ENABLE  0x2   /* Control and mode bit */
 352 # define CRYPTO_MEM_CHECK_DISABLE 0x3   /* Control only */
 353
 354 void CRYPTO_get_alloc_counts(int *mcount, int *rcount, int *fcount);
 355 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 356 #    define OPENSSL_mem_debug_push(info) \
 357          CRYPTO_mem_debug_push(info, OPENSSL_FILE, OPENSSL_LINE)
 358 #    define OPENSSL_mem_debug_pop() \
 359          CRYPTO_mem_debug_pop()
 360 #  endif
 361 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 362 OSSL_DEPRECATEDIN_3_0 int CRYPTO_set_mem_debug(int flag);
 363 OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_ctrl(int mode);
 364 OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_debug_push(const char *info,
 365                                                 const char *file, int line);
 366 OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_debug_pop(void);
 367 OSSL_DEPRECATEDIN_3_0 void CRYPTO_mem_debug_malloc(void *addr, size_t num,
 368                                                    int flag,
 369                                                    const char *file, int line);
 370 OSSL_DEPRECATEDIN_3_0 void CRYPTO_mem_debug_realloc(void *addr1, void *addr2,
 371                                                     size_t num, int flag,
 372                                                     const char *file, int line);
 373 OSSL_DEPRECATEDIN_3_0 void CRYPTO_mem_debug_free(void *addr, int flag,
 374                                                  const char *file, int line);
 375 OSSL_DEPRECATEDIN_3_0
 376 int CRYPTO_mem_leaks_cb(int (*cb)(const char *str, size_t len, void *u),
 377                         void *u);
 378 #  endif
 379 #  ifndef OPENSSL_NO_STDIO
 380 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 381 OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_leaks_fp(FILE *);
 382 #  endif
 383 #  endif
 384 # ifndef OPENSSL_NO_DEPRECATED_3_0
 385 OSSL_DEPRECATEDIN_3_0 int CRYPTO_mem_leaks(BIO *bio);
 386 # endif
 387 # endif /* OPENSSL_NO_CRYPTO_MDEBUG */
 388
 389 /* die if we have to */
 390 ossl_noreturn void OPENSSL_die(const char *assertion, const char *file, int line);
 391 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
 392 #  define OpenSSLDie(f,l,a) OPENSSL_die((a),(f),(l))
 393 # endif
 394 # define OPENSSL_assert(e) \
 395     (void)((e) ? 0 : (OPENSSL_die("assertion failed: " #e, OPENSSL_FILE, OPENSSL_LINE), 1))
 396
 397 int OPENSSL_isservice(void);
 398
 399 void OPENSSL_init(void);
 400 # ifdef OPENSSL_SYS_UNIX
 401 #  ifndef OPENSSL_NO_DEPRECATED_3_0
 402 OSSL_DEPRECATEDIN_3_0 void OPENSSL_fork_prepare(void);
 403 OSSL_DEPRECATEDIN_3_0 void OPENSSL_fork_parent(void);
 404 OSSL_DEPRECATEDIN_3_0 void OPENSSL_fork_child(void);
 405 #  endif
 406 # endif
 407
 408 struct tm *OPENSSL_gmtime(const time_t *timer, struct tm *result);
 409 int OPENSSL_gmtime_adj(struct tm *tm, int offset_day, long offset_sec);
 410 int OPENSSL_gmtime_diff(int *pday, int *psec,
 411                         const struct tm *from, const struct tm *to);
 412
 413 /*
 414  * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
 415  * It takes an amount of time dependent on |len|, but independent of the
 416  * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
 417  * into a defined order as the return value when a != b is undefined, other
 418  * than to be non-zero.
 419  */
 420 int CRYPTO_memcmp(const void * in_a, const void * in_b, size_t len);
 421
 422 /* Standard initialisation options */
 423 # define OPENSSL_INIT_NO_LOAD_CRYPTO_STRINGS 0x00000001L
 424 # define OPENSSL_INIT_LOAD_CRYPTO_STRINGS    0x00000002L
 425 # define OPENSSL_INIT_ADD_ALL_CIPHERS        0x00000004L
 426 # define OPENSSL_INIT_ADD_ALL_DIGESTS        0x00000008L
 427 # define OPENSSL_INIT_NO_ADD_ALL_CIPHERS     0x00000010L
 428 # define OPENSSL_INIT_NO_ADD_ALL_DIGESTS     0x00000020L
 429 # define OPENSSL_INIT_LOAD_CONFIG            0x00000040L
 430 # define OPENSSL_INIT_NO_LOAD_CONFIG         0x00000080L
 431 # define OPENSSL_INIT_ASYNC                  0x00000100L
 432 # define OPENSSL_INIT_ENGINE_RDRAND          0x00000200L
 433 # define OPENSSL_INIT_ENGINE_DYNAMIC         0x00000400L
 434 # define OPENSSL_INIT_ENGINE_OPENSSL         0x00000800L
 435 # define OPENSSL_INIT_ENGINE_CRYPTODEV       0x00001000L
 436 # define OPENSSL_INIT_ENGINE_CAPI            0x00002000L
 437 # define OPENSSL_INIT_ENGINE_PADLOCK         0x00004000L
 438 # define OPENSSL_INIT_ENGINE_AFALG           0x00008000L
 439 /* FREE:                                     0x00010000L */
 440 # define OPENSSL_INIT_ATFORK                 0x00020000L
 441 /* OPENSSL_INIT_BASE_ONLY                    0x00040000L */
 442 # define OPENSSL_INIT_NO_ATEXIT              0x00080000L
 443 /* OPENSSL_INIT flag range 0x03f00000 reserved for OPENSSL_init_ssl() */
 444 /* FREE: 0x04000000L */
 445 /* FREE: 0x08000000L */
 446 /* FREE: 0x10000000L */
 447 /* FREE: 0x20000000L */
 448 /* FREE: 0x40000000L */
 449 /* FREE: 0x80000000L */
 450 /* Max OPENSSL_INIT flag value is 0x80000000 */
 451
 452 /* openssl and dasync not counted as builtin */
 453 # define OPENSSL_INIT_ENGINE_ALL_BUILTIN \
 454     (OPENSSL_INIT_ENGINE_RDRAND | OPENSSL_INIT_ENGINE_DYNAMIC \
 455     | OPENSSL_INIT_ENGINE_CRYPTODEV | OPENSSL_INIT_ENGINE_CAPI | \
 456     OPENSSL_INIT_ENGINE_PADLOCK)
 457
 458 /* Library initialisation functions */
 459 void OPENSSL_cleanup(void);
 460 int OPENSSL_init_crypto(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings);
 461 int OPENSSL_atexit(void (*handler)(void));
 462 void OPENSSL_thread_stop(void);
 463 void OPENSSL_thread_stop_ex(OSSL_LIB_CTX *ctx);
 464
 465 /* Low-level control of initialization */
 466 OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void);
 467 # ifndef OPENSSL_NO_STDIO
 468 int OPENSSL_INIT_set_config_filename(OPENSSL_INIT_SETTINGS *settings,
 469                                      const char *config_filename);
 470 void OPENSSL_INIT_set_config_file_flags(OPENSSL_INIT_SETTINGS *settings,
 471                                         unsigned long flags);
 472 int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings,
 473                                     const char *config_appname);
 474 # endif
 475 void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings);
 476
 477 # if defined(OPENSSL_THREADS) && !defined(CRYPTO_TDEBUG)
 478 #  if defined(_WIN32)
 479 #   if defined(BASETYPES) || defined(_WINDEF_H)
 480 /* application has to include <windows.h> in order to use this */
 481 typedef DWORD CRYPTO_THREAD_LOCAL;
 482 typedef DWORD CRYPTO_THREAD_ID;
 483
 484 typedef LONG CRYPTO_ONCE;
 485 #    define CRYPTO_ONCE_STATIC_INIT 0
 486 #   endif
 487 #  else
 488 #   if defined(__TANDEM) && defined(_SPT_MODEL_)
 489 #    define  SPT_THREAD_SIGNAL 1
 490 #    define  SPT_THREAD_AWARE 1
 491 #    include <spthread.h>
 492 #   else
 493 #    include <pthread.h>
 494 #   endif
 495 typedef pthread_once_t CRYPTO_ONCE;
 496 typedef pthread_key_t CRYPTO_THREAD_LOCAL;
 497 typedef pthread_t CRYPTO_THREAD_ID;
 498
 499 #   define CRYPTO_ONCE_STATIC_INIT PTHREAD_ONCE_INIT
 500 #  endif
 501 # endif
 502
 503 # if !defined(CRYPTO_ONCE_STATIC_INIT)
 504 typedef unsigned int CRYPTO_ONCE;
 505 typedef unsigned int CRYPTO_THREAD_LOCAL;
 506 typedef unsigned int CRYPTO_THREAD_ID;
 507 #  define CRYPTO_ONCE_STATIC_INIT 0
 508 # endif
 509
 510 int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void));
 511
 512 int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *));
 513 void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key);
 514 int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val);
 515 int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key);
 516
 517 CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void);
 518 int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b);
 519
 520 OSSL_LIB_CTX *OSSL_LIB_CTX_new(void);
 521 OSSL_LIB_CTX *OSSL_LIB_CTX_new_from_dispatch(const OSSL_CORE_HANDLE *handle,
 522                                              const OSSL_DISPATCH *in);
 523 OSSL_LIB_CTX *OSSL_LIB_CTX_new_child(const OSSL_CORE_HANDLE *handle,
 524                                      const OSSL_DISPATCH *in);
 525 int OSSL_LIB_CTX_load_config(OSSL_LIB_CTX *ctx, const char *config_file);
 526 void OSSL_LIB_CTX_free(OSSL_LIB_CTX *);
 527 OSSL_LIB_CTX *OSSL_LIB_CTX_get0_global_default(void);
 528 OSSL_LIB_CTX *OSSL_LIB_CTX_set0_default(OSSL_LIB_CTX *libctx);
 529
 530 # ifdef  __cplusplus
 531 }
 532 # endif
 533 #endif