crypto/crypto.h

   1 /* crypto/crypto.h */
   2 /* ====================================================================
   3  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in
  14  *    the documentation and/or other materials provided with the
  15  *    distribution.
  16  *
  17  * 3. All advertising materials mentioning features or use of this
  18  *    software must display the following acknowledgment:
  19  *    "This product includes software developed by the OpenSSL Project
  20  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  21  *
  22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  23  *    endorse or promote products derived from this software without
  24  *    prior written permission. For written permission, please contact
  25  *    openssl-core@openssl.org.
  26  *
  27  * 5. Products derived from this software may not be called "OpenSSL"
  28  *    nor may "OpenSSL" appear in their names without prior written
  29  *    permission of the OpenSSL Project.
  30  *
  31  * 6. Redistributions of any form whatsoever must retain the following
  32  *    acknowledgment:
  33  *    "This product includes software developed by the OpenSSL Project
  34  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  35  *
  36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  39  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  47  * OF THE POSSIBILITY OF SUCH DAMAGE.
  48  * ====================================================================
  49  *
  50  * This product includes cryptographic software written by Eric Young
  51  * (eay@cryptsoft.com).  This product includes software written by Tim
  52  * Hudson (tjh@cryptsoft.com).
  53  *
  54  */
  55 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  56  * All rights reserved.
  57  *
  58  * This package is an SSL implementation written
  59  * by Eric Young (eay@cryptsoft.com).
  60  * The implementation was written so as to conform with Netscapes SSL.
  61  *
  62  * This library is free for commercial and non-commercial use as long as
  63  * the following conditions are aheared to.  The following conditions
  64  * apply to all code found in this distribution, be it the RC4, RSA,
  65  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  66  * included with this distribution is covered by the same copyright terms
  67  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  68  *
  69  * Copyright remains Eric Young's, and as such any Copyright notices in
  70  * the code are not to be removed.
  71  * If this package is used in a product, Eric Young should be given attribution
  72  * as the author of the parts of the library used.
  73  * This can be in the form of a textual message at program startup or
  74  * in documentation (online or textual) provided with the package.
  75  *
  76  * Redistribution and use in source and binary forms, with or without
  77  * modification, are permitted provided that the following conditions
  78  * are met:
  79  * 1. Redistributions of source code must retain the copyright
  80  *    notice, this list of conditions and the following disclaimer.
  81  * 2. Redistributions in binary form must reproduce the above copyright
  82  *    notice, this list of conditions and the following disclaimer in the
  83  *    documentation and/or other materials provided with the distribution.
  84  * 3. All advertising materials mentioning features or use of this software
  85  *    must display the following acknowledgement:
  86  *    "This product includes cryptographic software written by
  87  *     Eric Young (eay@cryptsoft.com)"
  88  *    The word 'cryptographic' can be left out if the rouines from the library
  89  *    being used are not cryptographic related :-).
  90  * 4. If you include any Windows specific code (or a derivative thereof) from
  91  *    the apps directory (application code) you must include an acknowledgement:
  92  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  93  *
  94  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  95  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  96  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  97  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  98  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  99  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 100  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 101  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 102  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 103  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 104  * SUCH DAMAGE.
 105  *
 106  * The licence and distribution terms for any publically available version or
 107  * derivative of this code cannot be changed.  i.e. this code cannot simply be
 108  * copied and put under another distribution licence
 109  * [including the GNU Public Licence.]
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECDH support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116
 117 #ifndef HEADER_CRYPTO_H
 118 # define HEADER_CRYPTO_H
 119
 120 # include <stdlib.h>
 121
 122 # include <openssl/e_os2.h>
 123
 124 # ifndef OPENSSL_NO_FP_API
 125 #  include <stdio.h>
 126 # endif
 127
 128 # include <openssl/stack.h>
 129 # include <openssl/safestack.h>
 130 # include <openssl/opensslv.h>
 131 # include <openssl/ossl_typ.h>
 132
 133 # ifdef CHARSET_EBCDIC
 134 #  include <openssl/ebcdic.h>
 135 # endif
 136
 137 /*
 138  * Resolve problems on some operating systems with symbol names that clash
 139  * one way or another
 140  */
 141 # include <openssl/symhacks.h>
 142
 143 #ifdef  __cplusplus
 144 extern "C" {
 145 #endif
 146
 147 /* Backward compatibility to SSLeay */
 148 /*
 149  * This is more to be used to check the correct DLL is being used in the MS
 150  * world.
 151  */
 152 # define SSLEAY_VERSION_NUMBER   OPENSSL_VERSION_NUMBER
 153 # define SSLEAY_VERSION          0
 154 /* #define SSLEAY_OPTIONS       1 no longer supported */
 155 # define SSLEAY_CFLAGS           2
 156 # define SSLEAY_BUILT_ON         3
 157 # define SSLEAY_PLATFORM         4
 158 # define SSLEAY_DIR              5
 159
 160 /* Already declared in ossl_typ.h */
 161 # if 0
 162 typedef struct crypto_ex_data_st CRYPTO_EX_DATA;
 163 /* Called when a new object is created */
 164 typedef int CRYPTO_EX_new (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
 165                            int idx, long argl, void *argp);
 166 /* Called when an object is free()ed */
 167 typedef void CRYPTO_EX_free (void *parent, void *ptr, CRYPTO_EX_DATA *ad,
 168                              int idx, long argl, void *argp);
 169 /* Called when we need to dup an object */
 170 typedef int CRYPTO_EX_dup (CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from,
 171                            void *from_d, int idx, long argl, void *argp);
 172 # endif
 173
 174 /* A generic structure to pass assorted data in a expandable way */
 175 typedef struct openssl_item_st {
 176     int code;
 177     void *value;                /* Not used for flag attributes */
 178     size_t value_size;          /* Max size of value for output, length for
 179                                  * input */
 180     size_t *value_length;       /* Returned length of value for output */
 181 } OPENSSL_ITEM;
 182
 183 /*
 184  * When changing the CRYPTO_LOCK_* list, be sure to maintin the text lock
 185  * names in cryptlib.c
 186  */
 187
 188 # define CRYPTO_LOCK_ERR                 1
 189 # define CRYPTO_LOCK_EX_DATA             2
 190 # define CRYPTO_LOCK_X509                3
 191 # define CRYPTO_LOCK_X509_INFO           4
 192 # define CRYPTO_LOCK_X509_PKEY           5
 193 # define CRYPTO_LOCK_X509_CRL            6
 194 # define CRYPTO_LOCK_X509_REQ            7
 195 # define CRYPTO_LOCK_DSA                 8
 196 # define CRYPTO_LOCK_RSA                 9
 197 # define CRYPTO_LOCK_EVP_PKEY            10
 198 # define CRYPTO_LOCK_X509_STORE          11
 199 # define CRYPTO_LOCK_SSL_CTX             12
 200 # define CRYPTO_LOCK_SSL_CERT            13
 201 # define CRYPTO_LOCK_SSL_SESSION         14
 202 # define CRYPTO_LOCK_SSL_SESS_CERT       15
 203 # define CRYPTO_LOCK_SSL                 16
 204 # define CRYPTO_LOCK_SSL_METHOD          17
 205 # define CRYPTO_LOCK_RAND                18
 206 # define CRYPTO_LOCK_RAND2               19
 207 # define CRYPTO_LOCK_MALLOC              20
 208 # define CRYPTO_LOCK_BIO                 21
 209 # define CRYPTO_LOCK_GETHOSTBYNAME       22
 210 # define CRYPTO_LOCK_GETSERVBYNAME       23
 211 # define CRYPTO_LOCK_READDIR             24
 212 # define CRYPTO_LOCK_RSA_BLINDING        25
 213 # define CRYPTO_LOCK_DH                  26
 214 # define CRYPTO_LOCK_MALLOC2             27
 215 # define CRYPTO_LOCK_DSO                 28
 216 # define CRYPTO_LOCK_DYNLOCK             29
 217 # define CRYPTO_LOCK_ENGINE              30
 218 # define CRYPTO_LOCK_UI                  31
 219 # define CRYPTO_LOCK_ECDSA               32
 220 # define CRYPTO_LOCK_EC                  33
 221 # define CRYPTO_LOCK_ECDH                34
 222 # define CRYPTO_LOCK_BN                  35
 223 # define CRYPTO_LOCK_EC_PRE_COMP         36
 224 # define CRYPTO_LOCK_STORE               37
 225 # define CRYPTO_LOCK_COMP                38
 226 # define CRYPTO_LOCK_FIPS                39
 227 # define CRYPTO_LOCK_FIPS2               40
 228 # define CRYPTO_NUM_LOCKS                41
 229
 230 # define CRYPTO_LOCK             1
 231 # define CRYPTO_UNLOCK           2
 232 # define CRYPTO_READ             4
 233 # define CRYPTO_WRITE            8
 234
 235 # ifndef OPENSSL_NO_LOCKING
 236 #  ifndef CRYPTO_w_lock
 237 #   define CRYPTO_w_lock(type)     \
 238         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
 239 #   define CRYPTO_w_unlock(type)   \
 240         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,__FILE__,__LINE__)
 241 #   define CRYPTO_r_lock(type)     \
 242         CRYPTO_lock(CRYPTO_LOCK|CRYPTO_READ,type,__FILE__,__LINE__)
 243 #   define CRYPTO_r_unlock(type)   \
 244         CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_READ,type,__FILE__,__LINE__)
 245 #   define CRYPTO_add(addr,amount,type)    \
 246         CRYPTO_add_lock(addr,amount,type,__FILE__,__LINE__)
 247 #  endif
 248 # else
 249 #  define CRYPTO_w_lock(a)
 250 #  define CRYPTO_w_unlock(a)
 251 #  define CRYPTO_r_lock(a)
 252 #  define CRYPTO_r_unlock(a)
 253 #  define CRYPTO_add(a,b,c)       ((*(a))+=(b))
 254 # endif
 255
 256 /*
 257  * Some applications as well as some parts of OpenSSL need to allocate and
 258  * deallocate locks in a dynamic fashion.  The following typedef makes this
 259  * possible in a type-safe manner.
 260  */
 261 /* struct CRYPTO_dynlock_value has to be defined by the application. */
 262 typedef struct {
 263     int references;
 264     struct CRYPTO_dynlock_value *data;
 265 } CRYPTO_dynlock;
 266
 267 /*
 268  * The following can be used to detect memory leaks in the SSLeay library. It
 269  * used, it turns on malloc checking
 270  */
 271
 272 # define CRYPTO_MEM_CHECK_OFF    0x0/* an enume */
 273 # define CRYPTO_MEM_CHECK_ON     0x1/* a bit */
 274 # define CRYPTO_MEM_CHECK_ENABLE 0x2/* a bit */
 275 # define CRYPTO_MEM_CHECK_DISABLE 0x3/* an enume */
 276
 277 /*
 278  * The following are bit values to turn on or off options connected to the
 279  * malloc checking functionality
 280  */
 281
 282 /* Adds time to the memory checking information */
 283 # define V_CRYPTO_MDEBUG_TIME    0x1/* a bit */
 284 /* Adds thread number to the memory checking information */
 285 # define V_CRYPTO_MDEBUG_THREAD  0x2/* a bit */
 286
 287 # define V_CRYPTO_MDEBUG_ALL (V_CRYPTO_MDEBUG_TIME | V_CRYPTO_MDEBUG_THREAD)
 288
 289 /* predec of the BIO type */
 290 typedef struct bio_st BIO_dummy;
 291
 292 struct crypto_ex_data_st {
 293     STACK_OF(void) *sk;
 294     /* gcc is screwing up this data structure :-( */
 295     int dummy;
 296 };
 297 DECLARE_STACK_OF(void)
 298
 299 /*
 300  * This stuff is basically class callback functions The current classes are
 301  * SSL_CTX, SSL, SSL_SESSION, and a few more
 302  */
 303
 304 typedef struct crypto_ex_data_func_st {
 305     long argl;                  /* Arbitary long */
 306     void *argp;                 /* Arbitary void * */
 307     CRYPTO_EX_new *new_func;
 308     CRYPTO_EX_free *free_func;
 309     CRYPTO_EX_dup *dup_func;
 310 } CRYPTO_EX_DATA_FUNCS;
 311
 312 DECLARE_STACK_OF(CRYPTO_EX_DATA_FUNCS)
 313
 314 /*
 315  * Per class, we have a STACK of CRYPTO_EX_DATA_FUNCS for each CRYPTO_EX_DATA
 316  * entry.
 317  */
 318
 319 # define CRYPTO_EX_INDEX_BIO             0
 320 # define CRYPTO_EX_INDEX_SSL             1
 321 # define CRYPTO_EX_INDEX_SSL_CTX         2
 322 # define CRYPTO_EX_INDEX_SSL_SESSION     3
 323 # define CRYPTO_EX_INDEX_X509_STORE      4
 324 # define CRYPTO_EX_INDEX_X509_STORE_CTX  5
 325 # define CRYPTO_EX_INDEX_RSA             6
 326 # define CRYPTO_EX_INDEX_DSA             7
 327 # define CRYPTO_EX_INDEX_DH              8
 328 # define CRYPTO_EX_INDEX_ENGINE          9
 329 # define CRYPTO_EX_INDEX_X509            10
 330 # define CRYPTO_EX_INDEX_UI              11
 331 # define CRYPTO_EX_INDEX_ECDSA           12
 332 # define CRYPTO_EX_INDEX_ECDH            13
 333 # define CRYPTO_EX_INDEX_COMP            14
 334 # define CRYPTO_EX_INDEX_STORE           15
 335
 336 /*
 337  * Dynamically assigned indexes start from this value (don't use directly,
 338  * use via CRYPTO_ex_data_new_class).
 339  */
 340 # define CRYPTO_EX_INDEX_USER            100
 341
 342 /*
 343  * This is the default callbacks, but we can have others as well: this is
 344  * needed in Win32 where the application malloc and the library malloc may
 345  * not be the same.
 346  */
 347 # define CRYPTO_malloc_init()    CRYPTO_set_mem_functions(\
 348         malloc, realloc, free)
 349
 350 # if defined CRYPTO_MDEBUG_ALL || defined CRYPTO_MDEBUG_TIME || defined CRYPTO_MDEBUG_THREAD
 351 #  ifndef CRYPTO_MDEBUG         /* avoid duplicate #define */
 352 #   define CRYPTO_MDEBUG
 353 #  endif
 354 # endif
 355
 356 /*
 357  * Set standard debugging functions (not done by default unless CRYPTO_MDEBUG
 358  * is defined)
 359  */
 360 # define CRYPTO_malloc_debug_init()      do {\
 361         CRYPTO_set_mem_debug_functions(\
 362                 CRYPTO_dbg_malloc,\
 363                 CRYPTO_dbg_realloc,\
 364                 CRYPTO_dbg_free,\
 365                 CRYPTO_dbg_set_options,\
 366                 CRYPTO_dbg_get_options);\
 367         } while(0)
 368
 369 int CRYPTO_mem_ctrl(int mode);
 370 int CRYPTO_is_mem_check_on(void);
 371
 372 /* for applications */
 373 # define MemCheck_start() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON)
 374 # define MemCheck_stop() CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_OFF)
 375
 376 /* for library-internal use */
 377 # define MemCheck_on()   CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ENABLE)
 378 # define MemCheck_off()  CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_DISABLE)
 379 # define is_MemCheck_on() CRYPTO_is_mem_check_on()
 380
 381 # define OPENSSL_malloc(num)     CRYPTO_malloc((int)num,__FILE__,__LINE__)
 382 # define OPENSSL_strdup(str)     CRYPTO_strdup((str),__FILE__,__LINE__)
 383 # define OPENSSL_realloc(addr,num) \
 384         CRYPTO_realloc((char *)addr,(int)num,__FILE__,__LINE__)
 385 # define OPENSSL_realloc_clean(addr,old_num,num) \
 386         CRYPTO_realloc_clean(addr,old_num,num,__FILE__,__LINE__)
 387 # define OPENSSL_remalloc(addr,num) \
 388         CRYPTO_remalloc((char **)addr,(int)num,__FILE__,__LINE__)
 389 # define OPENSSL_freeFunc        CRYPTO_free
 390 # define OPENSSL_free(addr)      CRYPTO_free(addr)
 391
 392 # define OPENSSL_malloc_locked(num) \
 393         CRYPTO_malloc_locked((int)num,__FILE__,__LINE__)
 394 # define OPENSSL_free_locked(addr) CRYPTO_free_locked(addr)
 395
 396 const char *SSLeay_version(int type);
 397 unsigned long SSLeay(void);
 398
 399 int OPENSSL_issetugid(void);
 400
 401 /* An opaque type representing an implementation of "ex_data" support */
 402 typedef struct st_CRYPTO_EX_DATA_IMPL CRYPTO_EX_DATA_IMPL;
 403 /* Return an opaque pointer to the current "ex_data" implementation */
 404 const CRYPTO_EX_DATA_IMPL *CRYPTO_get_ex_data_implementation(void);
 405 /* Sets the "ex_data" implementation to be used (if it's not too late) */
 406 int CRYPTO_set_ex_data_implementation(const CRYPTO_EX_DATA_IMPL *i);
 407 /* Get a new "ex_data" class, and return the corresponding "class_index" */
 408 int CRYPTO_ex_data_new_class(void);
 409 /* Within a given class, get/register a new index */
 410 int CRYPTO_get_ex_new_index(int class_index, long argl, void *argp,
 411                             CRYPTO_EX_new *new_func, CRYPTO_EX_dup *dup_func,
 412                             CRYPTO_EX_free *free_func);
 413 /*
 414  * Initialise/duplicate/free CRYPTO_EX_DATA variables corresponding to a
 415  * given class (invokes whatever per-class callbacks are applicable)
 416  */
 417 int CRYPTO_new_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 418 int CRYPTO_dup_ex_data(int class_index, CRYPTO_EX_DATA *to,
 419                        CRYPTO_EX_DATA *from);
 420 void CRYPTO_free_ex_data(int class_index, void *obj, CRYPTO_EX_DATA *ad);
 421 /*
 422  * Get/set data in a CRYPTO_EX_DATA variable corresponding to a particular
 423  * index (relative to the class type involved)
 424  */
 425 int CRYPTO_set_ex_data(CRYPTO_EX_DATA *ad, int idx, void *val);
 426 void *CRYPTO_get_ex_data(const CRYPTO_EX_DATA *ad, int idx);
 427 /*
 428  * This function cleans up all "ex_data" state. It mustn't be called under
 429  * potential race-conditions.
 430  */
 431 void CRYPTO_cleanup_all_ex_data(void);
 432
 433 int CRYPTO_get_new_lockid(char *name);
 434
 435 int CRYPTO_num_locks(void);     /* return CRYPTO_NUM_LOCKS (shared libs!) */
 436 void CRYPTO_lock(int mode, int type, const char *file, int line);
 437 void CRYPTO_set_locking_callback(void (*func) (int mode, int type,
 438                                                const char *file, int line));
 439 void (*CRYPTO_get_locking_callback(void)) (int mode, int type,
 440                                            const char *file, int line);
 441 void CRYPTO_set_add_lock_callback(int (*func)
 442                                    (int *num, int mount, int type,
 443                                     const char *file, int line));
 444 int (*CRYPTO_get_add_lock_callback(void)) (int *num, int mount, int type,
 445                                            const char *file, int line);
 446
 447 /* Don't use this structure directly. */
 448 typedef struct crypto_threadid_st {
 449     void *ptr;
 450     unsigned long val;
 451 } CRYPTO_THREADID;
 452 /* Only use CRYPTO_THREADID_set_[numeric|pointer]() within callbacks */
 453 void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val);
 454 void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr);
 455 int CRYPTO_THREADID_set_callback(void (*threadid_func) (CRYPTO_THREADID *));
 456 void (*CRYPTO_THREADID_get_callback(void)) (CRYPTO_THREADID *);
 457 void CRYPTO_THREADID_current(CRYPTO_THREADID *id);
 458 int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b);
 459 void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src);
 460 unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id);
 461 # ifndef OPENSSL_NO_DEPRECATED
 462 void CRYPTO_set_id_callback(unsigned long (*func) (void));
 463 unsigned long (*CRYPTO_get_id_callback(void)) (void);
 464 unsigned long CRYPTO_thread_id(void);
 465 # endif
 466
 467 const char *CRYPTO_get_lock_name(int type);
 468 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
 469                     int line);
 470
 471 int CRYPTO_get_new_dynlockid(void);
 472 void CRYPTO_destroy_dynlockid(int i);
 473 struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i);
 474 void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value
 475                                         *(*dyn_create_function) (const char
 476                                                                  *file,
 477                                                                  int line));
 478 void CRYPTO_set_dynlock_lock_callback(void (*dyn_lock_function)
 479                                        (int mode,
 480                                         struct CRYPTO_dynlock_value *l,
 481                                         const char *file, int line));
 482 void CRYPTO_set_dynlock_destroy_callback(void (*dyn_destroy_function)
 483                                           (struct CRYPTO_dynlock_value *l,
 484                                            const char *file, int line));
 485 struct CRYPTO_dynlock_value
 486 *(*CRYPTO_get_dynlock_create_callback(void)) (const char *file, int line);
 487 void (*CRYPTO_get_dynlock_lock_callback(void)) (int mode,
 488                                                 struct CRYPTO_dynlock_value
 489                                                 *l, const char *file,
 490                                                 int line);
 491 void (*CRYPTO_get_dynlock_destroy_callback(void)) (struct CRYPTO_dynlock_value
 492                                                    *l, const char *file,
 493                                                    int line);
 494
 495 /*
 496  * CRYPTO_set_mem_functions includes CRYPTO_set_locked_mem_functions -- call
 497  * the latter last if you need different functions
 498  */
 499 int CRYPTO_set_mem_functions(void *(*m) (size_t), void *(*r) (void *, size_t),
 500                              void (*f) (void *));
 501 int CRYPTO_set_locked_mem_functions(void *(*m) (size_t),
 502                                     void (*free_func) (void *));
 503 int CRYPTO_set_mem_ex_functions(void *(*m) (size_t, const char *, int),
 504                                 void *(*r) (void *, size_t, const char *,
 505                                             int), void (*f) (void *));
 506 int CRYPTO_set_locked_mem_ex_functions(void *(*m) (size_t, const char *, int),
 507                                        void (*free_func) (void *));
 508 int CRYPTO_set_mem_debug_functions(void (*m)
 509                                     (void *, int, const char *, int, int),
 510                                    void (*r) (void *, void *, int,
 511                                               const char *, int, int),
 512                                    void (*f) (void *, int), void (*so) (long),
 513                                    long (*go) (void));
 514 void CRYPTO_get_mem_functions(void *(**m) (size_t),
 515                               void *(**r) (void *, size_t),
 516                               void (**f) (void *));
 517 void CRYPTO_get_locked_mem_functions(void *(**m) (size_t),
 518                                      void (**f) (void *));
 519 void CRYPTO_get_mem_ex_functions(void *(**m) (size_t, const char *, int),
 520                                  void *(**r) (void *, size_t, const char *,
 521                                               int), void (**f) (void *));
 522 void CRYPTO_get_locked_mem_ex_functions(void
 523                                         *(**m) (size_t, const char *, int),
 524                                         void (**f) (void *));
 525 void CRYPTO_get_mem_debug_functions(void (**m)
 526                                      (void *, int, const char *, int, int),
 527                                     void (**r) (void *, void *, int,
 528                                                 const char *, int, int),
 529                                     void (**f) (void *, int),
 530                                     void (**so) (long), long (**go) (void));
 531
 532 void *CRYPTO_malloc_locked(int num, const char *file, int line);
 533 void CRYPTO_free_locked(void *ptr);
 534 void *CRYPTO_malloc(int num, const char *file, int line);
 535 char *CRYPTO_strdup(const char *str, const char *file, int line);
 536 void CRYPTO_free(void *ptr);
 537 void *CRYPTO_realloc(void *addr, int num, const char *file, int line);
 538 void *CRYPTO_realloc_clean(void *addr, int old_num, int num, const char *file,
 539                            int line);
 540 void *CRYPTO_remalloc(void *addr, int num, const char *file, int line);
 541
 542 void OPENSSL_cleanse(void *ptr, size_t len);
 543
 544 void CRYPTO_set_mem_debug_options(long bits);
 545 long CRYPTO_get_mem_debug_options(void);
 546
 547 # define CRYPTO_push_info(info) \
 548         CRYPTO_push_info_(info, __FILE__, __LINE__);
 549 int CRYPTO_push_info_(const char *info, const char *file, int line);
 550 int CRYPTO_pop_info(void);
 551 int CRYPTO_remove_all_info(void);
 552
 553 /*
 554  * Default debugging functions (enabled by CRYPTO_malloc_debug_init() macro;
 555  * used as default in CRYPTO_MDEBUG compilations):
 556  */
 557 /*-
 558  * The last argument has the following significance:
 559  *
 560  * 0:   called before the actual memory allocation has taken place
 561  * 1:   called after the actual memory allocation has taken place
 562  */
 563 void CRYPTO_dbg_malloc(void *addr, int num, const char *file, int line,
 564                        int before_p);
 565 void CRYPTO_dbg_realloc(void *addr1, void *addr2, int num, const char *file,
 566                         int line, int before_p);
 567 void CRYPTO_dbg_free(void *addr, int before_p);
 568 /*-
 569  * Tell the debugging code about options.  By default, the following values
 570  * apply:
 571  *
 572  * 0:                           Clear all options.
 573  * V_CRYPTO_MDEBUG_TIME (1):    Set the "Show Time" option.
 574  * V_CRYPTO_MDEBUG_THREAD (2):  Set the "Show Thread Number" option.
 575  * V_CRYPTO_MDEBUG_ALL (3):     1 + 2
 576  */
 577 void CRYPTO_dbg_set_options(long bits);
 578 long CRYPTO_dbg_get_options(void);
 579
 580 # ifndef OPENSSL_NO_FP_API
 581 void CRYPTO_mem_leaks_fp(FILE *);
 582 # endif
 583 void CRYPTO_mem_leaks(struct bio_st *bio);
 584 /* unsigned long order, char *file, int line, int num_bytes, char *addr */
 585 typedef void *CRYPTO_MEM_LEAK_CB (unsigned long, const char *, int, int,
 586                                   void *);
 587 void CRYPTO_mem_leaks_cb(CRYPTO_MEM_LEAK_CB *cb);
 588
 589 /* die if we have to */
 590 void OpenSSLDie(const char *file, int line, const char *assertion);
 591 # define OPENSSL_assert(e)       (void)((e) ? 0 : (OpenSSLDie(__FILE__, __LINE__, #e),1))
 592
 593 unsigned long *OPENSSL_ia32cap_loc(void);
 594 # define OPENSSL_ia32cap (*(OPENSSL_ia32cap_loc()))
 595 int OPENSSL_isservice(void);
 596
 597 int FIPS_mode(void);
 598 int FIPS_mode_set(int r);
 599
 600 void OPENSSL_init(void);
 601
 602 # define fips_md_init(alg) fips_md_init_ctx(alg, alg)
 603
 604 # ifdef OPENSSL_FIPS
 605 #  define fips_md_init_ctx(alg, cx) \
 606         int alg##_Init(cx##_CTX *c) \
 607         { \
 608         if (FIPS_mode()) OpenSSLDie(__FILE__, __LINE__, \
 609                 "Low level API call to digest " #alg " forbidden in FIPS mode!"); \
 610         return private_##alg##_Init(c); \
 611         } \
 612         int private_##alg##_Init(cx##_CTX *c)
 613
 614 #  define fips_cipher_abort(alg) \
 615         if (FIPS_mode()) OpenSSLDie(__FILE__, __LINE__, \
 616                 "Low level API call to cipher " #alg " forbidden in FIPS mode!")
 617
 618 # else
 619 #  define fips_md_init_ctx(alg, cx) \
 620         int alg##_Init(cx##_CTX *c)
 621 #  define fips_cipher_abort(alg) while(0)
 622 # endif
 623
 624 /*
 625  * CRYPTO_memcmp returns zero iff the |len| bytes at |a| and |b| are equal.
 626  * It takes an amount of time dependent on |len|, but independent of the
 627  * contents of |a| and |b|. Unlike memcmp, it cannot be used to put elements
 628  * into a defined order as the return value when a != b is undefined, other
 629  * than to be non-zero.
 630  */
 631 int CRYPTO_memcmp(const void *a, const void *b, size_t len);
 632
 633 /* BEGIN ERROR CODES */
 634 /*
 635  * The following lines are auto generated by the script mkerr.pl. Any changes
 636  * made after this point may be overwritten when the script is next run.
 637  */
 638 void ERR_load_CRYPTO_strings(void);
 639
 640 /* Error codes for the CRYPTO functions. */
 641
 642 /* Function codes. */
 643 # define CRYPTO_F_CRYPTO_GET_EX_NEW_INDEX                 100
 644 # define CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID                103
 645 # define CRYPTO_F_CRYPTO_GET_NEW_LOCKID                   101
 646 # define CRYPTO_F_CRYPTO_SET_EX_DATA                      102
 647 # define CRYPTO_F_DEF_ADD_INDEX                           104
 648 # define CRYPTO_F_DEF_GET_CLASS                           105
 649 # define CRYPTO_F_FIPS_MODE_SET                           109
 650 # define CRYPTO_F_INT_DUP_EX_DATA                         106
 651 # define CRYPTO_F_INT_FREE_EX_DATA                        107
 652 # define CRYPTO_F_INT_NEW_EX_DATA                         108
 653
 654 /* Reason codes. */
 655 # define CRYPTO_R_FIPS_MODE_NOT_SUPPORTED                 101
 656 # define CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK              100
 657
 658 #ifdef  __cplusplus
 659 }
 660 #endif
 661 #endif