/*

 * 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