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crypto.h
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/* * 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); # ifdef OPENSSL_FIPS /* die if FIPS selftest failed */ void FIPS_selftest_check(void); # endif 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
