R4SAS
5 years ago
165 changed files with 627 additions and 236 deletions
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/*
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* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. |
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* |
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* Licensed under the OpenSSL license (the "License"). You may not use |
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* this file except in compliance with the License. You can obtain a copy |
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* in the file LICENSE in the source distribution or at |
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* https://www.openssl.org/source/license.html
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*/ |
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#include <openssl/crypto.h> |
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#define DEFINE_RUN_ONCE(init) \ |
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static int init(void); \ |
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int init##_ossl_ret_ = 0; \ |
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void init##_ossl_(void) \ |
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{ \ |
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init##_ossl_ret_ = init(); \ |
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} \ |
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static int init(void) |
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#define DECLARE_RUN_ONCE(init) \ |
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extern int init##_ossl_ret_; \ |
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void init##_ossl_(void); |
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#define DEFINE_RUN_ONCE_STATIC(init) \ |
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static int init(void); \ |
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static int init##_ossl_ret_ = 0; \ |
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static void init##_ossl_(void) \ |
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{ \ |
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init##_ossl_ret_ = init(); \ |
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} \ |
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static int init(void) |
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/*
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* RUN_ONCE - use CRYPTO_THREAD_run_once, and check if the init succeeded |
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* @once: pointer to static object of type CRYPTO_ONCE |
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* @init: function name that was previously given to DEFINE_RUN_ONCE, |
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* DEFINE_RUN_ONCE_STATIC or DECLARE_RUN_ONCE. This function |
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* must return 1 for success or 0 for failure. |
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* |
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* The return value is 1 on success (*) or 0 in case of error. |
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* |
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* (*) by convention, since the init function must return 1 on success. |
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*/ |
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#define RUN_ONCE(once, init) \ |
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(CRYPTO_THREAD_run_once(once, init##_ossl_) ? init##_ossl_ret_ : 0) |
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/*
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* Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved. |
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* |
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* Licensed under the OpenSSL license (the "License"). You may not use |
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* this file except in compliance with the License. You can obtain a copy |
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* in the file LICENSE in the source distribution or at |
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* https://www.openssl.org/source/license.html
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*/ |
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#include <openssl/crypto.h> |
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/*
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* DEFINE_RUN_ONCE: Define an initialiser function that should be run exactly |
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* once. It takes no arguments and returns and int result (1 for success or |
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* 0 for failure). Typical usage might be: |
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* |
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* DEFINE_RUN_ONCE(myinitfunc) |
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* { |
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* do_some_initialisation(); |
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* if (init_is_successful()) |
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* return 1; |
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* |
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* return 0; |
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* } |
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*/ |
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#define DEFINE_RUN_ONCE(init) \ |
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static int init(void); \ |
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int init##_ossl_ret_ = 0; \ |
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void init##_ossl_(void) \ |
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{ \ |
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init##_ossl_ret_ = init(); \ |
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} \ |
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static int init(void) |
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/*
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* DECLARE_RUN_ONCE: Declare an initialiser function that should be run exactly |
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* once that has been defined in another file via DEFINE_RUN_ONCE(). |
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*/ |
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#define DECLARE_RUN_ONCE(init) \ |
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extern int init##_ossl_ret_; \ |
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void init##_ossl_(void); |
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/*
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* DEFINE_RUN_ONCE_STATIC: Define an initialiser function that should be run |
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* exactly once. This function will be declared as static within the file. It |
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* takes no arguments and returns and int result (1 for success or 0 for |
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* failure). Typical usage might be: |
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* |
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* DEFINE_RUN_ONCE_STATIC(myinitfunc) |
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* { |
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* do_some_initialisation(); |
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* if (init_is_successful()) |
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* return 1; |
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* |
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* return 0; |
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* } |
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*/ |
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#define DEFINE_RUN_ONCE_STATIC(init) \ |
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static int init(void); \ |
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static int init##_ossl_ret_ = 0; \ |
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static void init##_ossl_(void) \ |
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{ \ |
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init##_ossl_ret_ = init(); \ |
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} \ |
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static int init(void) |
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/*
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* DEFINE_RUN_ONCE_STATIC_ALT: Define an alternative initialiser function. This |
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* function will be declared as static within the file. It takes no arguments |
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* and returns an int result (1 for success or 0 for failure). An alternative |
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* initialiser function is expected to be associated with a primary initialiser |
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* function defined via DEFINE_ONCE_STATIC where both functions use the same |
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* CRYPTO_ONCE object to synchronise. Where an alternative initialiser function |
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* is used only one of the primary or the alternative initialiser function will |
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* ever be called - and that function will be called exactly once. Definition |
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* of an alternative initialiser function MUST occur AFTER the definition of the |
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* primary initialiser function. |
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* |
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* Typical usage might be: |
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* |
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* DEFINE_RUN_ONCE_STATIC(myinitfunc) |
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* { |
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* do_some_initialisation(); |
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* if (init_is_successful()) |
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* return 1; |
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* |
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* return 0; |
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* } |
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* |
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* DEFINE_RUN_ONCE_STATIC_ALT(myaltinitfunc, myinitfunc) |
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* { |
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* do_some_alternative_initialisation(); |
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* if (init_is_successful()) |
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* return 1; |
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* |
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* return 0; |
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* } |
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*/ |
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#define DEFINE_RUN_ONCE_STATIC_ALT(initalt, init) \ |
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static int initalt(void); \ |
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static void initalt##_ossl_(void) \ |
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{ \ |
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init##_ossl_ret_ = initalt(); \ |
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} \ |
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static int initalt(void) |
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/*
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* RUN_ONCE - use CRYPTO_THREAD_run_once, and check if the init succeeded |
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* @once: pointer to static object of type CRYPTO_ONCE |
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* @init: function name that was previously given to DEFINE_RUN_ONCE, |
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* DEFINE_RUN_ONCE_STATIC or DECLARE_RUN_ONCE. This function |
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* must return 1 for success or 0 for failure. |
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* |
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* The return value is 1 on success (*) or 0 in case of error. |
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* |
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* (*) by convention, since the init function must return 1 on success. |
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*/ |
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#define RUN_ONCE(once, init) \ |
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(CRYPTO_THREAD_run_once(once, init##_ossl_) ? init##_ossl_ret_ : 0) |
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/*
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* RUN_ONCE_ALT - use CRYPTO_THREAD_run_once, to run an alternative initialiser |
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* function and check if that initialisation succeeded |
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* @once: pointer to static object of type CRYPTO_ONCE |
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* @initalt: alternative initialiser function name that was previously given to |
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* DEFINE_RUN_ONCE_STATIC_ALT. This function must return 1 for |
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* success or 0 for failure. |
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* @init: primary initialiser function name that was previously given to |
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* DEFINE_RUN_ONCE_STATIC. This function must return 1 for success or |
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* 0 for failure. |
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* |
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* The return value is 1 on success (*) or 0 in case of error. |
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* |
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* (*) by convention, since the init function must return 1 on success. |
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*/ |
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#define RUN_ONCE_ALT(once, initalt, init) \ |
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(CRYPTO_THREAD_run_once(once, initalt##_ossl_) ? init##_ossl_ret_ : 0) |
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