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f12a5690de
Add a child OSSL_LIB_CTX that will mirror the providers loaded into the parent libctx. This is useful for providers that want to use algorithms from other providers and just need to inherit the providers used by the application. Fixes #14925 Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14991)
70 lines
2.8 KiB
C
70 lines
2.8 KiB
C
/*
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* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (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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#ifndef OSSL_INTERNAL_CORE_H
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# define OSSL_INTERNAL_CORE_H
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# pragma once
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/*
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* namespaces:
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*
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* ossl_method_ Core Method API
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*/
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/*
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* construct an arbitrary method from a dispatch table found by looking
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* up a match for the < operation_id, name, property > combination.
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* constructor and destructor are the constructor and destructor for that
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* arbitrary object.
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*
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* These objects are normally cached, unless the provider says not to cache.
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* However, force_cache can be used to force caching whatever the provider
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* says (for example, because the application knows better).
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*/
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typedef struct ossl_method_construct_method_st {
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/* Create store */
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void *(*alloc_tmp_store)(OSSL_LIB_CTX *ctx);
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/* Remove a store */
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void (*dealloc_tmp_store)(void *store);
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/* Get an already existing method from a store */
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void *(*get)(OSSL_LIB_CTX *libctx, void *store, void *data);
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/* Store a method in a store */
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int (*put)(OSSL_LIB_CTX *libctx, void *store, void *method,
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const OSSL_PROVIDER *prov, int operation_id, const char *name,
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const char *propdef, void *data);
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/* Construct a new method */
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void *(*construct)(const OSSL_ALGORITHM *algodef, OSSL_PROVIDER *prov,
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void *data);
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/* Destruct a method */
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void (*destruct)(void *method, void *data);
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} OSSL_METHOD_CONSTRUCT_METHOD;
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void *ossl_method_construct(OSSL_LIB_CTX *ctx, int operation_id,
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int force_cache,
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OSSL_METHOD_CONSTRUCT_METHOD *mcm, void *mcm_data);
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void ossl_algorithm_do_all(OSSL_LIB_CTX *libctx, int operation_id,
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OSSL_PROVIDER *provider,
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int (*pre)(OSSL_PROVIDER *, int operation_id,
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void *data, int *result),
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void (*fn)(OSSL_PROVIDER *provider,
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const OSSL_ALGORITHM *algo,
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int no_store, void *data),
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int (*post)(OSSL_PROVIDER *, int operation_id,
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int no_store, void *data, int *result),
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void *data);
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char *ossl_algorithm_get1_first_name(const OSSL_ALGORITHM *algo);
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__owur int ossl_lib_ctx_write_lock(OSSL_LIB_CTX *ctx);
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__owur int ossl_lib_ctx_read_lock(OSSL_LIB_CTX *ctx);
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int ossl_lib_ctx_unlock(OSSL_LIB_CTX *ctx);
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int ossl_lib_ctx_is_child(OSSL_LIB_CTX *ctx);
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#endif
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