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c1d56231ef
If ossl_method_store_add() gets called with a method that already exists (i.e. the store has one with matching provider, nid and properties), that method should not be stored. We do this check inside ossl_method_store_add() because it has all the locking required to do so safely. Fixes #9561 Reviewed-by: Shane Lontis <shane.lontis@oracle.com> (Merged from https://github.com/openssl/openssl/pull/9650)
62 lines
2.4 KiB
C
62 lines
2.4 KiB
C
/*
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* Copyright 2019 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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/*
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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)(OPENSSL_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)(OPENSSL_CTX *libctx, void *store,
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int operation_id, const char *name, const char *propquery,
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void *data);
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/* Store a method in a store */
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int (*put)(OPENSSL_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 char *name, const OSSL_DISPATCH *fns,
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OSSL_PROVIDER *prov, 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(OPENSSL_CTX *ctx, int operation_id,
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const char *name, const char *properties,
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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(OPENSSL_CTX *libctx, int operation_id,
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OSSL_PROVIDER *provider,
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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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void *data);
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#endif
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