| 1 | /*
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| 2 | * Copyright 2019-2022 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #ifndef OSSL_INTERNAL_CORE_H
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| 11 | # define OSSL_INTERNAL_CORE_H
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| 12 | # ifndef RT_WITHOUT_PRAGMA_ONCE /* VBOX */
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| 13 | # pragma once
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| 14 | # endif /* VBOX */
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| 15 |
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| 16 | /*
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| 17 | * namespaces:
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| 18 | *
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| 19 | * ossl_method_ Core Method API
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| 20 | */
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| 21 |
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| 22 | /*
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| 23 | * construct an arbitrary method from a dispatch table found by looking
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| 24 | * up a match for the < operation_id, name, property > combination.
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| 25 | * constructor and destructor are the constructor and destructor for that
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| 26 | * arbitrary object.
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| 27 | *
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| 28 | * These objects are normally cached, unless the provider says not to cache.
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| 29 | * However, force_cache can be used to force caching whatever the provider
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| 30 | * says (for example, because the application knows better).
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| 31 | */
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| 32 | typedef struct ossl_method_construct_method_st {
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| 33 | /* Get a temporary store */
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| 34 | void *(*get_tmp_store)(void *data);
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| 35 | /* Reserve the appropriate method store */
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| 36 | int (*lock_store)(void *store, void *data);
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| 37 | /* Unreserve the appropriate method store */
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| 38 | int (*unlock_store)(void *store, void *data);
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| 39 | /* Get an already existing method from a store */
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| 40 | void *(*get)(void *store, const OSSL_PROVIDER **prov, void *data);
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| 41 | /* Store a method in a store */
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| 42 | int (*put)(void *store, void *method, const OSSL_PROVIDER *prov,
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| 43 | const char *name, const char *propdef, void *data);
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| 44 | /* Construct a new method */
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| 45 | void *(*construct)(const OSSL_ALGORITHM *algodef, OSSL_PROVIDER *prov,
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| 46 | void *data);
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| 47 | /* Destruct a method */
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| 48 | void (*destruct)(void *method, void *data);
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| 49 | } OSSL_METHOD_CONSTRUCT_METHOD;
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| 50 |
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| 51 | void *ossl_method_construct(OSSL_LIB_CTX *ctx, int operation_id,
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| 52 | OSSL_PROVIDER **provider_rw, int force_cache,
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| 53 | OSSL_METHOD_CONSTRUCT_METHOD *mcm, void *mcm_data);
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| 54 |
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| 55 | void ossl_algorithm_do_all(OSSL_LIB_CTX *libctx, int operation_id,
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| 56 | OSSL_PROVIDER *provider,
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| 57 | int (*pre)(OSSL_PROVIDER *, int operation_id,
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| 58 | int no_store, void *data, int *result),
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| 59 | int (*reserve_store)(int no_store, void *data),
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| 60 | void (*fn)(OSSL_PROVIDER *provider,
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| 61 | const OSSL_ALGORITHM *algo,
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| 62 | int no_store, void *data),
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| 63 | int (*unreserve_store)(void *data),
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| 64 | int (*post)(OSSL_PROVIDER *, int operation_id,
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| 65 | int no_store, void *data, int *result),
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| 66 | void *data);
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| 67 | char *ossl_algorithm_get1_first_name(const OSSL_ALGORITHM *algo);
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| 68 |
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| 69 | __owur int ossl_lib_ctx_write_lock(OSSL_LIB_CTX *ctx);
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| 70 | __owur int ossl_lib_ctx_read_lock(OSSL_LIB_CTX *ctx);
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| 71 | int ossl_lib_ctx_unlock(OSSL_LIB_CTX *ctx);
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| 72 | int ossl_lib_ctx_is_child(OSSL_LIB_CTX *ctx);
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| 73 | #endif
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