81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
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/*
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* Copyright 2020-2023 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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#include <string.h>
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#include <stdio.h>
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#include <openssl/core.h>
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#include <openssl/core_dispatch.h>
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#include <openssl/core_names.h>
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#include <openssl/params.h>
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#include "prov/implementations.h"
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#include "prov/providercommon.h"
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OSSL_provider_init_fn ossl_null_provider_init;
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/* Parameters we provide to the core */
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static const OSSL_PARAM null_param_types[] = {
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OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
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OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
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OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
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OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
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OSSL_PARAM_END
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};
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static const OSSL_PARAM *null_gettable_params(const OSSL_PROVIDER *prov)
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{
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return null_param_types;
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}
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static int null_get_params(const OSSL_PROVIDER *provctx, OSSL_PARAM params[])
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{
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OSSL_PARAM *p;
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p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
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if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Null Provider"))
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return 0;
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p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
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if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
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return 0;
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p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
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if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
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return 0;
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p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
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if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
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return 0;
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return 1;
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}
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static const OSSL_ALGORITHM *null_query(OSSL_PROVIDER *prov,
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int operation_id,
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int *no_cache)
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{
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*no_cache = 0;
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return NULL;
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}
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/* Functions we provide to the core */
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static const OSSL_DISPATCH null_dispatch_table[] = {
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{ OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))null_gettable_params },
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{ OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))null_get_params },
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{ OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))null_query },
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OSSL_DISPATCH_END
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};
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int ossl_null_provider_init(const OSSL_CORE_HANDLE *handle,
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const OSSL_DISPATCH *in,
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const OSSL_DISPATCH **out,
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void **provctx)
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{
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*out = null_dispatch_table;
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/* Could be anything - we don't use it */
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*provctx = (void *)handle;
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return 1;
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}
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