/*
 * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#ifndef OPENSSL_PROVIDER_H
#define OPENSSL_PROVIDER_H
#pragma once

#include <openssl/core.h>

#ifdef __cplusplus
extern "C"
{
#endif

    /* Set the default provider search path */
    int OSSL_PROVIDER_set_default_search_path(OSSL_LIB_CTX*, const char* path);

    /* Load and unload a provider */
    OSSL_PROVIDER* OSSL_PROVIDER_load(OSSL_LIB_CTX*, const char* name);
    OSSL_PROVIDER* OSSL_PROVIDER_try_load(OSSL_LIB_CTX*, const char* name, int retain_fallbacks);
    int OSSL_PROVIDER_unload(OSSL_PROVIDER* prov);
    int OSSL_PROVIDER_available(OSSL_LIB_CTX*, const char* name);
    int OSSL_PROVIDER_do_all(OSSL_LIB_CTX* ctx, int (*cb)(OSSL_PROVIDER* provider, void* cbdata), void* cbdata);

    const OSSL_PARAM* OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER* prov);
    int OSSL_PROVIDER_get_params(const OSSL_PROVIDER* prov, OSSL_PARAM params[]);
    int OSSL_PROVIDER_self_test(const OSSL_PROVIDER* prov);
    int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER* prov, const char* capability, OSSL_CALLBACK* cb, void* arg);

    const OSSL_ALGORITHM* OSSL_PROVIDER_query_operation(const OSSL_PROVIDER* prov, int operation_id, int* no_cache);
    void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER* prov, int operation_id, const OSSL_ALGORITHM* algs);
    void* OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER* prov);
    const OSSL_DISPATCH* OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER* prov);

    /* Add a built in providers */
    int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX*, const char* name, OSSL_provider_init_fn* init_fn);

    /* Information */
    const char* OSSL_PROVIDER_get0_name(const OSSL_PROVIDER* prov);

#ifdef __cplusplus
}
#endif

#endif