openssl/test/provider_fallback_test.c

/*
 * Copyright 2020-2024 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
 */

#include <stddef.h>
#include <openssl/provider.h>
#include <openssl/evp.h>
#include "testutil.h"

static int test_provider(OSSL_LIB_CTX *ctx)
{
    EVP_KEYMGMT *rsameth = NULL;
    const OSSL_PROVIDER *prov = NULL;
    int ok;

    ok = TEST_true(OSSL_PROVIDER_available(ctx, "default"))
        && TEST_ptr(rsameth = EVP_KEYMGMT_fetch(ctx, "RSA", NULL))
        && TEST_ptr(prov = EVP_KEYMGMT_get0_provider(rsameth))
        && TEST_str_eq(OSSL_PROVIDER_get0_name(prov), "default");

    EVP_KEYMGMT_free(rsameth);
    return ok;
}

static int test_fallback_provider(void)
{
    return test_provider(NULL);
}

static int test_explicit_provider(void)
{
    OSSL_LIB_CTX *ctx = NULL;
    OSSL_PROVIDER *prov = NULL;
    int ok;

    ok = TEST_ptr(ctx = OSSL_LIB_CTX_new())
        && TEST_ptr(prov = OSSL_PROVIDER_load(ctx, "default"));

    if (ok) {
        ok = test_provider(ctx);
        if (ok)
            ok = TEST_true(OSSL_PROVIDER_unload(prov));
        else
            OSSL_PROVIDER_unload(prov);
    }

    OSSL_LIB_CTX_free(ctx);
    return ok;
}


int setup_tests(void)
{
    ADD_TEST(test_fallback_provider);
    ADD_TEST(test_explicit_provider);
    return 1;
}