Coverage Report

Created: 2025-06-22 06:56

/src/openssl/crypto/provider.c
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Source (jump to first uncovered line)
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/*
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 * Copyright 2019-2025 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 <openssl/err.h>
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#include <openssl/cryptoerr.h>
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#include <openssl/provider.h>
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#include <openssl/core_names.h>
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#include "internal/provider.h"
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#include "provider_local.h"
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OSSL_PROVIDER *OSSL_PROVIDER_try_load_ex(OSSL_LIB_CTX *libctx, const char *name,
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                                         OSSL_PARAM *params, int retain_fallbacks)
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{
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    OSSL_PROVIDER *prov = NULL, *actual;
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    int isnew = 0;
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    /* Find it or create it */
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    if ((prov = ossl_provider_find(libctx, name, 0)) == NULL) {
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        if ((prov = ossl_provider_new(libctx, name, NULL, params, 0)) == NULL)
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            return NULL;
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        isnew = 1;
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    }
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    if (!ossl_provider_activate(prov, 1, 0)) {
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        ossl_provider_free(prov);
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        return NULL;
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    }
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    actual = prov;
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    if (isnew && !ossl_provider_add_to_store(prov, &actual, retain_fallbacks)) {
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        ossl_provider_deactivate(prov, 1);
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        ossl_provider_free(prov);
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        return NULL;
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    }
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    if (actual != prov) {
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        if (!ossl_provider_activate(actual, 1, 0)) {
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            ossl_provider_free(actual);
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            return NULL;
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        }
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    }
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    return actual;
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}
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OSSL_PROVIDER *OSSL_PROVIDER_try_load(OSSL_LIB_CTX *libctx, const char *name,
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                                      int retain_fallbacks)
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{
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    return OSSL_PROVIDER_try_load_ex(libctx, name, NULL, retain_fallbacks);
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}
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OSSL_PROVIDER *OSSL_PROVIDER_load_ex(OSSL_LIB_CTX *libctx, const char *name, OSSL_PARAM *params)
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0
{
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    /* Any attempt to load a provider disables auto-loading of defaults */
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0
    if (ossl_provider_disable_fallback_loading(libctx))
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        return OSSL_PROVIDER_try_load_ex(libctx, name, params, 0);
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0
    return NULL;
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}
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OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *libctx, const char *name)
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0
{
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    return OSSL_PROVIDER_load_ex(libctx, name, NULL);
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0
}
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int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov)
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0
{
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    if (!ossl_provider_deactivate(prov, 1))
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        return 0;
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    ossl_provider_free(prov);
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    return 1;
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}
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const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov)
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0
{
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    return ossl_provider_gettable_params(prov);
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}
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int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
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{
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    return ossl_provider_get_params(prov, params);
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}
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const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const 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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    return ossl_provider_query_operation(prov, operation_id, no_cache);
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0
}
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void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER *prov,
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                                     int operation_id,
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                                     const OSSL_ALGORITHM *algs)
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{
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    ossl_provider_unquery_operation(prov, operation_id, algs);
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0
}
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void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov)
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{
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    return ossl_provider_ctx(prov);
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}
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const OSSL_DISPATCH *OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER *prov)
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{
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    return ossl_provider_get0_dispatch(prov);
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}
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int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov)
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{
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    return ossl_provider_self_test(prov);
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}
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int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov,
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                                   const char *capability,
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                                   OSSL_CALLBACK *cb,
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                                   void *arg)
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{
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    return ossl_provider_get_capabilities(prov, capability, cb, arg);
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}
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int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX *libctx, const char *name,
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                              OSSL_provider_init_fn *init_fn)
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{
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    OSSL_PROVIDER_INFO entry;
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    if (name == NULL || init_fn == NULL) {
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        ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
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        return 0;
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    }
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    memset(&entry, 0, sizeof(entry));
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    entry.name = OPENSSL_strdup(name);
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    if (entry.name == NULL)
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        return 0;
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    entry.init = init_fn;
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    if (!ossl_provider_info_add_to_store(libctx, &entry)) {
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        ossl_provider_info_clear(&entry);
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        return 0;
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    }
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    return 1;
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}
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const char *OSSL_PROVIDER_get0_name(const OSSL_PROVIDER *prov)
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{
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    return ossl_provider_name(prov);
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}
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int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx,
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                         int (*cb)(OSSL_PROVIDER *provider,
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                                   void *cbdata),
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                         void *cbdata)
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0
{
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    return ossl_provider_doall_activated(ctx, cb, cbdata);
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}