2 * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include <openssl/core.h>
13 #include "internal/cryptlib.h"
14 #include "internal/core.h"
15 #include "internal/property.h"
16 #include "internal/provider.h"
18 struct construct_data_st {
20 OSSL_METHOD_STORE *store;
23 OSSL_METHOD_CONSTRUCT_METHOD *mcm;
27 static void ossl_method_construct_this(OSSL_PROVIDER *provider,
28 const OSSL_ALGORITHM *algo,
29 int no_store, void *cbdata)
31 struct construct_data_st *data = cbdata;
34 if ((method = data->mcm->construct(algo->algorithm_name,
35 algo->implementation, provider,
36 data->mcm_data)) == NULL)
40 * Note regarding putting the method in stores:
42 * we don't need to care if it actually got in or not here.
43 * If it didn't get in, it will simply not be available when
44 * ossl_method_construct() tries to get it from the store.
46 * It is *expected* that the put function increments the refcnt
47 * of the passed method.
50 if (data->force_store || !no_store) {
52 * If we haven't been told not to store,
53 * add to the global store
55 data->mcm->put(data->libctx, NULL, method, data->operation_id,
57 algo->property_definition, data->mcm_data);
60 data->mcm->put(data->libctx, data->store, method, data->operation_id,
61 algo->algorithm_name, algo->property_definition,
64 /* refcnt-- because we're dropping the reference */
65 data->mcm->destruct(method, data->mcm_data);
68 void *ossl_method_construct(OPENSSL_CTX *libctx, int operation_id,
69 const char *name, const char *propquery,
71 OSSL_METHOD_CONSTRUCT_METHOD *mcm, void *mcm_data)
76 mcm->get(libctx, NULL, operation_id, name, propquery, mcm_data))
78 struct construct_data_st cbdata;
81 * We have a temporary store to be able to easily search among new
82 * items, or items that should find themselves in the global store.
84 if ((cbdata.store = mcm->alloc_tmp_store(libctx)) == NULL)
87 cbdata.libctx = libctx;
88 cbdata.operation_id = operation_id;
89 cbdata.force_store = force_store;
91 cbdata.mcm_data = mcm_data;
92 ossl_algorithm_do_all(libctx, operation_id, NULL,
93 ossl_method_construct_this, &cbdata);
95 method = mcm->get(libctx, cbdata.store, operation_id, name,
97 mcm->dealloc_tmp_store(cbdata.store);