2 * Copyright 2019-2021 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
10 #include <openssl/err.h>
11 #include <openssl/cryptoerr.h>
12 #include <openssl/provider.h>
13 #include <openssl/core_names.h>
14 #include "internal/provider.h"
16 OSSL_PROVIDER *OSSL_PROVIDER_try_load(OSSL_LIB_CTX *libctx, const char *name,
19 OSSL_PROVIDER *prov = NULL;
22 /* Find it or create it */
23 if ((prov = ossl_provider_find(libctx, name, 0)) == NULL) {
24 if ((prov = ossl_provider_new(libctx, name, NULL, 0)) == NULL)
29 if (!ossl_provider_activate(prov, 1, 0)) {
30 ossl_provider_free(prov);
34 if (isnew && !ossl_provider_add_to_store(prov, retain_fallbacks)) {
35 ossl_provider_deactivate(prov);
36 ossl_provider_free(prov);
43 OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *libctx, const char *name)
45 /* Any attempt to load a provider disables auto-loading of defaults */
46 if (ossl_provider_disable_fallback_loading(libctx))
47 return OSSL_PROVIDER_try_load(libctx, name, 0);
51 int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov)
53 if (!ossl_provider_deactivate(prov))
55 ossl_provider_free(prov);
59 const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov)
61 return ossl_provider_gettable_params(prov);
64 int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
66 return ossl_provider_get_params(prov, params);
69 const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const OSSL_PROVIDER *prov,
73 return ossl_provider_query_operation(prov, operation_id, no_cache);
76 void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER *prov,
78 const OSSL_ALGORITHM *algs)
80 ossl_provider_unquery_operation(prov, operation_id, algs);
83 void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov)
85 return ossl_provider_prov_ctx(prov);
88 const OSSL_DISPATCH *OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER *prov)
90 return ossl_provider_get0_dispatch(prov);
93 int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov)
95 return ossl_provider_self_test(prov);
98 int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov,
99 const char *capability,
103 return ossl_provider_get_capabilities(prov, capability, cb, arg);
106 const char *OSSL_PROVIDER_get0_name(const OSSL_PROVIDER *prov)
108 return ossl_provider_name(prov);
111 int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx,
112 int (*cb)(OSSL_PROVIDER *provider,
116 return ossl_provider_doall_activated(ctx, cb, cbdata);