2 * Copyright 2019-2020 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)
18 OSSL_PROVIDER *prov = NULL;
20 /* Find it or create it */
21 if ((prov = ossl_provider_find(libctx, name, 0)) == NULL
22 && (prov = ossl_provider_new(libctx, name, NULL, 0)) == NULL)
25 if (!ossl_provider_activate(prov)) {
26 ossl_provider_free(prov);
33 OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *libctx, const char *name)
35 /* Any attempt to load a provider disables auto-loading of defaults */
36 if (ossl_provider_disable_fallback_loading(libctx))
37 return OSSL_PROVIDER_try_load(libctx, name);
41 int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov)
43 if (!ossl_provider_deactivate(prov))
45 ossl_provider_free(prov);
49 int OSSL_PROVIDER_available(OSSL_LIB_CTX *libctx, const char *name)
51 OSSL_PROVIDER *prov = NULL;
54 /* Find it or create it */
55 prov = ossl_provider_find(libctx, name, 0);
56 available = ossl_provider_available(prov);
57 ossl_provider_free(prov);
61 const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov)
63 return ossl_provider_gettable_params(prov);
66 int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
68 return ossl_provider_get_params(prov, params);
71 const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const OSSL_PROVIDER *prov,
75 return ossl_provider_query_operation(prov, operation_id, no_cache);
78 void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov)
80 return ossl_provider_prov_ctx(prov);
83 int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov)
85 return ossl_provider_self_test(prov);
88 int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov,
89 const char *capability,
93 return ossl_provider_get_capabilities(prov, capability, cb, arg);
96 int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX *libctx, const char *name,
97 OSSL_provider_init_fn *init_fn)
99 OSSL_PROVIDER *prov = NULL;
101 if (name == NULL || init_fn == NULL) {
102 ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
107 if ((prov = ossl_provider_new(libctx, name, init_fn, 0)) == NULL)
111 * It's safely stored in the internal store at this point,
112 * free the returned extra reference
114 ossl_provider_free(prov);
119 const char *OSSL_PROVIDER_name(const OSSL_PROVIDER *prov)
121 return ossl_provider_name(prov);
124 int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx,
125 int (*cb)(OSSL_PROVIDER *provider,
129 return ossl_provider_forall_loaded(ctx, cb, cbdata);