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;
21 /* Find it or create it */
22 if ((prov = ossl_provider_find(libctx, name, 0)) == NULL
23 && (prov = ossl_provider_new(libctx, name, NULL, 0)) == NULL)
26 if (!ossl_provider_activate(prov, retain_fallbacks, 1)) {
27 ossl_provider_free(prov);
34 OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *libctx, const char *name)
36 /* Any attempt to load a provider disables auto-loading of defaults */
37 if (ossl_provider_disable_fallback_loading(libctx))
38 return OSSL_PROVIDER_try_load(libctx, name, 0);
42 int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov)
44 if (!ossl_provider_deactivate(prov))
46 ossl_provider_free(prov);
50 int OSSL_PROVIDER_available(OSSL_LIB_CTX *libctx, const char *name)
52 OSSL_PROVIDER *prov = NULL;
55 /* Find it or create it */
56 prov = ossl_provider_find(libctx, name, 0);
57 available = ossl_provider_available(prov);
58 ossl_provider_free(prov);
62 const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov)
64 return ossl_provider_gettable_params(prov);
67 int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[])
69 return ossl_provider_get_params(prov, params);
72 const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const OSSL_PROVIDER *prov,
76 return ossl_provider_query_operation(prov, operation_id, no_cache);
79 void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER *prov,
81 const OSSL_ALGORITHM *algs)
83 ossl_provider_unquery_operation(prov, operation_id, algs);
86 void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov)
88 return ossl_provider_prov_ctx(prov);
91 const OSSL_DISPATCH *OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER *prov)
93 return ossl_provider_get0_dispatch(prov);
96 int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov)
98 return ossl_provider_self_test(prov);
101 int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov,
102 const char *capability,
106 return ossl_provider_get_capabilities(prov, capability, cb, arg);
109 int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX *libctx, const char *name,
110 OSSL_provider_init_fn *init_fn)
112 OSSL_PROVIDER *prov = NULL;
114 if (name == NULL || init_fn == NULL) {
115 ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER);
120 if ((prov = ossl_provider_new(libctx, name, init_fn, 0)) == NULL)
124 * It's safely stored in the internal store at this point,
125 * free the returned extra reference
127 ossl_provider_free(prov);
132 const char *OSSL_PROVIDER_name(const OSSL_PROVIDER *prov)
134 return ossl_provider_name(prov);
137 int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx,
138 int (*cb)(OSSL_PROVIDER *provider,
142 return ossl_provider_doall_activated(ctx, cb, cbdata);