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
)) {
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 int OSSL_PROVIDER_self_test(const OSSL_PROVIDER
*prov
)
93 return ossl_provider_self_test(prov
);
96 int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER
*prov
,
97 const char *capability
,
101 return ossl_provider_get_capabilities(prov
, capability
, cb
, arg
);
104 int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX
*libctx
, const char *name
,
105 OSSL_provider_init_fn
*init_fn
)
107 OSSL_PROVIDER
*prov
= NULL
;
109 if (name
== NULL
|| init_fn
== NULL
) {
110 ERR_raise(ERR_LIB_CRYPTO
, ERR_R_PASSED_NULL_PARAMETER
);
115 if ((prov
= ossl_provider_new(libctx
, name
, init_fn
, 0)) == NULL
)
119 * It's safely stored in the internal store at this point,
120 * free the returned extra reference
122 ossl_provider_free(prov
);
127 const char *OSSL_PROVIDER_name(const OSSL_PROVIDER
*prov
)
129 return ossl_provider_name(prov
);
132 int OSSL_PROVIDER_do_all(OSSL_LIB_CTX
*ctx
,
133 int (*cb
)(OSSL_PROVIDER
*provider
,
137 return ossl_provider_doall_activated(ctx
, cb
, cbdata
);