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3374dc03 | 1 | /* |
8020d79b | 2 | * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. |
3374dc03 RL |
3 | * |
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 | |
8 | */ | |
9 | ||
d382c465 | 10 | #include <string.h> |
3374dc03 RL |
11 | #include <openssl/err.h> |
12 | #include <openssl/cryptoerr.h> | |
13 | #include <openssl/provider.h> | |
04cb5ec0 | 14 | #include <openssl/core_names.h> |
3374dc03 | 15 | #include "internal/provider.h" |
d382c465 | 16 | #include "provider_local.h" |
3374dc03 | 17 | |
299f5ff3 P |
18 | OSSL_PROVIDER *OSSL_PROVIDER_try_load(OSSL_LIB_CTX *libctx, const char *name, |
19 | int retain_fallbacks) | |
3374dc03 RL |
20 | { |
21 | OSSL_PROVIDER *prov = NULL; | |
29aff653 | 22 | int isnew = 0; |
3374dc03 RL |
23 | |
24 | /* Find it or create it */ | |
29aff653 MC |
25 | if ((prov = ossl_provider_find(libctx, name, 0)) == NULL) { |
26 | if ((prov = ossl_provider_new(libctx, name, NULL, 0)) == NULL) | |
27 | return NULL; | |
28 | isnew = 1; | |
29 | } | |
3374dc03 | 30 | |
814c2018 | 31 | if (!ossl_provider_activate(prov, 1, 0)) { |
3374dc03 RL |
32 | ossl_provider_free(prov); |
33 | return NULL; | |
34 | } | |
35 | ||
eb2263da | 36 | if (isnew && !ossl_provider_add_to_store(prov, retain_fallbacks)) { |
29aff653 MC |
37 | ossl_provider_deactivate(prov); |
38 | ossl_provider_free(prov); | |
39 | return NULL; | |
40 | } | |
41 | ||
3374dc03 RL |
42 | return prov; |
43 | } | |
44 | ||
b4250010 | 45 | OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *libctx, const char *name) |
ebe3f24b P |
46 | { |
47 | /* Any attempt to load a provider disables auto-loading of defaults */ | |
48 | if (ossl_provider_disable_fallback_loading(libctx)) | |
299f5ff3 | 49 | return OSSL_PROVIDER_try_load(libctx, name, 0); |
ebe3f24b P |
50 | return NULL; |
51 | } | |
52 | ||
3374dc03 RL |
53 | int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov) |
54 | { | |
390f9bad RL |
55 | if (!ossl_provider_deactivate(prov)) |
56 | return 0; | |
3374dc03 RL |
57 | ossl_provider_free(prov); |
58 | return 1; | |
59 | } | |
60 | ||
dca97d00 | 61 | const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov) |
3374dc03 | 62 | { |
dca97d00 | 63 | return ossl_provider_gettable_params(prov); |
3374dc03 RL |
64 | } |
65 | ||
4e7991b4 | 66 | int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]) |
3374dc03 RL |
67 | { |
68 | return ossl_provider_get_params(prov, params); | |
69 | } | |
70 | ||
5f603a28 MC |
71 | const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const OSSL_PROVIDER *prov, |
72 | int operation_id, | |
73 | int *no_cache) | |
74 | { | |
75 | return ossl_provider_query_operation(prov, operation_id, no_cache); | |
76 | } | |
77 | ||
b0001d0c P |
78 | void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER *prov, |
79 | int operation_id, | |
80 | const OSSL_ALGORITHM *algs) | |
81 | { | |
82 | ossl_provider_unquery_operation(prov, operation_id, algs); | |
83 | } | |
84 | ||
d01d3752 MC |
85 | void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov) |
86 | { | |
87 | return ossl_provider_prov_ctx(prov); | |
88 | } | |
5f603a28 | 89 | |
f12a5690 MC |
90 | const OSSL_DISPATCH *OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER *prov) |
91 | { | |
92 | return ossl_provider_get0_dispatch(prov); | |
93 | } | |
94 | ||
04cb5ec0 SL |
95 | int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov) |
96 | { | |
97 | return ossl_provider_self_test(prov); | |
98 | } | |
99 | ||
82ec09ec MC |
100 | int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov, |
101 | const char *capability, | |
102 | OSSL_CALLBACK *cb, | |
103 | void *arg) | |
104 | { | |
105 | return ossl_provider_get_capabilities(prov, capability, cb, arg); | |
106 | } | |
107 | ||
d382c465 MC |
108 | int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX *libctx, const char *name, |
109 | OSSL_provider_init_fn *init_fn) | |
110 | { | |
111 | OSSL_PROVIDER_INFO entry; | |
112 | ||
113 | if (name == NULL || init_fn == NULL) { | |
114 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER); | |
115 | return 0; | |
116 | } | |
117 | memset(&entry, 0, sizeof(entry)); | |
118 | entry.name = OPENSSL_strdup(name); | |
119 | if (entry.name == NULL) { | |
120 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE); | |
121 | return 0; | |
122 | } | |
123 | entry.init = init_fn; | |
124 | if (!ossl_provider_info_add_to_store(libctx, &entry)) { | |
125 | ossl_provider_info_clear(&entry); | |
126 | return 0; | |
127 | } | |
128 | return 1; | |
129 | } | |
130 | ||
c4e91674 | 131 | const char *OSSL_PROVIDER_get0_name(const OSSL_PROVIDER *prov) |
b37066fd RL |
132 | { |
133 | return ossl_provider_name(prov); | |
134 | } | |
a7ad40c5 | 135 | |
b4250010 | 136 | int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx, |
a7ad40c5 RL |
137 | int (*cb)(OSSL_PROVIDER *provider, |
138 | void *cbdata), | |
139 | void *cbdata) | |
140 | { | |
8f089576 | 141 | return ossl_provider_doall_activated(ctx, cb, cbdata); |
a7ad40c5 | 142 | } |