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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 | 20 | { |
59a783d0 | 21 | OSSL_PROVIDER *prov = NULL, *actual; |
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 | ||
59a783d0 MC |
36 | actual = prov; |
37 | if (isnew && !ossl_provider_add_to_store(prov, &actual, retain_fallbacks)) { | |
c59fc87b | 38 | ossl_provider_deactivate(prov, 1); |
29aff653 MC |
39 | ossl_provider_free(prov); |
40 | return NULL; | |
41 | } | |
1e8ed3e5 MC |
42 | if (actual != prov) { |
43 | if (!ossl_provider_activate(actual, 1, 0)) { | |
44 | ossl_provider_free(actual); | |
45 | return NULL; | |
46 | } | |
47 | } | |
29aff653 | 48 | |
59a783d0 | 49 | return actual; |
3374dc03 RL |
50 | } |
51 | ||
b4250010 | 52 | OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *libctx, const char *name) |
ebe3f24b P |
53 | { |
54 | /* Any attempt to load a provider disables auto-loading of defaults */ | |
55 | if (ossl_provider_disable_fallback_loading(libctx)) | |
299f5ff3 | 56 | return OSSL_PROVIDER_try_load(libctx, name, 0); |
ebe3f24b P |
57 | return NULL; |
58 | } | |
59 | ||
3374dc03 RL |
60 | int OSSL_PROVIDER_unload(OSSL_PROVIDER *prov) |
61 | { | |
c59fc87b | 62 | if (!ossl_provider_deactivate(prov, 1)) |
390f9bad | 63 | return 0; |
3374dc03 RL |
64 | ossl_provider_free(prov); |
65 | return 1; | |
66 | } | |
67 | ||
dca97d00 | 68 | const OSSL_PARAM *OSSL_PROVIDER_gettable_params(const OSSL_PROVIDER *prov) |
3374dc03 | 69 | { |
dca97d00 | 70 | return ossl_provider_gettable_params(prov); |
3374dc03 RL |
71 | } |
72 | ||
4e7991b4 | 73 | int OSSL_PROVIDER_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]) |
3374dc03 RL |
74 | { |
75 | return ossl_provider_get_params(prov, params); | |
76 | } | |
77 | ||
5f603a28 MC |
78 | const OSSL_ALGORITHM *OSSL_PROVIDER_query_operation(const OSSL_PROVIDER *prov, |
79 | int operation_id, | |
80 | int *no_cache) | |
81 | { | |
82 | return ossl_provider_query_operation(prov, operation_id, no_cache); | |
83 | } | |
84 | ||
b0001d0c P |
85 | void OSSL_PROVIDER_unquery_operation(const OSSL_PROVIDER *prov, |
86 | int operation_id, | |
87 | const OSSL_ALGORITHM *algs) | |
88 | { | |
89 | ossl_provider_unquery_operation(prov, operation_id, algs); | |
90 | } | |
91 | ||
d01d3752 MC |
92 | void *OSSL_PROVIDER_get0_provider_ctx(const OSSL_PROVIDER *prov) |
93 | { | |
94 | return ossl_provider_prov_ctx(prov); | |
95 | } | |
5f603a28 | 96 | |
f12a5690 MC |
97 | const OSSL_DISPATCH *OSSL_PROVIDER_get0_dispatch(const OSSL_PROVIDER *prov) |
98 | { | |
99 | return ossl_provider_get0_dispatch(prov); | |
100 | } | |
101 | ||
04cb5ec0 SL |
102 | int OSSL_PROVIDER_self_test(const OSSL_PROVIDER *prov) |
103 | { | |
104 | return ossl_provider_self_test(prov); | |
105 | } | |
106 | ||
82ec09ec MC |
107 | int OSSL_PROVIDER_get_capabilities(const OSSL_PROVIDER *prov, |
108 | const char *capability, | |
109 | OSSL_CALLBACK *cb, | |
110 | void *arg) | |
111 | { | |
112 | return ossl_provider_get_capabilities(prov, capability, cb, arg); | |
113 | } | |
114 | ||
d382c465 MC |
115 | int OSSL_PROVIDER_add_builtin(OSSL_LIB_CTX *libctx, const char *name, |
116 | OSSL_provider_init_fn *init_fn) | |
117 | { | |
118 | OSSL_PROVIDER_INFO entry; | |
119 | ||
120 | if (name == NULL || init_fn == NULL) { | |
121 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_PASSED_NULL_PARAMETER); | |
122 | return 0; | |
123 | } | |
124 | memset(&entry, 0, sizeof(entry)); | |
125 | entry.name = OPENSSL_strdup(name); | |
126 | if (entry.name == NULL) { | |
127 | ERR_raise(ERR_LIB_CRYPTO, ERR_R_MALLOC_FAILURE); | |
128 | return 0; | |
129 | } | |
130 | entry.init = init_fn; | |
131 | if (!ossl_provider_info_add_to_store(libctx, &entry)) { | |
132 | ossl_provider_info_clear(&entry); | |
133 | return 0; | |
134 | } | |
135 | return 1; | |
136 | } | |
137 | ||
c4e91674 | 138 | const char *OSSL_PROVIDER_get0_name(const OSSL_PROVIDER *prov) |
b37066fd RL |
139 | { |
140 | return ossl_provider_name(prov); | |
141 | } | |
a7ad40c5 | 142 | |
b4250010 | 143 | int OSSL_PROVIDER_do_all(OSSL_LIB_CTX *ctx, |
a7ad40c5 RL |
144 | int (*cb)(OSSL_PROVIDER *provider, |
145 | void *cbdata), | |
146 | void *cbdata) | |
147 | { | |
8f089576 | 148 | return ossl_provider_doall_activated(ctx, cb, cbdata); |
a7ad40c5 | 149 | } |