]>
Commit | Line | Data |
---|---|---|
7b4344ac | 1 | /* |
da1c088f | 2 | * Copyright 2020-2023 The OpenSSL Project Authors. All Rights Reserved. |
7b4344ac P |
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 | ||
10 | #include <string.h> | |
11 | #include <stdio.h> | |
12 | #include <openssl/core.h> | |
23c48d94 | 13 | #include <openssl/core_dispatch.h> |
7b4344ac P |
14 | #include <openssl/core_names.h> |
15 | #include <openssl/params.h> | |
16 | #include "prov/implementations.h" | |
eab7b424 | 17 | #include "prov/providercommon.h" |
7b4344ac P |
18 | |
19 | OSSL_provider_init_fn ossl_null_provider_init; | |
20 | ||
7b4344ac | 21 | /* Parameters we provide to the core */ |
994a924b P |
22 | static const OSSL_PARAM null_param_types[] = { |
23 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0), | |
24 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0), | |
25 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0), | |
26 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0), | |
27 | OSSL_PARAM_END | |
7b4344ac P |
28 | }; |
29 | ||
994a924b | 30 | static const OSSL_PARAM *null_gettable_params(const OSSL_PROVIDER *prov) |
7b4344ac P |
31 | { |
32 | return null_param_types; | |
33 | } | |
34 | ||
eab7b424 | 35 | static int null_get_params(const OSSL_PROVIDER *provctx, OSSL_PARAM params[]) |
7b4344ac P |
36 | { |
37 | OSSL_PARAM *p; | |
38 | ||
39 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME); | |
40 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Null Provider")) | |
41 | return 0; | |
42 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION); | |
43 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR)) | |
44 | return 0; | |
45 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO); | |
46 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR)) | |
47 | return 0; | |
eab7b424 P |
48 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS); |
49 | if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running())) | |
50 | return 0; | |
7b4344ac P |
51 | return 1; |
52 | } | |
53 | ||
54 | static const OSSL_ALGORITHM *null_query(OSSL_PROVIDER *prov, | |
55 | int operation_id, | |
56 | int *no_cache) | |
57 | { | |
58 | *no_cache = 0; | |
59 | return NULL; | |
60 | } | |
61 | ||
62 | /* Functions we provide to the core */ | |
63 | static const OSSL_DISPATCH null_dispatch_table[] = { | |
64 | { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))null_gettable_params }, | |
65 | { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))null_get_params }, | |
66 | { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))null_query }, | |
1e6bd31e | 67 | OSSL_DISPATCH_END |
7b4344ac P |
68 | }; |
69 | ||
d40b42ab | 70 | int ossl_null_provider_init(const OSSL_CORE_HANDLE *handle, |
7b4344ac P |
71 | const OSSL_DISPATCH *in, |
72 | const OSSL_DISPATCH **out, | |
73 | void **provctx) | |
74 | { | |
7b4344ac P |
75 | *out = null_dispatch_table; |
76 | ||
d40b42ab MC |
77 | /* Could be anything - we don't use it */ |
78 | *provctx = (void *)handle; | |
7b4344ac P |
79 | return 1; |
80 | } |