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d0308923 MC |
1 | /* |
2 | * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. | |
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> | |
13 | #include <openssl/core_numbers.h> | |
14 | #include <openssl/core_names.h> | |
15 | #include <openssl/params.h> | |
d5e5e2ff | 16 | #include "internal/provider_algs.h" |
d0308923 MC |
17 | |
18 | /* Functions provided by the core */ | |
19 | static OSSL_core_get_param_types_fn *c_get_param_types = NULL; | |
20 | static OSSL_core_get_params_fn *c_get_params = NULL; | |
21 | ||
22 | /* Parameters we provide to the core */ | |
23 | static const OSSL_ITEM legacy_param_types[] = { | |
24 | { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME }, | |
25 | { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION }, | |
26 | { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO }, | |
27 | { 0, NULL } | |
28 | }; | |
29 | ||
30 | static const OSSL_ITEM *legacy_get_param_types(const OSSL_PROVIDER *prov) | |
31 | { | |
32 | return legacy_param_types; | |
33 | } | |
34 | ||
35 | static int legacy_get_params(const OSSL_PROVIDER *prov, | |
36 | const OSSL_PARAM params[]) | |
37 | { | |
38 | const OSSL_PARAM *p; | |
39 | ||
40 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME); | |
41 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Legacy Provider")) | |
42 | return 0; | |
43 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION); | |
44 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR)) | |
45 | return 0; | |
46 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO); | |
47 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR)) | |
48 | return 0; | |
49 | ||
50 | return 1; | |
51 | } | |
52 | ||
d0308923 MC |
53 | static const OSSL_ALGORITHM legacy_digests[] = { |
54 | #ifndef OPENSSL_NO_MD2 | |
55 | { "MD2", "legacy=yes", md2_functions }, | |
56 | #endif | |
d5e5e2ff SL |
57 | |
58 | #ifndef OPENSSL_NO_MD4 | |
59 | { "MD4", "legacy=yes", md4_functions }, | |
60 | #endif | |
61 | ||
62 | #ifndef OPENSSL_NO_MDC2 | |
63 | { "MDC2", "legacy=yes", mdc2_functions }, | |
64 | #endif /* OPENSSL_NO_MDC2 */ | |
65 | ||
66 | #ifndef OPENSSL_NO_WHIRLPOOL | |
67 | { "whirlpool", "legacy=yes", wp_functions }, | |
68 | #endif /* OPENSSL_NO_WHIRLPOOL */ | |
69 | ||
70 | #ifndef OPENSSL_NO_RMD160 | |
71 | { "RIPEMD160", "legacy=yes", ripemd160_functions }, | |
72 | #endif /* OPENSSL_NO_RMD160 */ | |
73 | ||
d0308923 MC |
74 | { NULL, NULL, NULL } |
75 | }; | |
76 | ||
77 | static const OSSL_ALGORITHM *legacy_query(OSSL_PROVIDER *prov, | |
78 | int operation_id, | |
79 | int *no_cache) | |
80 | { | |
81 | *no_cache = 0; | |
82 | switch (operation_id) { | |
83 | case OSSL_OP_DIGEST: | |
84 | return legacy_digests; | |
85 | } | |
86 | return NULL; | |
87 | } | |
88 | ||
89 | /* Functions we provide to the core */ | |
90 | static const OSSL_DISPATCH legacy_dispatch_table[] = { | |
91 | { OSSL_FUNC_PROVIDER_GET_PARAM_TYPES, (void (*)(void))legacy_get_param_types }, | |
92 | { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))legacy_get_params }, | |
93 | { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))legacy_query }, | |
94 | { 0, NULL } | |
95 | }; | |
96 | ||
97 | int OSSL_provider_init(const OSSL_PROVIDER *provider, | |
98 | const OSSL_DISPATCH *in, | |
a39eb840 RL |
99 | const OSSL_DISPATCH **out, |
100 | void **provctx) | |
d0308923 MC |
101 | { |
102 | for (; in->function_id != 0; in++) { | |
103 | switch (in->function_id) { | |
104 | case OSSL_FUNC_CORE_GET_PARAM_TYPES: | |
105 | c_get_param_types = OSSL_get_core_get_param_types(in); | |
106 | break; | |
107 | case OSSL_FUNC_CORE_GET_PARAMS: | |
108 | c_get_params = OSSL_get_core_get_params(in); | |
109 | break; | |
110 | /* Just ignore anything we don't understand */ | |
111 | default: | |
112 | break; | |
113 | } | |
114 | } | |
115 | ||
116 | *out = legacy_dispatch_table; | |
117 | return 1; | |
118 | } |