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6bd4e3f2 P |
1 | /* |
2 | * Copyright 2020 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 "apps.h" | |
ae89578b | 11 | #include <string.h> |
6bd4e3f2 P |
12 | #include <openssl/err.h> |
13 | #include <openssl/provider.h> | |
f5056577 SL |
14 | #include <openssl/safestack.h> |
15 | ||
16 | DEFINE_STACK_OF(OSSL_PROVIDER) | |
6bd4e3f2 P |
17 | |
18 | /* | |
19 | * See comments in opt_verify for explanation of this. | |
20 | */ | |
21 | enum prov_range { OPT_PROV_ENUM }; | |
22 | ||
f5056577 SL |
23 | static STACK_OF(OSSL_PROVIDER) *app_providers = NULL; |
24 | ||
ae89578b SL |
25 | static void provider_free(OSSL_PROVIDER *prov) |
26 | { | |
27 | OSSL_PROVIDER_unload(prov); | |
28 | } | |
29 | ||
30 | int app_provider_load(OPENSSL_CTX *libctx, const char *provider_name) | |
6bd4e3f2 P |
31 | { |
32 | OSSL_PROVIDER *prov; | |
33 | ||
ae89578b | 34 | prov = OSSL_PROVIDER_load(libctx, provider_name); |
6bd4e3f2 P |
35 | if (prov == NULL) { |
36 | opt_printf_stderr("%s: unable to load provider %s\n", | |
ae89578b | 37 | opt_getprog(), provider_name); |
6bd4e3f2 P |
38 | return 0; |
39 | } | |
f5056577 SL |
40 | if (app_providers == NULL) |
41 | app_providers = sk_OSSL_PROVIDER_new_null(); | |
42 | if (app_providers == NULL | |
43 | || !sk_OSSL_PROVIDER_push(app_providers, prov)) { | |
44 | app_providers_cleanup(); | |
45 | return 0; | |
46 | } | |
6bd4e3f2 P |
47 | return 1; |
48 | } | |
49 | ||
f5056577 SL |
50 | void app_providers_cleanup(void) |
51 | { | |
52 | sk_OSSL_PROVIDER_pop_free(app_providers, provider_free); | |
53 | app_providers = NULL; | |
54 | } | |
55 | ||
6bd4e3f2 P |
56 | static int opt_provider_path(const char *path) |
57 | { | |
58 | if (path != NULL && *path == '\0') | |
59 | path = NULL; | |
ae89578b | 60 | return OSSL_PROVIDER_set_default_search_path(app_get0_libctx(), path); |
6bd4e3f2 P |
61 | } |
62 | ||
63 | int opt_provider(int opt) | |
64 | { | |
65 | switch ((enum prov_range)opt) { | |
66 | case OPT_PROV__FIRST: | |
67 | case OPT_PROV__LAST: | |
68 | return 1; | |
69 | case OPT_PROV_PROVIDER: | |
ae89578b | 70 | return app_provider_load(app_get0_libctx(), opt_arg()); |
6bd4e3f2 P |
71 | case OPT_PROV_PROVIDER_PATH: |
72 | return opt_provider_path(opt_arg()); | |
73 | } | |
74 | return 0; | |
75 | } |