diff options
author | Richard Levitte <levitte@openssl.org> | 2019-10-04 15:37:14 +0200 |
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committer | Richard Levitte <levitte@openssl.org> | 2019-10-10 14:12:15 +0200 |
commit | 600703f4f4d4bbe7016a8704a0f2195e370648c0 (patch) | |
tree | 5212387130f6d6f7aaa1becffad2e1129e1a7fba /providers/legacyprov.c | |
parent | ddd21319e94636f308e115fd05cc48e7a8eadc55 (diff) |
Cleanup: move provider mains up
providers/default/defltprov.c and providers/legacy/legacyprov.c
are moved up to providers/ and providers/build.info is adjusted
accordingly.
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10088)
Diffstat (limited to 'providers/legacyprov.c')
-rw-r--r-- | providers/legacyprov.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/providers/legacyprov.c b/providers/legacyprov.c new file mode 100644 index 0000000000..11a050e203 --- /dev/null +++ b/providers/legacyprov.c @@ -0,0 +1,137 @@ +/* + * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include <string.h> +#include <stdio.h> +#include <openssl/core.h> +#include <openssl/core_numbers.h> +#include <openssl/core_names.h> +#include <openssl/params.h> +#include "prov/implementations.h" + +#ifdef STATIC_LEGACY +OSSL_provider_init_fn ossl_legacy_provider_init; +# define OSSL_provider_init ossl_legacy_provider_init +#endif + +/* Functions provided by the core */ +static OSSL_core_gettable_params_fn *c_gettable_params = NULL; +static OSSL_core_get_params_fn *c_get_params = NULL; + +/* Parameters we provide to the core */ +static const OSSL_ITEM legacy_param_types[] = { + { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_NAME }, + { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_VERSION }, + { OSSL_PARAM_UTF8_PTR, OSSL_PROV_PARAM_BUILDINFO }, + { 0, NULL } +}; + +static const OSSL_ITEM *legacy_gettable_params(const OSSL_PROVIDER *prov) +{ + return legacy_param_types; +} + +static int legacy_get_params(const OSSL_PROVIDER *prov, OSSL_PARAM params[]) +{ + OSSL_PARAM *p; + + p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME); + if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Legacy Provider")) + return 0; + p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION); + if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR)) + return 0; + p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO); + if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR)) + return 0; + + return 1; +} + +static const OSSL_ALGORITHM legacy_digests[] = { +#ifndef OPENSSL_NO_MD2 + { "MD2", "legacy=yes", md2_functions }, +#endif + +#ifndef OPENSSL_NO_MD4 + { "MD4", "legacy=yes", md4_functions }, +#endif + +#ifndef OPENSSL_NO_MDC2 + { "MDC2", "legacy=yes", mdc2_functions }, +#endif /* OPENSSL_NO_MDC2 */ + +#ifndef OPENSSL_NO_WHIRLPOOL + { "whirlpool", "legacy=yes", wp_functions }, +#endif /* OPENSSL_NO_WHIRLPOOL */ + +#ifndef OPENSSL_NO_RMD160 + { "RIPEMD160:RIPEMD:RMD160", "legacy=yes", ripemd160_functions }, +#endif /* OPENSSL_NO_RMD160 */ + + { NULL, NULL, NULL } +}; + +static const OSSL_ALGORITHM *legacy_query(OSSL_PROVIDER *prov, + int operation_id, + int *no_cache) +{ + *no_cache = 0; + switch (operation_id) { + case OSSL_OP_DIGEST: + return legacy_digests; + } + return NULL; +} + +/* Functions we provide to the core */ +static const OSSL_DISPATCH legacy_dispatch_table[] = { + { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))legacy_gettable_params }, + { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))legacy_get_params }, + { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))legacy_query }, + { 0, NULL } +}; + +int OSSL_provider_init(const OSSL_PROVIDER *provider, + const OSSL_DISPATCH *in, + const OSSL_DISPATCH **out, + void **provctx) +{ + OSSL_core_get_library_context_fn *c_get_libctx = NULL; + + for (; in->function_id != 0; in++) { + switch (in->function_id) { + case OSSL_FUNC_CORE_GETTABLE_PARAMS: + c_gettable_params = OSSL_get_core_gettable_params(in); + break; + case OSSL_FUNC_CORE_GET_PARAMS: + c_get_params = OSSL_get_core_get_params(in); + break; + case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT: + c_get_libctx = OSSL_get_core_get_library_context(in); + break; + /* Just ignore anything we don't understand */ + default: + break; + } + } + + if (c_get_libctx == NULL) + return 0; + + *out = legacy_dispatch_table; + + /* + * We want to make sure that all calls from this provider that requires + * a library context use the same context as the one used to call our + * functions. We do that by passing it along as the provider context. + */ + *provctx = c_get_libctx(provider); + return 1; +} |