/* * Copyright 2019-2020 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 #include #include #include #include #include #include "prov/provider_ctx.h" #include "prov/implementations.h" /* * Forward declarations to ensure that interface functions are correctly * defined. */ static OSSL_FUNC_provider_gettable_params_fn legacy_gettable_params; static OSSL_FUNC_provider_get_params_fn legacy_get_params; static OSSL_FUNC_provider_query_operation_fn legacy_query; #define ALG(NAMES, FUNC) { NAMES, "provider=legacy", FUNC } #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_FUNC_core_gettable_params_fn *c_gettable_params = NULL; static OSSL_FUNC_core_get_params_fn *c_get_params = NULL; /* Parameters we provide to the core */ static const OSSL_PARAM legacy_param_types[] = { OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0), OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0), OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0), OSSL_PARAM_END }; static const OSSL_PARAM *legacy_gettable_params(void *provctx) { return legacy_param_types; } static int legacy_get_params(void *provctx, 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 ALG("MD2", md2_functions), #endif #ifndef OPENSSL_NO_MD4 ALG("MD4", md4_functions), #endif #ifndef OPENSSL_NO_MDC2 ALG("MDC2", mdc2_functions), #endif /* OPENSSL_NO_MDC2 */ #ifndef OPENSSL_NO_WHIRLPOOL ALG("WHIRLPOOL", wp_functions), #endif /* OPENSSL_NO_WHIRLPOOL */ #ifndef OPENSSL_NO_RMD160 ALG("RIPEMD-160:RIPEMD160:RIPEMD:RMD160", ripemd160_functions), #endif /* OPENSSL_NO_RMD160 */ { NULL, NULL, NULL } }; static const OSSL_ALGORITHM legacy_ciphers[] = { #ifndef OPENSSL_NO_CAST ALG("CAST5-ECB", cast5128ecb_functions), ALG("CAST5-CBC:CAST-CBC:CAST", cast5128cbc_functions), ALG("CAST5-OFB", cast5128ofb64_functions), ALG("CAST5-CFB", cast5128cfb64_functions), #endif /* OPENSSL_NO_CAST */ #ifndef OPENSSL_NO_BF ALG("BF-ECB", blowfish128ecb_functions), ALG("BF-CBC:BF:BLOWFISH", blowfish128cbc_functions), ALG("BF-OFB", blowfish64ofb64_functions), ALG("BF-CFB", blowfish64cfb64_functions), #endif /* OPENSSL_NO_BF */ #ifndef OPENSSL_NO_IDEA ALG("IDEA-ECB", idea128ecb_functions), ALG("IDEA-CBC:IDEA", idea128cbc_functions), ALG("IDEA-OFB:IDEA-OFB64", idea128ofb64_functions), ALG("IDEA-CFB:IDEA-CFB64", idea128cfb64_functions), #endif /* OPENSSL_NO_IDEA */ #ifndef OPENSSL_NO_SEED ALG("SEED-ECB", seed128ecb_functions), ALG("SEED-CBC:SEED", seed128cbc_functions), ALG("SEED-OFB:SEED-OFB128", seed128ofb128_functions), ALG("SEED-CFB:SEED-CFB128", seed128cfb128_functions), #endif /* OPENSSL_NO_SEED */ #ifndef OPENSSL_NO_RC2 ALG("RC2-ECB", rc2128ecb_functions), ALG("RC2-CBC", rc2128cbc_functions), ALG("RC2-40-CBC", rc240cbc_functions), ALG("RC2-64-CBC", rc264cbc_functions), ALG("RC2-CFB", rc2128cfb128_functions), ALG("RC2-OFB", rc2128ofb128_functions), #endif /* OPENSSL_NO_RC2 */ #ifndef OPENSSL_NO_RC4 ALG("RC4", rc4128_functions), ALG("RC4-40", rc440_functions), # ifndef OPENSSL_NO_MD5 ALG("RC4-HMAC-MD5", rc4_hmac_md5_functions), # endif /* OPENSSL_NO_MD5 */ #endif /* OPENSSL_NO_RC4 */ #ifndef OPENSSL_NO_RC5 ALG("RC5-ECB", rc5128ecb_functions), ALG("RC5-CBC", rc5128cbc_functions), ALG("RC5-OFB", rc5128ofb64_functions), ALG("RC5-CFB", rc5128cfb64_functions), #endif /* OPENSSL_NO_RC5 */ #ifndef OPENSSL_NO_DES ALG("DESX-CBC:DESX", tdes_desx_cbc_functions), ALG("DES-ECB", des_ecb_functions), ALG("DES-CBC:DES", des_cbc_functions), ALG("DES-OFB", des_ofb64_functions), ALG("DES-CFB", des_cfb64_functions), ALG("DES-CFB1", des_cfb1_functions), ALG("DES-CFB8", des_cfb8_functions), #endif /* OPENSSL_NO_DES */ { NULL, NULL, NULL } }; static const OSSL_ALGORITHM *legacy_query(void *provctx, int operation_id, int *no_cache) { *no_cache = 0; switch (operation_id) { case OSSL_OP_DIGEST: return legacy_digests; case OSSL_OP_CIPHER: return legacy_ciphers; } return NULL; } static void legacy_teardown(void *provctx) { OPENSSL_CTX_free(PROV_LIBRARY_CONTEXT_OF(provctx)); PROV_CTX_free(provctx); } /* Functions we provide to the core */ static const OSSL_DISPATCH legacy_dispatch_table[] = { { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))legacy_teardown }, { 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_CORE_HANDLE *handle, const OSSL_DISPATCH *in, const OSSL_DISPATCH **out, void **provctx) { OSSL_FUNC_core_get_library_context_fn *c_get_libctx = NULL; OPENSSL_CTX *libctx = NULL; for (; in->function_id != 0; in++) { switch (in->function_id) { case OSSL_FUNC_CORE_GETTABLE_PARAMS: c_gettable_params = OSSL_FUNC_core_gettable_params(in); break; case OSSL_FUNC_CORE_GET_PARAMS: c_get_params = OSSL_FUNC_core_get_params(in); break; case OSSL_FUNC_CORE_GET_LIBRARY_CONTEXT: c_get_libctx = OSSL_FUNC_core_get_library_context(in); break; /* Just ignore anything we don't understand */ default: break; } } if (c_get_libctx == NULL) return 0; if ((*provctx = PROV_CTX_new()) == NULL || (libctx = OPENSSL_CTX_new()) == NULL) { OPENSSL_CTX_free(libctx); legacy_teardown(*provctx); *provctx = NULL; return 0; } PROV_CTX_set0_library_context(*provctx, libctx); PROV_CTX_set0_handle(*provctx, handle); *out = legacy_dispatch_table; return 1; }