| 1 | /*
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| 2 | * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <string.h>
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| 11 | #include <stdio.h>
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| 12 | #include <openssl/core.h>
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| 13 | #include <openssl/core_dispatch.h>
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| 14 | #include <openssl/core_names.h>
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| 15 | #include <openssl/params.h>
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| 16 | #include "prov/provider_ctx.h"
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| 17 | #include "prov/implementations.h"
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| 18 | #include "prov/names.h"
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| 19 | #include "prov/providercommon.h"
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| 20 |
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| 21 | /*
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| 22 | * Forward declarations to ensure that interface functions are correctly
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| 23 | * defined.
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| 24 | */
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| 25 | static OSSL_FUNC_provider_gettable_params_fn legacy_gettable_params;
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| 26 | static OSSL_FUNC_provider_get_params_fn legacy_get_params;
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| 27 | static OSSL_FUNC_provider_query_operation_fn legacy_query;
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| 28 |
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| 29 | #define ALG(NAMES, FUNC) { NAMES, "provider=legacy", FUNC }
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| 30 |
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| 31 | #ifdef STATIC_LEGACY
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| 32 | OSSL_provider_init_fn ossl_legacy_provider_init;
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| 33 | # define OSSL_provider_init ossl_legacy_provider_init
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| 34 | #endif
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| 35 |
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| 36 | /* Parameters we provide to the core */
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| 37 | static const OSSL_PARAM legacy_param_types[] = {
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| 38 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0),
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| 39 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0),
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| 40 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0),
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| 41 | OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0),
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| 42 | OSSL_PARAM_END
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| 43 | };
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| 44 |
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| 45 | static const OSSL_PARAM *legacy_gettable_params(void *provctx)
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| 46 | {
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| 47 | return legacy_param_types;
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| 48 | }
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| 49 |
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| 50 | static int legacy_get_params(void *provctx, OSSL_PARAM params[])
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| 51 | {
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| 52 | OSSL_PARAM *p;
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| 53 |
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| 54 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME);
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| 55 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Legacy Provider"))
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| 56 | return 0;
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| 57 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION);
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| 58 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR))
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| 59 | return 0;
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| 60 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO);
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| 61 | if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR))
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| 62 | return 0;
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| 63 | p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS);
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| 64 | if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running()))
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| 65 | return 0;
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| 66 | return 1;
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| 67 | }
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| 68 |
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| 69 | static const OSSL_ALGORITHM legacy_digests[] = {
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| 70 | #ifndef OPENSSL_NO_MD2
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| 71 | ALG(PROV_NAMES_MD2, ossl_md2_functions),
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| 72 | #endif
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| 73 | #ifndef OPENSSL_NO_MD4
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| 74 | ALG(PROV_NAMES_MD4, ossl_md4_functions),
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| 75 | #endif
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| 76 | #ifndef OPENSSL_NO_MDC2
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| 77 | ALG(PROV_NAMES_MDC2, ossl_mdc2_functions),
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| 78 | #endif /* OPENSSL_NO_MDC2 */
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| 79 | #ifndef OPENSSL_NO_WHIRLPOOL
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| 80 | ALG(PROV_NAMES_WHIRLPOOL, ossl_wp_functions),
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| 81 | #endif /* OPENSSL_NO_WHIRLPOOL */
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| 82 | #ifndef OPENSSL_NO_RMD160
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| 83 | ALG(PROV_NAMES_RIPEMD_160, ossl_ripemd160_functions),
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| 84 | #endif /* OPENSSL_NO_RMD160 */
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| 85 | { NULL, NULL, NULL }
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| 86 | };
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| 87 |
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| 88 | static const OSSL_ALGORITHM legacy_ciphers[] = {
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| 89 | #ifndef OPENSSL_NO_CAST
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| 90 | ALG(PROV_NAMES_CAST5_ECB, ossl_cast5128ecb_functions),
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| 91 | ALG(PROV_NAMES_CAST5_CBC, ossl_cast5128cbc_functions),
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| 92 | ALG(PROV_NAMES_CAST5_OFB, ossl_cast5128ofb64_functions),
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| 93 | ALG(PROV_NAMES_CAST5_CFB, ossl_cast5128cfb64_functions),
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| 94 | #endif /* OPENSSL_NO_CAST */
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| 95 | #ifndef OPENSSL_NO_BF
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| 96 | ALG(PROV_NAMES_BF_ECB, ossl_blowfish128ecb_functions),
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| 97 | ALG(PROV_NAMES_BF_CBC, ossl_blowfish128cbc_functions),
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| 98 | ALG(PROV_NAMES_BF_OFB, ossl_blowfish64ofb64_functions),
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| 99 | ALG(PROV_NAMES_BF_CFB, ossl_blowfish64cfb64_functions),
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| 100 | #endif /* OPENSSL_NO_BF */
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| 101 | #ifndef OPENSSL_NO_IDEA
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| 102 | ALG(PROV_NAMES_IDEA_ECB, ossl_idea128ecb_functions),
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| 103 | ALG(PROV_NAMES_IDEA_CBC, ossl_idea128cbc_functions),
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| 104 | ALG(PROV_NAMES_IDEA_OFB, ossl_idea128ofb64_functions),
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| 105 | ALG(PROV_NAMES_IDEA_CFB, ossl_idea128cfb64_functions),
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| 106 | #endif /* OPENSSL_NO_IDEA */
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| 107 | #ifndef OPENSSL_NO_SEED
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| 108 | ALG(PROV_NAMES_SEED_ECB, ossl_seed128ecb_functions),
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| 109 | ALG(PROV_NAMES_SEED_CBC, ossl_seed128cbc_functions),
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| 110 | ALG(PROV_NAMES_SEED_OFB, ossl_seed128ofb128_functions),
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| 111 | ALG(PROV_NAMES_SEED_CFB, ossl_seed128cfb128_functions),
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| 112 | #endif /* OPENSSL_NO_SEED */
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| 113 | #ifndef OPENSSL_NO_RC2
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| 114 | ALG(PROV_NAMES_RC2_ECB, ossl_rc2128ecb_functions),
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| 115 | ALG(PROV_NAMES_RC2_CBC, ossl_rc2128cbc_functions),
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| 116 | ALG(PROV_NAMES_RC2_40_CBC, ossl_rc240cbc_functions),
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| 117 | ALG(PROV_NAMES_RC2_64_CBC, ossl_rc264cbc_functions),
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| 118 | ALG(PROV_NAMES_RC2_CFB, ossl_rc2128cfb128_functions),
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| 119 | ALG(PROV_NAMES_RC2_OFB, ossl_rc2128ofb128_functions),
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| 120 | #endif /* OPENSSL_NO_RC2 */
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| 121 | #ifndef OPENSSL_NO_RC4
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| 122 | ALG(PROV_NAMES_RC4, ossl_rc4128_functions),
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| 123 | ALG(PROV_NAMES_RC4_40, ossl_rc440_functions),
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| 124 | # ifndef OPENSSL_NO_MD5
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| 125 | ALG(PROV_NAMES_RC4_HMAC_MD5, ossl_rc4_hmac_ossl_md5_functions),
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| 126 | # endif /* OPENSSL_NO_MD5 */
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| 127 | #endif /* OPENSSL_NO_RC4 */
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| 128 | #ifndef OPENSSL_NO_RC5
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| 129 | ALG(PROV_NAMES_RC5_ECB, ossl_rc5128ecb_functions),
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| 130 | ALG(PROV_NAMES_RC5_CBC, ossl_rc5128cbc_functions),
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| 131 | ALG(PROV_NAMES_RC5_OFB, ossl_rc5128ofb64_functions),
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| 132 | ALG(PROV_NAMES_RC5_CFB, ossl_rc5128cfb64_functions),
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| 133 | #endif /* OPENSSL_NO_RC5 */
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| 134 | #ifndef OPENSSL_NO_DES
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| 135 | ALG(PROV_NAMES_DESX_CBC, ossl_tdes_desx_cbc_functions),
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| 136 | ALG(PROV_NAMES_DES_ECB, ossl_des_ecb_functions),
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| 137 | ALG(PROV_NAMES_DES_CBC, ossl_des_cbc_functions),
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| 138 | ALG(PROV_NAMES_DES_OFB, ossl_des_ofb64_functions),
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| 139 | ALG(PROV_NAMES_DES_CFB, ossl_des_cfb64_functions),
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| 140 | ALG(PROV_NAMES_DES_CFB1, ossl_des_cfb1_functions),
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| 141 | ALG(PROV_NAMES_DES_CFB8, ossl_des_cfb8_functions),
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| 142 | #endif /* OPENSSL_NO_DES */
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| 143 | { NULL, NULL, NULL }
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| 144 | };
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| 145 |
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| 146 | static const OSSL_ALGORITHM legacy_kdfs[] = {
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| 147 | ALG(PROV_NAMES_PBKDF1, ossl_kdf_pbkdf1_functions),
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| 148 | { NULL, NULL, NULL }
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| 149 | };
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| 150 |
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| 151 | static const OSSL_ALGORITHM *legacy_query(void *provctx, int operation_id,
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| 152 | int *no_cache)
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| 153 | {
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| 154 | *no_cache = 0;
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| 155 | switch (operation_id) {
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| 156 | case OSSL_OP_DIGEST:
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| 157 | return legacy_digests;
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| 158 | case OSSL_OP_CIPHER:
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| 159 | return legacy_ciphers;
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| 160 | case OSSL_OP_KDF:
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| 161 | return legacy_kdfs;
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| 162 | }
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| 163 | return NULL;
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| 164 | }
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| 165 |
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| 166 | static void legacy_teardown(void *provctx)
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| 167 | {
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| 168 | OSSL_LIB_CTX_free(PROV_LIBCTX_OF(provctx));
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| 169 | ossl_prov_ctx_free(provctx);
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| 170 | }
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| 171 |
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| 172 | /* Functions we provide to the core */
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| 173 | static const OSSL_DISPATCH legacy_dispatch_table[] = {
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| 174 | { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))legacy_teardown },
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| 175 | { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))legacy_gettable_params },
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| 176 | { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))legacy_get_params },
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| 177 | { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))legacy_query },
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| 178 | { 0, NULL }
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| 179 | };
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| 180 |
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| 181 | int OSSL_provider_init(const OSSL_CORE_HANDLE *handle,
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| 182 | const OSSL_DISPATCH *in,
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| 183 | const OSSL_DISPATCH **out,
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| 184 | void **provctx)
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| 185 | {
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| 186 | OSSL_LIB_CTX *libctx = NULL;
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| 187 |
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| 188 | if ((*provctx = ossl_prov_ctx_new()) == NULL
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| 189 | || (libctx = OSSL_LIB_CTX_new_child(handle, in)) == NULL) {
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| 190 | OSSL_LIB_CTX_free(libctx);
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| 191 | legacy_teardown(*provctx);
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| 192 | *provctx = NULL;
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| 193 | return 0;
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| 194 | }
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| 195 | ossl_prov_ctx_set0_libctx(*provctx, libctx);
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| 196 | ossl_prov_ctx_set0_handle(*provctx, handle);
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| 197 |
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| 198 | *out = legacy_dispatch_table;
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| 199 |
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| 200 | return 1;
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| 201 | }
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