1 /* 2 * Copyright 2019-2022 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_dispatch.h> 14 #include <openssl/core_names.h> 15 #include <openssl/params.h> 16 #include "prov/provider_ctx.h" 17 #include "prov/implementations.h" 18 #include "prov/names.h" 19 #include "prov/providercommon.h" 20 21 /* 22 * Forward declarations to ensure that interface functions are correctly 23 * defined. 24 */ 25 static OSSL_FUNC_provider_gettable_params_fn legacy_gettable_params; 26 static OSSL_FUNC_provider_get_params_fn legacy_get_params; 27 static OSSL_FUNC_provider_query_operation_fn legacy_query; 28 29 #define ALG(NAMES, FUNC) { NAMES, "provider=legacy", FUNC } 30 31 #ifdef STATIC_LEGACY 32 OSSL_provider_init_fn ossl_legacy_provider_init; 33 # define OSSL_provider_init ossl_legacy_provider_init 34 #endif 35 36 /* Parameters we provide to the core */ 37 static const OSSL_PARAM legacy_param_types[] = { 38 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_NAME, OSSL_PARAM_UTF8_PTR, NULL, 0), 39 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_VERSION, OSSL_PARAM_UTF8_PTR, NULL, 0), 40 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_BUILDINFO, OSSL_PARAM_UTF8_PTR, NULL, 0), 41 OSSL_PARAM_DEFN(OSSL_PROV_PARAM_STATUS, OSSL_PARAM_INTEGER, NULL, 0), 42 OSSL_PARAM_END 43 }; 44 45 static const OSSL_PARAM *legacy_gettable_params(void *provctx) 46 { 47 return legacy_param_types; 48 } 49 50 static int legacy_get_params(void *provctx, OSSL_PARAM params[]) 51 { 52 OSSL_PARAM *p; 53 54 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_NAME); 55 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, "OpenSSL Legacy Provider")) 56 return 0; 57 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_VERSION); 58 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_VERSION_STR)) 59 return 0; 60 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_BUILDINFO); 61 if (p != NULL && !OSSL_PARAM_set_utf8_ptr(p, OPENSSL_FULL_VERSION_STR)) 62 return 0; 63 p = OSSL_PARAM_locate(params, OSSL_PROV_PARAM_STATUS); 64 if (p != NULL && !OSSL_PARAM_set_int(p, ossl_prov_is_running())) 65 return 0; 66 return 1; 67 } 68 69 static const OSSL_ALGORITHM legacy_digests[] = { 70 #ifndef OPENSSL_NO_MD2 71 ALG(PROV_NAMES_MD2, ossl_md2_functions), 72 #endif 73 #ifndef OPENSSL_NO_MD4 74 ALG(PROV_NAMES_MD4, ossl_md4_functions), 75 #endif 76 #ifndef OPENSSL_NO_MDC2 77 ALG(PROV_NAMES_MDC2, ossl_mdc2_functions), 78 #endif /* OPENSSL_NO_MDC2 */ 79 #ifndef OPENSSL_NO_WHIRLPOOL 80 ALG(PROV_NAMES_WHIRLPOOL, ossl_wp_functions), 81 #endif /* OPENSSL_NO_WHIRLPOOL */ 82 #ifndef OPENSSL_NO_RMD160 83 ALG(PROV_NAMES_RIPEMD_160, ossl_ripemd160_functions), 84 #endif /* OPENSSL_NO_RMD160 */ 85 { NULL, NULL, NULL } 86 }; 87 88 static const OSSL_ALGORITHM legacy_ciphers[] = { 89 #ifndef OPENSSL_NO_CAST 90 ALG(PROV_NAMES_CAST5_ECB, ossl_cast5128ecb_functions), 91 ALG(PROV_NAMES_CAST5_CBC, ossl_cast5128cbc_functions), 92 ALG(PROV_NAMES_CAST5_OFB, ossl_cast5128ofb64_functions), 93 ALG(PROV_NAMES_CAST5_CFB, ossl_cast5128cfb64_functions), 94 #endif /* OPENSSL_NO_CAST */ 95 #ifndef OPENSSL_NO_BF 96 ALG(PROV_NAMES_BF_ECB, ossl_blowfish128ecb_functions), 97 ALG(PROV_NAMES_BF_CBC, ossl_blowfish128cbc_functions), 98 ALG(PROV_NAMES_BF_OFB, ossl_blowfish128ofb64_functions), 99 ALG(PROV_NAMES_BF_CFB, ossl_blowfish128cfb64_functions), 100 #endif /* OPENSSL_NO_BF */ 101 #ifndef OPENSSL_NO_IDEA 102 ALG(PROV_NAMES_IDEA_ECB, ossl_idea128ecb_functions), 103 ALG(PROV_NAMES_IDEA_CBC, ossl_idea128cbc_functions), 104 ALG(PROV_NAMES_IDEA_OFB, ossl_idea128ofb64_functions), 105 ALG(PROV_NAMES_IDEA_CFB, ossl_idea128cfb64_functions), 106 #endif /* OPENSSL_NO_IDEA */ 107 #ifndef OPENSSL_NO_SEED 108 ALG(PROV_NAMES_SEED_ECB, ossl_seed128ecb_functions), 109 ALG(PROV_NAMES_SEED_CBC, ossl_seed128cbc_functions), 110 ALG(PROV_NAMES_SEED_OFB, ossl_seed128ofb128_functions), 111 ALG(PROV_NAMES_SEED_CFB, ossl_seed128cfb128_functions), 112 #endif /* OPENSSL_NO_SEED */ 113 #ifndef OPENSSL_NO_RC2 114 ALG(PROV_NAMES_RC2_ECB, ossl_rc2128ecb_functions), 115 ALG(PROV_NAMES_RC2_CBC, ossl_rc2128cbc_functions), 116 ALG(PROV_NAMES_RC2_40_CBC, ossl_rc240cbc_functions), 117 ALG(PROV_NAMES_RC2_64_CBC, ossl_rc264cbc_functions), 118 ALG(PROV_NAMES_RC2_CFB, ossl_rc2128cfb128_functions), 119 ALG(PROV_NAMES_RC2_OFB, ossl_rc2128ofb128_functions), 120 #endif /* OPENSSL_NO_RC2 */ 121 #ifndef OPENSSL_NO_RC4 122 ALG(PROV_NAMES_RC4, ossl_rc4128_functions), 123 ALG(PROV_NAMES_RC4_40, ossl_rc440_functions), 124 # ifndef OPENSSL_NO_MD5 125 ALG(PROV_NAMES_RC4_HMAC_MD5, ossl_rc4_hmac_ossl_md5_functions), 126 # endif /* OPENSSL_NO_MD5 */ 127 #endif /* OPENSSL_NO_RC4 */ 128 #ifndef OPENSSL_NO_RC5 129 ALG(PROV_NAMES_RC5_ECB, ossl_rc5128ecb_functions), 130 ALG(PROV_NAMES_RC5_CBC, ossl_rc5128cbc_functions), 131 ALG(PROV_NAMES_RC5_OFB, ossl_rc5128ofb64_functions), 132 ALG(PROV_NAMES_RC5_CFB, ossl_rc5128cfb64_functions), 133 #endif /* OPENSSL_NO_RC5 */ 134 #ifndef OPENSSL_NO_DES 135 ALG(PROV_NAMES_DESX_CBC, ossl_tdes_desx_cbc_functions), 136 ALG(PROV_NAMES_DES_ECB, ossl_des_ecb_functions), 137 ALG(PROV_NAMES_DES_CBC, ossl_des_cbc_functions), 138 ALG(PROV_NAMES_DES_OFB, ossl_des_ofb64_functions), 139 ALG(PROV_NAMES_DES_CFB, ossl_des_cfb64_functions), 140 ALG(PROV_NAMES_DES_CFB1, ossl_des_cfb1_functions), 141 ALG(PROV_NAMES_DES_CFB8, ossl_des_cfb8_functions), 142 #endif /* OPENSSL_NO_DES */ 143 { NULL, NULL, NULL } 144 }; 145 146 static const OSSL_ALGORITHM legacy_kdfs[] = { 147 ALG(PROV_NAMES_PBKDF1, ossl_kdf_pbkdf1_functions), 148 { NULL, NULL, NULL } 149 }; 150 151 static const OSSL_ALGORITHM *legacy_query(void *provctx, int operation_id, 152 int *no_cache) 153 { 154 *no_cache = 0; 155 switch (operation_id) { 156 case OSSL_OP_DIGEST: 157 return legacy_digests; 158 case OSSL_OP_CIPHER: 159 return legacy_ciphers; 160 case OSSL_OP_KDF: 161 return legacy_kdfs; 162 } 163 return NULL; 164 } 165 166 static void legacy_teardown(void *provctx) 167 { 168 OSSL_LIB_CTX_free(PROV_LIBCTX_OF(provctx)); 169 ossl_prov_ctx_free(provctx); 170 } 171 172 /* Functions we provide to the core */ 173 static const OSSL_DISPATCH legacy_dispatch_table[] = { 174 { OSSL_FUNC_PROVIDER_TEARDOWN, (void (*)(void))legacy_teardown }, 175 { OSSL_FUNC_PROVIDER_GETTABLE_PARAMS, (void (*)(void))legacy_gettable_params }, 176 { OSSL_FUNC_PROVIDER_GET_PARAMS, (void (*)(void))legacy_get_params }, 177 { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))legacy_query }, 178 { 0, NULL } 179 }; 180 181 int OSSL_provider_init(const OSSL_CORE_HANDLE *handle, 182 const OSSL_DISPATCH *in, 183 const OSSL_DISPATCH **out, 184 void **provctx) 185 { 186 OSSL_LIB_CTX *libctx = NULL; 187 188 if ((*provctx = ossl_prov_ctx_new()) == NULL 189 || (libctx = OSSL_LIB_CTX_new_child(handle, in)) == NULL) { 190 OSSL_LIB_CTX_free(libctx); 191 legacy_teardown(*provctx); 192 *provctx = NULL; 193 return 0; 194 } 195 ossl_prov_ctx_set0_libctx(*provctx, libctx); 196 ossl_prov_ctx_set0_handle(*provctx, handle); 197 198 *out = legacy_dispatch_table; 199 200 return 1; 201 } 202