113 lines
3.6 KiB
C++
113 lines
3.6 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL_EXE
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#include "ob_expr_dbms_crypto.h"
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#include "share/object/ob_obj_cast.h"
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#include "share/ob_encryption_util.h"
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#include "ob_expr_extract.h"
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#include "sql/session/ob_sql_session_info.h"
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using namespace oceanbase::share;
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using namespace oceanbase::common;
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#define ENCRYPT_PAD_PKCS5 4096
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#define ENCRYPT_CHAIN_CBC 256
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#define ENCRYPT_CHAIN_ECB 768
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#define ENCRYPT_AES128_MACRO_IN_DBMS_CRYPTO 6
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#define ENCRYPT_AES192_MACRO_IN_DBMS_CRYPTO 7
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#define ENCRYPT_AES256_MACRO_IN_DBMS_CRYPTO 8
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namespace oceanbase
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{
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namespace sql
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{
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ObExprDbmsCryptoEncrypt::ObExprDbmsCryptoEncrypt(ObIAllocator& alloc)
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: ObFuncExprOperator(alloc,
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T_FUC_SYS_DBMS_CRYPTO_ENCRYPT,
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N_DBMS_CRYPTO_ENCRYPT,
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MORE_THAN_TWO,
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NOT_ROW_DIMENSION,
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false,
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INTERNAL_IN_ORACLE_MODE)
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{
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}
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ObExprDbmsCryptoEncrypt::~ObExprDbmsCryptoEncrypt() {}
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int ObExprDbmsCryptoEncrypt::calc_result_typeN(ObExprResType& type,
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ObExprResType* types_stack,
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int64_t param_num,
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ObExprTypeCtx& type_ctx) const
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{
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UNUSED(type_ctx);
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int ret = OB_SUCCESS;
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if (OB_ISNULL(types_stack)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("null types",K(ret));
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} else if (OB_UNLIKELY(param_num != 4)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("param num is not correct", K(param_num));
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} else {
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types_stack[0].set_calc_type(ObRawType);
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types_stack[1].set_calc_type(ObIntType);
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types_stack[2].set_calc_type(ObRawType);
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types_stack[3].set_calc_type(ObRawType);
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type.set_raw();
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type.set_collation_level(CS_LEVEL_NUMERIC);
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}
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return ret;
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}
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//---------------------------------------分割线
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ObExprDbmsCryptoDecrypt::ObExprDbmsCryptoDecrypt(ObIAllocator& alloc)
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: ObFuncExprOperator(alloc,
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T_FUC_SYS_DBMS_CRYPTO_DECRYPT,
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N_DBMS_CRYPTO_DECRYPT,
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MORE_THAN_TWO,
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NOT_ROW_DIMENSION,
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false,
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INTERNAL_IN_ORACLE_MODE)
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{
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}
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ObExprDbmsCryptoDecrypt::~ObExprDbmsCryptoDecrypt() {}
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int ObExprDbmsCryptoDecrypt::calc_result_typeN(ObExprResType& type,
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ObExprResType* types_stack,
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int64_t param_num,
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ObExprTypeCtx& type_ctx) const
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{
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UNUSED(type_ctx);
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int ret = OB_SUCCESS;
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if (OB_ISNULL(types_stack)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("null types",K(ret));
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} else if (OB_UNLIKELY(param_num != 4)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("param num is not correct", K(param_num));
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} else {
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types_stack[0].set_calc_type(ObRawType);
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types_stack[1].set_calc_type(ObIntType);
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types_stack[2].set_calc_type(ObRawType);
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types_stack[3].set_calc_type(ObRawType);
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type.set_raw();
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type.set_collation_level(CS_LEVEL_NUMERIC);
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}
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return ret;
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}
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}
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}
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