数据库审计方案(包括login,logout,DML,DDL等)
数据库审计方案(包括login,logout,DML,DDL等)
如下：
数据库审计方案(包括login,logout,DML,DDL等)
/*===============================================================================
||文件名：数据库审计事件记录脚本
||说明：为了对数据库事件进行审计，而进行相关设计
==============================================================================*/
/* ========================= 审计记录表 ========================= */
/* -------- 系统会话事件审计表 -------- */
CREATE TABLE SYSTEM.Audit_Login_DB(
/*
||名称：审计数据库会话登陆事件记录表
||说明：
*/
Session_Id NUMBER, /* 会话ID */
OS_User VARCHAR2(200), /* 终端OS用户 */
IP_Address VARCHAR2(200), /* 终端IP地址 */
Terminal VARCHAR2(200), /* 终端 */
Host VARCHAR2(200), /* 终端主机名 */
User_Name VARCHAR2(30), /* ORACLE 用户名*/
LogOn_Date DATE, /* 登陆时间 */
LogOff_Date DATE, /* 登离时间 */
Elapsed_Minutes NUMBER /* 在线时间 */
)
TABLESPACE TOOLS;
/* -------- 会话事件审计表索引 --------- */
CREATE INDEX IX_AUDIT_LOGIN_SESSIONID ON SYSTEM.AUDIT_LOGIN_DB(SESSION_ID)
TABLESPACE INDX;
CREATE INDEX IX_AUDIT_LOGIN_LOGONDATE ON SYSTEM.AUDIT_LOGIN_DB(LOGON_DATE)
TABLESPACE INDX;
/* -------- DDL事件审计表 -------- */
CREATE TABLE system.Audit_DDL_OBJ(
/*
||名称：审计针对数据库对象的DDL记录表
||说明：
*/
Opr_Time DATE, /* 操作时间 */
Session_Id NUMBER, /* 会话ID */
OS_User VARCHAR2(200), /* 终端OS用户 */
IP_Address VARCHAR2(200), /* 终端IP地址 */
Terminal VARCHAR2(200), /* 终端 */
Host VARCHAR2(200), /* 终端主机名 */
User_Name VARCHAR2(30), /* ORACLE 用户名*/
DDL_Type VARCHAR2(30), /* DDL操作类型 */
DDL_Sql VARCHAR2(2000), /* DDL语句 */
Object_Type VARCHAR2(18), /* 操作对象类型 */
Owner VARCHAR2(30), /* 对象拥有者 */
Object_Name VARCHAR2(128) /* 对象名称 */
)
;
/* -------- DDL事件审计表索引 --------- */
CREATE INDEX IX_AUDIT_DDL_SESSIONID ON SYSTEM.AUDIT_DDL_OBJ(SESSION_ID)
TABLESPACE INDX;
CREATE INDEX IX_AUDIT_DDL_OPRTIME ON SYSTEM.AUDIT_DDL_OBJ(OPR_TIME)
TABLESPACE INDX;
/* ========================= 审计触发器 ========================= */
/* ------- AFTER LOGON ON DATABASE 触发器 -------*/
CREATE OR REPLACE TRIGGER SYS.Login_Audit_Trigger
AFTER LOGON ON DATABASE
/*
||名称：会话登陆事件审计触发器
||说明：
*/
DECLARE
Session_Id_Var NUMBER; /* 会话ID */
Os_User_Var VARCHAR2(200); /* 终端OS用户 */
IP_Address_Var VARCHAR2(200); /* 终端IP */
Terminal_Var VARCHAR2(200); /* 终端 */
Host_Var VARCHAR2(200); /* 终端主机名 */
BEGIN
/* 获取登陆用户信息 */
SELECT SYS_CONTEXT('USERENV','SESSIONID'),
SYS_CONTEXT('USERENV','OS_USER'),
SYS_CONTEXT('USERENV','IP_ADDRESS'),
SYS_CONTEXT('USERENV','TERMINAL'),
SYS_CONTEXT('USERENV','HOST')
INTO Session_Id_Var,
Os_User_Var,
IP_Address_Var,
Terminal_Var,
Host_Var
FROM DUAL;
/* 记录登陆审计信息 */
INSERT INTO system.Audit_Login_DB(
Session_Id, /* 会话ID */
OS_User, /* 终端OS用户 */
IP_Address, /* 终端IP地址 */
Terminal, /* 终端 */
Host, /* 终端主机名 */
User_Name, /* ORACLE 用户名*/
LogOn_Date, /* 登陆时间 */
LogOff_Date, /* 登离时间 */
Elapsed_Minutes /* 在线时间 */
)
VALUES( Session_Id_Var,
Os_User_Var,
IP_Address_Var,
Terminal_Var,
Host_Var,
USER,
SYSDATE,
NULL,
NULL);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
NULL;
END Login_Audit_Trigger;
/
/* ------- BEFORE LOGOFF ON DATABASE 触发器 -------*/
CREATE OR REPLACE TRIGGER SYS.LogOff_Audit_Trigger
BEFORE LOGOFF ON DATABASE
/*
||名称：会话登离事件审计触发器
||说明：
*/
DECLARE
Session_Id_Var NUMBER; /* 会话ID */
BEGIN
/* 获取登陆用户信息 */
SELECT SYS_CONTEXT('USERENV','SESSIONID')
INTO Session_Id_Var
FROM DUAL;
/* 更新会话审计记录信息 */
UPDATE system.Audit_Login_DB
SET LogOff_Date = SYSDATE,
Elapsed_Minutes = ROUND((SYSDATE - LogOn_Date)* 1440)
WHERE Session_Id = Session_Id_Var;
--WHERE SYS_CONTEXT('USERENV','SESSIONID') = Session_Id;
COMMIT;
EXCEPTION
WHEN OTHERS THEN
NULL;
END LogOff_Audit_Trigger;
/
/* ------- AFTER DDL ON DATABASE 触发器 -------*/
CREATE OR REPLACE TRIGGER SYS.DDL_Audit_Trigger
AFTER DDL ON DATABASE
/*
||名称：DDL事件审计触发器
||说明：
*/
DECLARE
Session_Id_Var NUMBER; /* 会话ID */
Os_User_Var VARCHAR2(200); /* 终端OS用户 */
IP_Address_Var VARCHAR2(200); /* 终端IP */
Terminal_Var VARCHAR2(200); /* 终端 */
Host_Var VARCHAR2(200); /* 终端主机名 */
Cut NUMBER; /* SQL列表长度 */
Sql_Text ORA_NAME_LIST_T; /* SQL_TEXT 列表 */
L_Trace NUMBER; /* 循环执行条件 */
DDL_Sql_Var VARCHAR2(2000); /* DDL语句 */
BEGIN
/* 获取操作用户信息 */
SELECT SYS_CONTEXT('USERENV','SESSIONID'),
SYS_CONTEXT('USERENV','OS_USER'),
SYS_CONTEXT('USERENV','IP_ADDRESS'),
SYS_CONTEXT('USERENV','TERMINAL'),
SYS_CONTEXT('USERENV','HOST')
INTO Session_Id_Var,
Os_User_Var,
IP_Address_Var,
Terminal_Var,
Host_Var
FROM DUAL;
/* 获取DDL SQL语句 */
BEGIN
SELECT COUNT(*) INTO L_Trace FROM DUAL
WHERE ORA_DICT_OBJ_NAME NOT LIKE 'MLOG%'
AND ORA_DICT_OBJ_NAME NOT LIKE '%LOG'
AND UTL_INADDR.GET_HOST_ADDRESS IS NOT NULL
AND SYS_CONTEXT('USERENV','IP_ADDRESS') IS NOT NULL
AND SYS_CONTEXT('USERENV','IP_ADDRESS') <> UTL_INADDR.GET_HOST_ADDRESS;
IF L_Trace > THEN
Cut := ORA_SQL_TXT(Sql_Text);
FOR i IN 1..Cut LOOP
DDL_Sql_Var := SUBSTR(DDL_Sql_Var || Sql_Text(i),1,2000);
END LOOP;
END IF;
EXCEPTION
WHEN OTHERS THEN
NULL;
END;
/* 记录登陆审计信息 */
INSERT INTO system.Audit_DDL_OBJ(
Opr_Time, /* 操作时间 */
Session_Id, /* 会话ID */
OS_User, /* 终端OS用户 */
IP_Address, /* 终端IP地址 */
Terminal, /* 终端 */
Host, /* 终端主机名 */
User_Name, /* ORACLE 用户名*/
DDL_Type, /* DDL操作类型 */
DDL_Sql, /* DDL语句 */
Object_Type, /* 操作对象类型 */
Owner, /* 对象拥有者 */
Object_Name /* 对象名称 */
)
VALUES( SYSDATE,
Session_Id_Var,
Os_User_Var,
IP_Address_Var,
Terminal_Var,
Host_Var,
ORA_LOGIN_USER,
ORA_SYSEVENT,
DDL_Sql_Var,
ORA_DICT_OBJ_TYPE,
ORA_DICT_OBJ_OWNER,
ORA_DICT_OBJ_NAME);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
NULL;
END DDL_Audit_Trigger;
/
/* ========================= 审计DML语句 ========================= */
/*
||名称：利用DBMS_FGA包的细粒度审计功能实现对DML语句的审计
||说明：
*/
CREATE SEQUENCE SEQ_SELECT_NUMBER MINVALUE 1 MAXVALUE 100000 START WITH 1 INCREMENT BY 1;
CREATE SEQUENCE SEQ_INSERT_NUMBER MINVALUE 1 MAXVALUE 100000 START WITH 1 INCREMENT BY 1;
CREATE SEQUENCE SEQ_UPDATE_NUMBER MINVALUE 1 MAXVALUE 100000 START WITH 1 INCREMENT BY 1;
CREATE SEQUENCE SEQ_DELETE_NUMBER MINVALUE 1 MAXVALUE 100000 START WITH 1 INCREMENT BY 1;
SELECT 'DBMS_FGA.ADD_POLICY(OBJECT_SCHEMA => '''||OWNER||''', OBJECT_NAME => '''||TABLE_NAME||''',STATEMENT_* => ''SELECT'',POLICY_NAME => ''CHK_SELECT_'||SEQ_SELECT_NUMBER.NEXTVAL||'''); ' FROM ALL_TABLES WHERE WNER='INXITE'
UNION
SELECT 'DBMS_FGA.ADD_POLICY(OBJECT_SCHEMA => '''||OWNER||''', OBJECT_NAME => '''||TABLE_NAME||''',STATEMENT_* => ''INSERT'',POLICY_NAME => ''CHK_INSERT_'||SEQ_INSERT_NUMBER.NEXTVAL||'''); ' FROM ALL_TABLES WHERE WNER='INXITE'
UNION
SELECT 'DBMS_FGA.ADD_POLICY(OBJECT_SCHEMA => '''||OWNER||''', OBJECT_NAME => '''||TABLE_NAME||''',STATEMENT_* => ''UPDATE'',POLICY_NAME => ''CHK_UPDATE_'||SEQ_UPDATE_NUMBER.NEXTVAL||'''); ' FROM ALL_TABLES WHERE WNER='INXITE'
UNION
SELECT 'DBMS_FGA.ADD_POLICY(OBJECT_SCHEMA => '''||OWNER||''', OBJECT_NAME => '''||TABLE_NAME||''',STATEMENT_* => ''DELETE'',POLICY_NAME => ''CHK_DELETE_'||SEQ_DELETE_NUMBER.NEXTVAL||'''); ' FROM ALL_TABLES WHERE WNER='INXITE'
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