명시적/암시적 사용 권한(데이터베이스 엔진)

dbo.ImplyingPermissions

다음 예제 스크립트에서는 보안 클래스의 이름과 사용 권한 이름을 해당 인수로 사용합니다. 이 예제는 지정된 노드에서 루트(서버의 CONTROL SERVER)로 사용 권한 계층을 이동합니다. 이 예제는 내재적으로 지정된 사용 권한이 포함된 사용 권한 목록을 반환합니다.

CREATE FUNCTION dbo.ImplyingPermissions (@class nvarchar(64), 
   @permname nvarchar(64))
RETURNS @ImplPerms table (permname nvarchar(64), 
   class nvarchar(64), height int, rank int)
AS
BEGIN
   WITH 
   class_hierarchy(class_desc, parent_class_desc)
   AS
   (
   SELECT DISTINCT class_desc, parent_class_desc 
      FROM sys.fn_builtin_permissions('')
   ),
   PermT(class_desc, permission_name, covering_permission_name,
      parent_covering_permission_name, parent_class_desc)
   AS
   (
   SELECT class_desc, permission_name, covering_permission_name,
      parent_covering_permission_name, parent_class_desc
      FROM sys.fn_builtin_permissions('')
   ),
   permission_covers(permission_name, class_desc, level,
      inserted_as)
   AS
    (
    SELECT permission_name, class_desc, 0, 0
       FROM PermT
       WHERE permission_name = @permname AND
       class_desc = @class
    UNION ALL
    SELECT covering_permission_name, class_desc, 0, 1
       FROM PermT 
       WHERE class_desc = @class AND 
          permission_name = @permname AND
          len(covering_permission_name) > 0
    UNION ALL
    SELECT PermT.covering_permission_name, 
       PermT.class_desc, permission_covers.level,
       permission_covers.inserted_as + 1
       FROM PermT, permission_covers WHERE
       permission_covers.permission_name =
       PermT.permission_name AND
       permission_covers.class_desc = PermT.class_desc 
       AND len(PermT.covering_permission_name) > 0
    UNION ALL
    SELECT PermT.parent_covering_permission_name,
       PermT.parent_class_desc,
       permission_covers.level + 1,
       permission_covers.inserted_as + 1
       FROM PermT, permission_covers, class_hierarchy
       WHERE permission_covers.permission_name =
       PermT.permission_name AND 
       permission_covers.class_desc = PermT.class_desc
       AND permission_covers.class_desc = class_hierarchy.class_desc
       AND class_hierarchy.parent_class_desc =
       PermT.parent_class_desc AND
       len(PermT.parent_covering_permission_name) > 0
    )
  INSERT @ImplPerms
  SELECT DISTINCT permission_name, class_desc, 
     level, max(inserted_as) AS mia 
     FROM permission_covers
     GROUP BY class_desc, permission_name, level
     ORDER BY level, mia
  RETURN
END

1. 스키마에 대한 ALTER 권한이 내재된 사용 권한 나열

SELECT * FROM dbo.ImplyingPermissions('schema', 'alter')

2. 개체에 대한 VIEW DEFINITION 권한이 내재된 사용 권한 나열

SELECT * FROM dbo.ImplyingPermissions('object', 'view definition') 

3. 경로에 대한 TAKE OWNERSHIP 권한이 내재된 사용 권한 나열

SELECT * FROM dbo.ImplyingPermissions('route', 'take ownership')

4. XML 스키마 컬렉션에 대한 EXECUTE 권한이 내재된 사용 권한 나열

SELECT * FROM dbo.ImplyingPermissions('xml schema collection', 'execute')

참고 항목

참조

개념