Me gustaría escribir una consulta en un sql 2008 que informe de todos los usuarios que tienen acceso a una base de datos específica, o a objetos dentro de la base de datos como tablas, vistas y procedimientos almacenados, ya sea directamente o debido a los roles, etc. Este informe se utilizaría para fines de auditoría de seguridad. No estoy seguro de que alguien tenga una consulta que se ajuste completamente a mis necesidades, pero espero que sea algo que me dé un buen comienzo. Cualquiera de los sql 2008, 2005 o 2000 servirá, probablemente puedo convertir según sea necesario.
Este es mi primer intento de consulta, basado en las sugerencias de Andomar. Esta consulta pretende proporcionar una lista de permisos que un usuario ha aplicado directamente a la cuenta de usuario, o a través de roles que tiene el usuario.
/*
Security Audit Report
1) List all access provisioned to a sql user or windows user/group directly
2) List all access provisioned to a sql user or windows user/group through a database or application role
3) List all access provisioned to the public role
Columns Returned:
UserName : SQL or Windows/Active Directory user account. This could also be an Active Directory group.
UserType : Value will be either 'SQL User' or 'Windows User'. This reflects the type of user defined for the
SQL Server user account.
DatabaseUserName: Name of the associated user as defined in the database user account. The database user may not be the
same as the server user.
Role : The role name. This will be null if the associated permissions to the object are defined at directly
on the user account, otherwise this will be the name of the role that the user is a member of.
PermissionType : Type of permissions the user/role has on an object. Examples could include CONNECT, EXECUTE, SELECT
DELETE, INSERT, ALTER, CONTROL, TAKE OWNERSHIP, VIEW DEFINITION, etc.
This value may not be populated for all roles. Some built in roles have implicit permission
definitions.
PermissionState : Reflects the state of the permission type, examples could include GRANT, DENY, etc.
This value may not be populated for all roles. Some built in roles have implicit permission
definitions.
ObjectType : Type of object the user/role is assigned permissions on. Examples could include USER_TABLE,
SQL_SCALAR_FUNCTION, SQL_INLINE_TABLE_VALUED_FUNCTION, SQL_STORED_PROCEDURE, VIEW, etc.
This value may not be populated for all roles. Some built in roles have implicit permission
definitions.
ObjectName : Name of the object that the user/role is assigned permissions on.
This value may not be populated for all roles. Some built in roles have implicit permission
definitions.
ColumnName : Name of the column of the object that the user/role is assigned permissions on. This value
is only populated if the object is a table, view or a table value function.
*/
--List all access provisioned to a sql user or windows user/group directly
SELECT
[UserName] = CASE princ.[type]
WHEN 'S' THEN princ.[name]
WHEN 'U' THEN ulogin.[name] COLLATE Latin1_General_CI_AI
END,
[UserType] = CASE princ.[type]
WHEN 'S' THEN 'SQL User'
WHEN 'U' THEN 'Windows User'
END,
[DatabaseUserName] = princ.[name],
[Role] = null,
[PermissionType] = perm.[permission_name],
[PermissionState] = perm.[state_desc],
[ObjectType] = obj.type_desc,--perm.[class_desc],
[ObjectName] = OBJECT_NAME(perm.major_id),
[ColumnName] = col.[name]
FROM
--database user
sys.database_principals princ
LEFT JOIN
--Login accounts
sys.login_token ulogin on princ.[sid] = ulogin.[sid]
LEFT JOIN
--Permissions
sys.database_permissions perm ON perm.[grantee_principal_id] = princ.[principal_id]
LEFT JOIN
--Table columns
sys.columns col ON col.[object_id] = perm.major_id
AND col.[column_id] = perm.[minor_id]
LEFT JOIN
sys.objects obj ON perm.[major_id] = obj.[object_id]
WHERE
princ.[type] in ('S','U')
UNION
--List all access provisioned to a sql user or windows user/group through a database or application role
SELECT
[UserName] = CASE memberprinc.[type]
WHEN 'S' THEN memberprinc.[name]
WHEN 'U' THEN ulogin.[name] COLLATE Latin1_General_CI_AI
END,
[UserType] = CASE memberprinc.[type]
WHEN 'S' THEN 'SQL User'
WHEN 'U' THEN 'Windows User'
END,
[DatabaseUserName] = memberprinc.[name],
[Role] = roleprinc.[name],
[PermissionType] = perm.[permission_name],
[PermissionState] = perm.[state_desc],
[ObjectType] = obj.type_desc,--perm.[class_desc],
[ObjectName] = OBJECT_NAME(perm.major_id),
[ColumnName] = col.[name]
FROM
--Role/member associations
sys.database_role_members members
JOIN
--Roles
sys.database_principals roleprinc ON roleprinc.[principal_id] = members.[role_principal_id]
JOIN
--Role members (database users)
sys.database_principals memberprinc ON memberprinc.[principal_id] = members.[member_principal_id]
LEFT JOIN
--Login accounts
sys.login_token ulogin on memberprinc.[sid] = ulogin.[sid]
LEFT JOIN
--Permissions
sys.database_permissions perm ON perm.[grantee_principal_id] = roleprinc.[principal_id]
LEFT JOIN
--Table columns
sys.columns col on col.[object_id] = perm.major_id
AND col.[column_id] = perm.[minor_id]
LEFT JOIN
sys.objects obj ON perm.[major_id] = obj.[object_id]
UNION
--List all access provisioned to the public role, which everyone gets by default
SELECT
[UserName] = '{All Users}',
[UserType] = '{All Users}',
[DatabaseUserName] = '{All Users}',
[Role] = roleprinc.[name],
[PermissionType] = perm.[permission_name],
[PermissionState] = perm.[state_desc],
[ObjectType] = obj.type_desc,--perm.[class_desc],
[ObjectName] = OBJECT_NAME(perm.major_id),
[ColumnName] = col.[name]
FROM
--Roles
sys.database_principals roleprinc
LEFT JOIN
--Role permissions
sys.database_permissions perm ON perm.[grantee_principal_id] = roleprinc.[principal_id]
LEFT JOIN
--Table columns
sys.columns col on col.[object_id] = perm.major_id
AND col.[column_id] = perm.[minor_id]
JOIN
--All objects
sys.objects obj ON obj.[object_id] = perm.[major_id]
WHERE
--Only roles
roleprinc.[type] = 'R' AND
--Only public role
roleprinc.[name] = 'public' AND
--Only objects of ours, not the MS objects
obj.is_ms_shipped = 0
ORDER BY
princ.[Name],
OBJECT_NAME(perm.major_id),
col.[name],
perm.[permission_name],
perm.[state_desc],
obj.type_desc--perm.[class_desc]
A partir de SQL Server 2005, puede utilizar las vistas del sistema para ello. Por ejemplo, esta consulta enumera todos los usuarios de una base de datos, con sus derechos:
select princ.name
, princ.type_desc
, perm.permission_name
, perm.state_desc
, perm.class_desc
, object_name(perm.major_id)
from sys.database_principals princ
left join
sys.database_permissions perm
on perm.grantee_principal_id = princ.principal_id
Tenga en cuenta que un usuario también puede tener derechos a través de un rol. Por ejemplo, el rol db_data_reader
otorga derechos de selección
en la mayoría de los objetos.
No puedo comentar la respuesta aceptada, así que añadiré algunos comentarios aquí:
sys.objects
contiene sólo objetos de nivel de esquema. Así que para obtener información sobre los objetos de nivel superior (es decir, los esquemas en nuestro caso) es necesario utilizar la tabla sys.schemas
.[ObjectType]
es mejor usar obj.type_desc
sólo para la clase de permiso OBJECT_OR_COLUMN
. Para todos los demás casos, utilice perm.[class_desc]
.IMPERSONATE
. Para obtener información sobre las suplantaciones hay que hacer un LEFT JOIN
con sys.database_principals
en perm.major_id = imp.principal_id
.sys.login_token
por sys.server_principals
ya que mostrará también los inicios de sesión SQL, no sólo los de Windows'G'
a los tipos de directorios permitidos para permitir los grupos de Windowssys
y INFORMATION_SCHEMA
de la tabla resultante, ya que estos usuarios se utilizan sólo para el servicioVoy a publicar la primera parte del script con todas las correcciones propuestas, otras partes deben ser cambiadas también:
SELECT
[UserName] = ulogin.[name],
[UserType] = CASE princ.[type]
WHEN 'S' THEN 'SQL User'
WHEN 'U' THEN 'Windows User'
WHEN 'G' THEN 'Windows Group'
END,
[DatabaseUserName] = princ.[name],
[Role] = null,
[PermissionType] = perm.[permission_name],
[PermissionState] = perm.[state_desc],
[ObjectType] = CASE perm.[class]
WHEN 1 THEN obj.type_desc -- Schema-contained objects
ELSE perm.[class_desc] -- Higher-level objects
END,
[ObjectName] = CASE perm.[class]
WHEN 1 THEN OBJECT_NAME(perm.major_id) -- General objects
WHEN 3 THEN schem.[name] -- Schemas
WHEN 4 THEN imp.[name] -- Impersonations
END,
[ColumnName] = col.[name]
FROM
--database user
sys.database_principals princ
LEFT JOIN
--Login accounts
sys.server_principals ulogin on princ.[sid] = ulogin.[sid]
LEFT JOIN
--Permissions
sys.database_permissions perm ON perm.[grantee_principal_id] = princ.[principal_id]
LEFT JOIN
--Table columns
sys.columns col ON col.[object_id] = perm.major_id
AND col.[column_id] = perm.[minor_id]
LEFT JOIN
sys.objects obj ON perm.[major_id] = obj.[object_id]
LEFT JOIN
sys.schemas schem ON schem.[schema_id] = perm.[major_id]
LEFT JOIN
sys.database_principals imp ON imp.[principal_id] = perm.[major_id]
WHERE
princ.[type] IN ('S','U','G') AND
-- No need for these system accounts
princ.[name] NOT IN ('sys', 'INFORMATION_SCHEMA')