Directory.GetAccessControl 方法
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
傳回目錄的 Windows 存取控制清單 (ACL)。
多載
GetAccessControl(String) |
取得 DirectorySecurity 物件,該物件會封裝指定目錄的存取控制清單 (ACL) 項目。 |
GetAccessControl(String, AccessControlSections) |
取得 DirectorySecurity 物件,該物件會為指定的目錄封裝指定類型的存取控制清單 (ACL) 項目。 |
GetAccessControl(String)
取得 DirectorySecurity 物件,該物件會封裝指定目錄的存取控制清單 (ACL) 項目。
public:
static System::Security::AccessControl::DirectorySecurity ^ GetAccessControl(System::String ^ path);
public static System.Security.AccessControl.DirectorySecurity GetAccessControl (string path);
static member GetAccessControl : string -> System.Security.AccessControl.DirectorySecurity
Public Shared Function GetAccessControl (path As String) As DirectorySecurity
參數
- path
- String
目錄的路徑,內含 DirectorySecurity 物件,其描述了檔案的存取控制清單 (ACL) 資訊。
傳回
封裝 path
參數所描述之檔案存取控制規則的物件。
例外狀況
path
參數為 null
。
開啟目錄時發生 I/O 錯誤。
發生系統層級錯誤,例如找不到目錄。 特定的例外狀況可能為 SystemException 的子類別。
範例
下列範例會使用 GetAccessControl 和 SetAccessControl 方法來新增訪問控制清單 (ACL) 項目,然後從目錄中移除 ACL 專案。 您必須提供有效的使用者或群組帳戶,才能執行這個範例。
using namespace System;
using namespace System::IO;
using namespace System::Security::AccessControl;
// Adds an ACL entry on the specified directory for the
// specified account.
void AddDirectorySecurity(String^ directoryName, String^ account,
FileSystemRights rights, AccessControlType controlType)
{
// Create a new DirectoryInfo object.
DirectoryInfo^ dInfo = gcnew DirectoryInfo(directoryName);
// Get a DirectorySecurity object that represents the
// current security settings.
DirectorySecurity^ dSecurity = dInfo->GetAccessControl();
// Add the FileSystemAccessRule to the security settings.
dSecurity->AddAccessRule( gcnew FileSystemAccessRule(account,
rights, controlType));
// Set the new access settings.
dInfo->SetAccessControl(dSecurity);
}
// Removes an ACL entry on the specified directory for the
// specified account.
void RemoveDirectorySecurity(String^ directoryName, String^ account,
FileSystemRights rights, AccessControlType controlType)
{
// Create a new DirectoryInfo object.
DirectoryInfo^ dInfo = gcnew DirectoryInfo(directoryName);
// Get a DirectorySecurity object that represents the
// current security settings.
DirectorySecurity^ dSecurity = dInfo->GetAccessControl();
// Add the FileSystemAccessRule to the security settings.
dSecurity->RemoveAccessRule(gcnew FileSystemAccessRule(account,
rights, controlType));
// Set the new access settings.
dInfo->SetAccessControl(dSecurity);
}
int main()
{
String^ directoryName = "TestDirectory";
String^ accountName = "MYDOMAIN\\MyAccount";
if (!Directory::Exists(directoryName))
{
Console::WriteLine("The directory {0} could not be found.",
directoryName);
return 0;
}
try
{
Console::WriteLine("Adding access control entry for {0}",
directoryName);
// Add the access control entry to the directory.
AddDirectorySecurity(directoryName, accountName,
FileSystemRights::ReadData, AccessControlType::Allow);
Console::WriteLine("Removing access control entry from {0}",
directoryName);
// Remove the access control entry from the directory.
RemoveDirectorySecurity(directoryName, accountName,
FileSystemRights::ReadData, AccessControlType::Allow);
Console::WriteLine("Done.");
}
catch (UnauthorizedAccessException^)
{
Console::WriteLine("You are not authorised to carry" +
" out this procedure.");
}
catch (System::Security::Principal::
IdentityNotMappedException^)
{
Console::WriteLine("The account {0} could not be found.", accountName);
}
}
using System;
using System.IO;
using System.Security.AccessControl;
namespace FileSystemExample
{
class DirectoryExample
{
public static void Main()
{
try
{
string DirectoryName = "TestDirectory";
Console.WriteLine("Adding access control entry for " + DirectoryName);
// Add the access control entry to the directory.
AddDirectorySecurity(DirectoryName, @"MYDOMAIN\MyAccount", FileSystemRights.ReadData, AccessControlType.Allow);
Console.WriteLine("Removing access control entry from " + DirectoryName);
// Remove the access control entry from the directory.
RemoveDirectorySecurity(DirectoryName, @"MYDOMAIN\MyAccount", FileSystemRights.ReadData, AccessControlType.Allow);
Console.WriteLine("Done.");
}
catch (Exception e)
{
Console.WriteLine(e);
}
Console.ReadLine();
}
// Adds an ACL entry on the specified directory for the specified account.
public static void AddDirectorySecurity(string DirectoryName, string Account, FileSystemRights Rights, AccessControlType ControlType)
{
// Create a new DirectoryInfo object.
DirectoryInfo dInfo = new DirectoryInfo(DirectoryName);
// Get a DirectorySecurity object that represents the
// current security settings.
DirectorySecurity dSecurity = dInfo.GetAccessControl();
// Add the FileSystemAccessRule to the security settings.
dSecurity.AddAccessRule(new FileSystemAccessRule(Account,
Rights,
ControlType));
// Set the new access settings.
dInfo.SetAccessControl(dSecurity);
}
// Removes an ACL entry on the specified directory for the specified account.
public static void RemoveDirectorySecurity(string DirectoryName, string Account, FileSystemRights Rights, AccessControlType ControlType)
{
// Create a new DirectoryInfo object.
DirectoryInfo dInfo = new DirectoryInfo(DirectoryName);
// Get a DirectorySecurity object that represents the
// current security settings.
DirectorySecurity dSecurity = dInfo.GetAccessControl();
// Add the FileSystemAccessRule to the security settings.
dSecurity.RemoveAccessRule(new FileSystemAccessRule(Account,
Rights,
ControlType));
// Set the new access settings.
dInfo.SetAccessControl(dSecurity);
}
}
}
open System
open System.IO
open System.Security.AccessControl
// Adds an ACL entry on the specified directory for the specified account.
let addDirectorySecurity fileName (account: string) rights controlType =
// Create a new DirectoryInfo object.
let dInfo = DirectoryInfo fileName
// Get a DirectorySecurity object that represents the
// current security settings.
let dSecurity = dInfo.GetAccessControl()
// Add the FileSystemAccessRule to the security settings.
dSecurity.AddAccessRule(FileSystemAccessRule(account, rights, controlType))
// Set the new access settings.
dInfo.SetAccessControl dSecurity
// Removes an ACL entry on the specified directory for the specified account.
let removeDirectorySecurity fileName (account: string) rights controlType =
// Create a new DirectoryInfo object.
let dInfo = DirectoryInfo fileName
// Get a DirectorySecurity object that represents the
// current security settings.
let dSecurity = dInfo.GetAccessControl()
// Add the FileSystemAccessRule to the security settings.
dSecurity.RemoveAccessRule(FileSystemAccessRule(account, rights, controlType)) |> ignore
// Set the new access settings.
dInfo.SetAccessControl dSecurity
try
let DirectoryName = "TestDirectory"
printfn $"Adding access control entry for {DirectoryName}"
// Add the access control entry to the directory.
addDirectorySecurity DirectoryName @"MYDOMAIN\MyAccount" FileSystemRights.ReadData AccessControlType.Allow
printfn $"Removing access control entry from {DirectoryName}"
// Remove the access control entry from the directory.
removeDirectorySecurity DirectoryName @"MYDOMAIN\MyAccount" FileSystemRights.ReadData AccessControlType.Allow
printfn "Done."
with e ->
printfn $"{e}"
Imports System.IO
Imports System.Security.AccessControl
Module DirectoryExample
Sub Main()
Try
Dim DirectoryName As String = "TestDirectory"
Console.WriteLine("Adding access control entry for " + DirectoryName)
' Add the access control entry to the directory.
AddDirectorySecurity(DirectoryName, "MYDOMAIN\MyAccount", FileSystemRights.ReadData, AccessControlType.Allow)
Console.WriteLine("Removing access control entry from " + DirectoryName)
' Remove the access control entry from the directory.
RemoveDirectorySecurity(DirectoryName, "MYDOMAIN\MyAccount", FileSystemRights.ReadData, AccessControlType.Allow)
Console.WriteLine("Done.")
Catch e As Exception
Console.WriteLine(e)
End Try
Console.ReadLine()
End Sub
' Adds an ACL entry on the specified directory for the specified account.
Sub AddDirectorySecurity(ByVal FileName As String, ByVal Account As String, ByVal Rights As FileSystemRights, ByVal ControlType As AccessControlType)
' Create a new DirectoryInfoobject.
Dim dInfo As New DirectoryInfo(FileName)
' Get a DirectorySecurity object that represents the
' current security settings.
Dim dSecurity As DirectorySecurity = dInfo.GetAccessControl()
' Add the FileSystemAccessRule to the security settings.
dSecurity.AddAccessRule(New FileSystemAccessRule(Account, Rights, ControlType))
' Set the new access settings.
dInfo.SetAccessControl(dSecurity)
End Sub
' Removes an ACL entry on the specified directory for the specified account.
Sub RemoveDirectorySecurity(ByVal FileName As String, ByVal Account As String, ByVal Rights As FileSystemRights, ByVal ControlType As AccessControlType)
' Create a new DirectoryInfo object.
Dim dInfo As New DirectoryInfo(FileName)
' Get a DirectorySecurity object that represents the
' current security settings.
Dim dSecurity As DirectorySecurity = dInfo.GetAccessControl()
' Add the FileSystemAccessRule to the security settings.
dSecurity.RemoveAccessRule(New FileSystemAccessRule(Account, Rights, ControlType))
' Set the new access settings.
dInfo.SetAccessControl(dSecurity)
End Sub
End Module
備註
GetAccessControl使用方法來擷取目錄 (ACL) 項目的訪問控制清單。
ACL 描述具有或沒有指定檔案或目錄上特定動作許可權的個人和/或群組。 如需詳細資訊,請參閱如何:新增或移除存取控制清單項目。
在NTFS環境中,如果使用者具有ListDirectory父資料夾的許可權,ReadAttributes則會ReadExtendedAttributes授與使用者。 若要拒絕 ReadAttributes 和 ReadExtendedAttributes,請在父目錄上拒絕 ListDirectory 。
適用於
GetAccessControl(String, AccessControlSections)
取得 DirectorySecurity 物件,該物件會為指定的目錄封裝指定類型的存取控制清單 (ACL) 項目。
public:
static System::Security::AccessControl::DirectorySecurity ^ GetAccessControl(System::String ^ path, System::Security::AccessControl::AccessControlSections includeSections);
public static System.Security.AccessControl.DirectorySecurity GetAccessControl (string path, System.Security.AccessControl.AccessControlSections includeSections);
static member GetAccessControl : string * System.Security.AccessControl.AccessControlSections -> System.Security.AccessControl.DirectorySecurity
Public Shared Function GetAccessControl (path As String, includeSections As AccessControlSections) As DirectorySecurity
參數
- path
- String
目錄的路徑,內含 DirectorySecurity 物件,其描述了檔案的存取控制清單 (ACL) 資訊。
- includeSections
- AccessControlSections
其中一個 AccessControlSections 值,指定要接收的存取控制清單 (ACL) 資訊之類型。
傳回
封裝 path
參數所描述之檔案存取控制規則的物件。
例外狀況
path
參數為 null
。
開啟目錄時發生 I/O 錯誤。
發生系統層級錯誤,例如找不到目錄。 特定的例外狀況可能為 SystemException 的子類別。
備註
GetAccessControl使用方法來擷取目錄 (ACL) 項目的訪問控制清單。
ACL 描述具有或沒有指定檔案或目錄上特定動作許可權的個人和/或群組。 如需詳細資訊,請參閱如何:新增或移除存取控制清單項目。
在NTFS環境中,如果使用者具有ListDirectory父資料夾的許可權,ReadAttributes則會ReadExtendedAttributes授與使用者。 若要拒絕 ReadAttributes 和 ReadExtendedAttributes,請在父目錄上拒絕 ListDirectory 。
適用於
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