DirectoryInfo.SetAccessControl(DirectorySecurity) Methode

public:
 void SetAccessControl(System::Security::AccessControl::DirectorySecurity ^ directorySecurity);

public void SetAccessControl(System.Security.AccessControl.DirectorySecurity directorySecurity);

member this.SetAccessControl : System.Security.AccessControl.DirectorySecurity -> unit

Public Sub SetAccessControl (directorySecurity As DirectorySecurity)

Parameters

Uitzonderingen

Voorbeelden

In het volgende voorbeeld worden de GetAccessControl en SetAccessControl methoden gebruikt om een ACL-vermelding (Access Control List) toe te voegen en vervolgens uit een map te verwijderen.

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(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(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

Opmerkingen

Een toegangsbeheerlijst (ACL) beschrijft personen en groepen die al dan niet rechten hebben voor specifieke acties in het opgegeven bestand of de opgegeven map. Zie Instructies voor het toevoegen of verwijderen van vermeldingen in toegangsbeheerlijsten voor meer informatie.

Met de SetAccessControl methode worden ACL-vermeldingen toegepast op een bestand dat de niet-ingevoegde ACL-lijst vertegenwoordigt.

De SetAccessControl methode behoudt alleen DirectorySecurity objecten die zijn gewijzigd na het maken van het object. Als een DirectorySecurity object niet is gewijzigd, wordt het niet opgeslagen in een bestand. Daarom is het niet mogelijk om een object op te halen uit het DirectorySecurity ene bestand en hetzelfde object opnieuw toe te past op een ander bestand.

ACL-gegevens van het ene bestand naar het andere kopiëren:

1. Gebruik de GetAccessControl methode om het DirectorySecurity object op te halen uit het bronbestand.

2. Maak een nieuw DirectorySecurity object voor het doelbestand.

3. Gebruik de GetSecurityDescriptorBinaryForm of GetSecurityDescriptorSddlForm methode van het bronobject DirectorySecurity om de ACL-informatie op te halen.

4. Gebruik de SetSecurityDescriptorBinaryForm of SetSecurityDescriptorSddlForm methode om de gegevens die in stap 3 zijn opgehaald, te kopiëren naar het doelobject DirectorySecurity .

5. Stel het doelobject DirectorySecurity in op het doelbestand met behulp van de SetAccessControl methode.