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C# - Sicherheit von Verzeichnisssen und Dateien ändern

Veröffentlicht von am 23.11.2007
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Mit dieser Klasse können die Sicherheitseinstellungen von Dateien und Verzeichnissen geändert werden.

z.B.: Benuzterrechte und Gruppenrechte
GFU-Schulungen  [Anzeige]

C# Grundlagen

Die Schulung vermittelt Ihnen die Grundlagen von C# in der Arbeit mit Datentypen sowie bei Klassenbibliotheken. Sie lernen, mit Variablen umzugehen und deren verschiedene Formen zu konvertieren. 

ASP.NET 2.0 und 3.5

Dieser Kurs vermittelt Ihnen alle Erweiterungen von Microsoft ASP.NET 2.0. Zu diesen zählen u. a. Data Bindung, Master Pages, und Security.

using System;
using System.Collections.Generic;
using System.Text;

namespace Helper
{
    public class SecurityDirectory
    {
        /// <summary>
        /// Adds an AccessControlList entry on the specified directory for the specified account.
        /// </summary>
        /// <param name="directoryPath"></param>
        /// <param name="identity"></param>
        /// <param name="fileSystemRights"></param>
        /// <param name="inheritanceFlags"></param>
        /// <param name="propogationFlags"></param>
        /// <param name="accessControlType"></param>
        public static void AddDirectorySecurity(string directoryPath, string identity, System.Security.AccessControl.FileSystemRights fileSystemRights, System.Security.AccessControl.InheritanceFlags inheritanceFlags, System.Security.AccessControl.PropagationFlags propogationFlags, System.Security.AccessControl.AccessControlType accessControlType)
        {
            // Create a new DirectoryInfo object. 
            System.IO.DirectoryInfo dirInfo = new System.IO.DirectoryInfo(directoryPath);

            // Get a DirectorySecurity object that represents the current security settings. 
            System.Security.AccessControl.DirectorySecurity dirSecurity = dirInfo.GetAccessControl();

            // Add the FileSystemAccessRule to the security settings.  
            dirSecurity.AddAccessRule(new System.Security.AccessControl.FileSystemAccessRule(identity, fileSystemRights, inheritanceFlags, propogationFlags, accessControlType));

            // Set the new access settings. 
            dirInfo.SetAccessControl(dirSecurity);
        }
        /// <summary>
        /// Adds an AccessControlList entry on the specified directory for the specified account.
        /// </summary>
        /// <param name="directoryPath"></param>
        /// <param name="identity"></param>
        /// <param name="fileSystemRights"></param>
        /// <param name="accessControlType"></param>
        public static void AddDirectorySecurity(string directoryPath, string identity, System.Security.AccessControl.FileSystemRights fileSystemRights, System.Security.AccessControl.AccessControlType accessControlType)
        {
            // Create a new DirectoryInfo object. 
            System.IO.DirectoryInfo dirInfo = new System.IO.DirectoryInfo(directoryPath);

            // Get a DirectorySecurity object that represents the current security settings. 
            System.Security.AccessControl.DirectorySecurity dirSecurity = dirInfo.GetAccessControl();

            // Add the FileSystemAccessRule to the security settings.  
            dirSecurity.AddAccessRule(new System.Security.AccessControl.FileSystemAccessRule(identity, fileSystemRights, accessControlType));

            // Set the new access settings. 
            dirInfo.SetAccessControl(dirSecurity);
        }

        /// <summary>
        /// Removes an AccessControlList entry on the specified directory for the specified account.
        /// </summary>
        /// <param name="directoryPath"></param>
        /// <param name="identity"></param>
        /// <param name="fileSystemRights"></param>
        /// <param name="inheritanceFlags"></param>
        /// <param name="propogationFlags"></param>
        /// <param name="accessControlType"></param>
        public static void RemoveDirectorySecurity(string directoryPath, string identity, System.Security.AccessControl.FileSystemRights fileSystemRights, System.Security.AccessControl.InheritanceFlags inheritanceFlags, System.Security.AccessControl.PropagationFlags propogationFlags, System.Security.AccessControl.AccessControlType accessControlType)
        {
            // Create a new DirectoryInfo object. 
            System.IO.DirectoryInfo dirInfo = new System.IO.DirectoryInfo(directoryPath);

            // Get a DirectorySecurity object that represents the current security settings. 
            System.Security.AccessControl.DirectorySecurity dirSecurity = dirInfo.GetAccessControl();

            // Remove the FileSystemAccessRule from the security settings.  
            dirSecurity.RemoveAccessRule(new System.Security.AccessControl.FileSystemAccessRule(identity, fileSystemRights, inheritanceFlags, propogationFlags, accessControlType)); 

            // Set the new access settings. 
            dirInfo.SetAccessControl(dirSecurity);
        }
        /// <summary>
        /// Removes an AccessControlList entry on the specified directory for the specified account.
        /// </summary>
        /// <param name="directoryPath"></param>
        /// <param name="identity"></param>
        /// <param name="fileSystemRights"></param>
        /// <param name="accessControlType"></param>
        public static void RemoveDirectorySecurity(string directoryPath, string identity, System.Security.AccessControl.FileSystemRights fileSystemRights, System.Security.AccessControl.AccessControlType accessControlType)
        {
            // Create a new DirectoryInfo object. 
            System.IO.DirectoryInfo dirInfo = new System.IO.DirectoryInfo(directoryPath);

            // Get a DirectorySecurity object that represents the current security settings. 
            System.Security.AccessControl.DirectorySecurity dirSecurity = dirInfo.GetAccessControl();

            // Remove the FileSystemAccessRule from the security settings.  
            dirSecurity.RemoveAccessRule(new System.Security.AccessControl.FileSystemAccessRule(identity, fileSystemRights, accessControlType));

            // Set the new access settings. 
            dirInfo.SetAccessControl(dirSecurity);
        }

        /// <summary>
        /// Removes an AccessControlList entry on the specified directory for the specified account. 
        /// </summary>
        /// <param name="directoryPath"></param>
        public static void RemoveInheritablePermissons(string directoryPath)
        {
            // Create a new DirectoryInfo object. 
            System.IO.DirectoryInfo dirInfo = new System.IO.DirectoryInfo(directoryPath);

            // Get a DirectorySecurity object that represents the current security settings. 
            System.Security.AccessControl.DirectorySecurity dirSecurity = dirInfo.GetAccessControl();

            // Add the FileSystemAccessRule to the security settings. 
            const bool IsProtected = true;
            const bool PreserveInheritance = false;
            dirSecurity.SetAccessRuleProtection(IsProtected, PreserveInheritance);

            // Set the new access settings. 
            dirInfo.SetAccessControl(dirSecurity);
        }

    }
    class SecurityFile
    {
        /// <summary>
        /// Adds an AccessControlList entry on the specified file for the specified account.
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="identity"></param>
        /// <param name="fileSystemRights"></param>
        /// <param name="inheritanceFlags"></param>
        /// <param name="propogationFlags"></param>
        /// <param name="accessControlType"></param>
        public static void AddFileSecurity(string filePath, string identity, System.Security.AccessControl.FileSystemRights fileSystemRights, System.Security.AccessControl.InheritanceFlags inheritanceFlags, System.Security.AccessControl.PropagationFlags propogationFlags, System.Security.AccessControl.AccessControlType accessControlType)
        {
            // Get a FileSecurity object that represents the current security settings.
            System.Security.AccessControl.FileSecurity fileSecurity = System.IO.File.GetAccessControl(filePath);

            // Add the FileSystemAccessRule to the security settings. 
            fileSecurity.AddAccessRule(new System.Security.AccessControl.FileSystemAccessRule(identity, fileSystemRights, inheritanceFlags, propogationFlags, accessControlType)); 

            // Set the new access settings.
            System.IO.File.SetAccessControl(filePath, fileSecurity);
        }
       /// <summary>
        /// Adds an AccessControlList entry on the specified file for the specified account.
       /// </summary>
       /// <param name="filePath"></param>
       /// <param name="identity"></param>
       /// <param name="fileSystemRights"></param>
       /// <param name="accessControlType"></param>
        public static void AddFileSecurity(string filePath, string identity, System.Security.AccessControl.FileSystemRights fileSystemRights, System.Security.AccessControl.AccessControlType accessControlType)
        {
            // Get a FileSecurity object that represents the current security settings.
            System.Security.AccessControl.FileSecurity fileSecurity = System.IO.File.GetAccessControl(filePath);

            // Add the FileSystemAccessRule to the security settings. 
            fileSecurity.AddAccessRule(new System.Security.AccessControl.FileSystemAccessRule(identity, fileSystemRights, accessControlType));

            // Set the new access settings.
            System.IO.File.SetAccessControl(filePath, fileSecurity);
        }
        
        /// <summary>
        /// Removes an AccessControlList entry on the specified file for the specified account.
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="identity"></param>
        /// <param name="fileSystemRights"></param>
        /// <param name="inheritanceFlags"></param>
        /// <param name="propogationFlags"></param>
        /// <param name="accessControlType"></param>
        public static void RemoveFileSecurity(string filePath, string identity, System.Security.AccessControl.FileSystemRights fileSystemRights, System.Security.AccessControl.InheritanceFlags inheritanceFlags, System.Security.AccessControl.PropagationFlags propogationFlags, System.Security.AccessControl.AccessControlType accessControlType)
        {
            // Get a FileSecurity object that represents the current security settings.
            System.Security.AccessControl.FileSecurity fileSecurity = System.IO.File.GetAccessControl(filePath);

            // Add the FileSystemAccessRule to the security settings. 
            fileSecurity.RemoveAccessRule(new System.Security.AccessControl.FileSystemAccessRule(identity, fileSystemRights, inheritanceFlags, propogationFlags, accessControlType)); 

            // Set the new access settings.
            System.IO.File.SetAccessControl(filePath, fileSecurity);
        }

        /// <summary>
        /// Removes an AccessControlList entry on the specified file for the specified account.
        /// </summary>
        /// <param name="filePath"></param>
        /// <param name="identity"></param>
        /// <param name="fileSystemRights"></param>
        /// <param name="accessControlType"></param>
        public static void RemoveFileSecurity(string filePath, string identity, System.Security.AccessControl.FileSystemRights fileSystemRights, System.Security.AccessControl.AccessControlType accessControlType)
        {
            // Get a FileSecurity object that represents the current security settings.
            System.Security.AccessControl.FileSecurity fileSecurity = System.IO.File.GetAccessControl(filePath);

            // Add the FileSystemAccessRule to the security settings. 
            fileSecurity.RemoveAccessRule(new System.Security.AccessControl.FileSystemAccessRule(identity, fileSystemRights, accessControlType));

            // Set the new access settings.
            System.IO.File.SetAccessControl(filePath, fileSecurity);
        }

        /// <summary>
        /// Removes an AccessControlList entry on the specified directory for the specified account. 
        /// </summary>
        /// <param name="fileName">Path to the folder</param> 
        public static void RemoveInheritablePermissons(string fileName)
        {
            // Get a DirectorySecurity object that represents the current security settings. 
            System.Security.AccessControl.FileSecurity fileSecurity = System.IO.File.GetAccessControl(fileName);

            // Add the FileSystemAccessRule to the security settings. 
            const bool IsProtected = true;
            const bool PreserveInheritance = false;
            fileSecurity.SetAccessRuleProtection(IsProtected, PreserveInheritance);

            // Set the new access settings. 
            System.IO.File.SetAccessControl(fileName,fileSecurity);
        }
    }
}

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