C#-文件安全性ACL访问

最新推荐文章于 2023-12-26 11:02:08 发布

dxm809

最新推荐文章于 2023-12-26 11:02:08 发布

阅读量480

点赞数

分类专栏： C#

C# 专栏收录该内容

369 篇文章

订阅专栏

本文演示了如何使用C#编程语言来操作文件和目录的访问控制。通过实例展示了如何读取和修改文件及目录的ACL（访问控制列表），包括获取当前的访问规则、添加新的访问规则等。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.AccessControl;
using System.Security.Principal;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
class Program
{
static void Main(string[] args)
{
string fileName = AppDomain.CurrentDomain.BaseDirectory + "test.txt";
string dir = AppDomain.CurrentDomain.BaseDirectory;
try
{
Console.WriteLine("File ACL");
using (FileStream fs = new FileStream(fileName, FileMode.Open,FileAccess.Read))
{
FileSecurity fsec = fs.GetAccessControl();
foreach(FileSystemAccessRule rule in fsec.GetAccessRules(true,true,typeof(NTAccount)))
{
Console.WriteLine("{0} {1} {2} acess for {3}", Path.GetFileName(fileName),
rule.AccessControlType == AccessControlType.Allow ? "Provides" : "denies",
rule.FileSystemRights, rule.IdentityReference);
}

FileSystemAccessRule newRule = new FileSystemAccessRule(new System.Security.Principal.NTAccount(@"BUILTIN\Users"), FileSystemRights.FullControl, AccessControlType.Allow);
fsec.AddAccessRule(newRule);
File.SetAccessControl(fileName, fsec);

Console.WriteLine();
Console.WriteLine("Add ACL");
foreach (FileSystemAccessRule rule in fsec.GetAccessRules(true, true, typeof(NTAccount)))
{
Console.WriteLine("{0} {1} {2} acess for {3}", Path.GetFileName(fileName),
rule.AccessControlType == AccessControlType.Allow ? "Provides" : "denies",
rule.FileSystemRights, rule.IdentityReference);
}
}
Console.WriteLine("Directory ACL");
DirectoryInfo di = new DirectoryInfo(dir);
DirectorySecurity dsec = di.GetAccessControl();
foreach (FileSystemAccessRule rule in dsec.GetAccessRules(true,true,typeof(NTAccount)))
{
Console.WriteLine("{0} {1} {2} acess for {3}", dir,
rule.AccessControlType == AccessControlType.Allow ? "Provides" : "denies",
rule.FileSystemRights, rule.IdentityReference);
}

Console.Read();
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Console.Read();
}
}
}
}