dao/ChangeFileOwner/ChangeFileOwner.cs

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

namespace ChangeFileOwner
{
    class ChangeFileOwner
    {
        static void Main(string[] args)
        {
            if (args.Length != 1)
            {
                Console.WriteLine("Usage: changefileowner.exe <filename>");
                Environment.Exit(1);
            }
            string filename = args[0];

            if ( !File.Exists(filename) )
            {
                Console.WriteLine("File not found: " + filename);
                Environment.Exit(2);
            }

            FileSecurity acl = File.GetAccessControl(filename);
            IdentityReference owner = acl.GetOwner(typeof(NTAccount));
            Console.WriteLine(owner); // SID

            //step 2 
            NTAccount ntAccount = new NTAccount("DAO", "Administrator");
            acl.SetOwner(ntAccount);

            FileSystemAccessRule facls = new FileSystemAccessRule(owner, FileSystemRights.Read, AccessControlType.Allow);
            acl.RemoveAccessRuleAll(facls);
            

            try
            {
                File.SetAccessControl(filename, acl);
            }
            catch (InvalidOperationException ex)
            {
                Console.WriteLine("You cannot assign ownership to that user." +
                "Either you don't have TakeOwnership permissions, or it is not your user account."
                );
                throw;
            }
        }
    }
}
1	torben	2063	using System;
2			using System.Collections.Generic;
3			using System.Linq;
4			using System.Text;
5			using System.IO;
6			using System.Security.AccessControl;
7			using System.Security.Principal;
8
9			namespace ChangeFileOwner
10			{
11			class ChangeFileOwner
12			{
13			static void Main(string[] args)
14			{
15			if (args.Length != 1)
16			{
17			Console.WriteLine("Usage: changefileowner.exe <filename>");
18			Environment.Exit(1);
19			}
20			string filename = args[0];
21
22			if ( !File.Exists(filename) )
23			{
24			Console.WriteLine("File not found: " + filename);
25			Environment.Exit(2);
26			}
27
28			FileSecurity acl = File.GetAccessControl(filename);
29			IdentityReference owner = acl.GetOwner(typeof(NTAccount));
30			Console.WriteLine(owner); // SID
31
32			//step 2
33			NTAccount ntAccount = new NTAccount("DAO", "Administrator");
34			acl.SetOwner(ntAccount);
35
36			FileSystemAccessRule facls = new FileSystemAccessRule(owner, FileSystemRights.Read, AccessControlType.Allow);
37			acl.RemoveAccessRuleAll(facls);
38
39
40			try
41			{
42			File.SetAccessControl(filename, acl);
43			}
44			catch (InvalidOperationException ex)
45			{
46			Console.WriteLine("You cannot assign ownership to that user." +
47			"Either you don't have TakeOwnership permissions, or it is not your user account."
48			);
49			throw;
50			}
51			}
52			}
53			}