How can I get a list of all permissions for a certain file system object for a certain user or group?

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It is easy to get the current user's credentials for any file or folder. But the problem is that to get a collection of permissions (Read, Read Attributes, Write, etc.) for any given user or group, and I can not find a solution. The files and folders is located in network share resource. Users and groups is AD based. It is wery easy to manage accounts with System.DirectoryServices. But permissions on file system objects is not in AD, and that problem.

I would be very grateful for help!

Posted 16-Aug-12 1:18am

Labilis

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Kuthuparakkal · Answer 1 · 2012-08-16T05:36:00

C#

void ListDirAccessList()
       {
           // Get the ACL of the directory
           //
           System.IO.DirectoryInfo dirInfo = new System.IO.DirectoryInfo(@"C:\Test");
           DirectorySecurity dirSec = dirInfo.GetAccessControl();

           // Show the ACEs of the ACL
           //
           int i = 0;
           foreach (FileSystemAccessRule rule in dirSec.GetAccessRules(true, true, typeof(System.Security.Principal.NTAccount)))
           {
               Console.WriteLine("[{0}] - Rule {1} {2} access to {3}",
               i++,
               rule.AccessControlType == AccessControlType.Allow ? "grants" : "denies",
               rule.FileSystemRights,
               rule.IdentityReference.ToString());
           }
       }