How to give Read/Write permissions to a Folder during installation using .NET

How to give Read/Write permissions to a Folder during installation using .NET

I have a Setup project that I have build using Visual Studio 2010.

The installer works fine in terms of installing the application and all its dependencies into their proper sub directories and Program Data directories.

However, I noticed that each directory (the root folder and all of its sub directories) that the installer created does not give "Write" permissions. The only permissions that are added to the directories for the "Users" group are:

• Read & Execute
• List folder contents
• Read

This, apparent default permissions setting, will happen regardless if the user installs the application as "Administrator" or not.

It seems odd to me that the installer doesn't give "Write" permissions to a folder that is being used by the application that is getting installed - It's even more confusing that the folder that the installer creates in the ProgramData folder for the application's database doesn't get "Write" permissions.

My question is, is there a way to configure the Setup project so that if and when it creates a folder, we can tell it what type of permissions to give it and to whom. In my case, I need give the root directory (of the application) and all of its sub directories, and the folder that is placed in the ProgramData folder "Read/Write" permissions for the "Users Group". Technically, I'm cool with giving the dirs "Full Control" to the "Users Group".

Answer by Teoman Soygul for How to give Read/Write permissions to a Folder during installation using .NET

The behavior is by design. The programs should not be modifying themselves (hence their installation directory) for anything but updates (which again can be done with Windows installer without a problem). If you're using .NET, isolated storage is an excellent location to store user data.

Answer by mrnx for How to give Read/Write permissions to a Folder during installation using .NET

By default Users group doesn't have write access in per-machine locations like Program Files. This is a Windows standard which is not related to installations. However, during install you can set any permissions you want.

Windows Installer does support custom permissions, but Visual Studio doesn't offer a way for setting them. So the only solution in Visual Studio is a custom action.

Unfortunately Visual Studio doesn't support attached custom actions. So using XCACLS.EXE to set permissions would work only if you include it in your package (it will be installed on the target machine along with your files).

A cleaner, but more complex solution is to write a custom action yourself (using custom code) to set the permissions you want.

The fastest and cleanest solution would be to use a different setup authoring tool which offers

more control over permissions.

Answer by ACK_stoverflow for How to give Read/Write permissions to a Folder during installation using .NET

I guess my other post was deleted for being a little too general, so I've refined it below:

The thing to do is make a custom action. It's pretty straightforward, check out the MSDN walkthrough for writing a C# custom action here. You'll put your permission-changing code inside the Install method:

Follow the first few steps from the link to get a new installer project referenced from your installer solution. You have to do it this way, so you can build a dll that is called at the end of installation.

Actually setting read/write privileges for Users was a little trickier, and the closest I could get was to set for Authenticated Users. I cobbled together a few other solutions I found on the Internet to come up with this:

public override void Install(IDictionary stateSaver)  {      // This gets the named parameters passed in from your custom action      string folder = Context.Parameters["folder"];        // This gets the "Authenticated Users" group, no matter what it's called      SecurityIdentifier sid = new SecurityIdentifier(WellKnownSidType.AuthenticatedUserSid, null);        // Create the rules      FileSystemAccessRule writerule = new FileSystemAccessRule(sid, FileSystemRights.Write, AccessControlType.Allow);        if (!string.IsNullOrEmpty(folder) && Directory.Exists(folder))      {          // Get your file's ACL          DirectorySecurity fsecurity = Directory.GetAccessControl(folder);            // Add the new rule to the ACL          fsecurity.AddAccessRule(writerule);            // Set the ACL back to the file          Directory.SetAccessControl(folder, fsecurity);      }        // Explicitly call the overriden method to properly return control to the installer      base.Install(stateSaver);  }  

Then, when you create your custom action, edit its properties, and add something like this under the CustomActionData property:

/folder="[CommonAppDataFolder][ProductName]"  

Answer by Kristian S?gaard for How to give Read/Write permissions to a Folder during installation using .NET

DirectoryInfo info = new DirectoryInfo(path[x]);    DirectorySecurity security = info.GetAccessControl();    security.AddAccessRule(new FileSystemAccessRule(logonName, FileSystemRights.Modify, InheritanceFlags.ContainerInherit, PropagationFlags.None, AccessControlType.Allow));    security.AddAccessRule(new FileSystemAccessRule(logonName, FileSystemRights.Modify, InheritanceFlags.ObjectInherit, PropagationFlags.None, AccessControlType.Allow));    info.SetAccessControl(security);   

Setting the inherit part is also important if you want to save and access more than just one file in the ProgramData folder.

Answer by depicci for How to give Read/Write permissions to a Folder during installation using .NET

As it has been mentioned above Users group does not have write permission in Program Files. If you don't want to deal with installer class or Wix (if it is a simple program), just prefer installing your software under a Windows Volume.

I am talking about Visual Studio Setup Wizard: Change Application Folder 'DefaultLocation' Property from [ProgramFilesFolder] to [WindowsVolume][Manufacturer][ProductName] in File System on Target Machine.

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