Re: Setting ACLs from non-domain computer

If I can get the SID for the group from the directory server (which I may be
able to do) how can I use that to set the ACLs?  FileSystemAccessRule()
seems to only take the string name or a WindowsIdentity?

I appreciate the assist,
-Mont


On 9/5/06, Dominick Baier <[email protected]> wrote:
>
> Hi,
>
> I don't think this will work - to set ACLs, the client must be able to
> talk
> to the DC to resolve SIDs to Names and vice versa - this will only work
> for
> domain members.
>
> Try this
>
> NTAccount acc = new NTAccount("domain\someAccOrGroup");
> SecurityIdentifier sid =
> (SecurityIdentifier)acc.Translate(typeof(SecurityIdentitfier);
>
> this will most prolly not work (haven't verified it but I am quite sure).
>
> There is not WindowsIdentity for a group, you simply need the SID - the
> above code is used by FileSecurity/DirectorySecurity under the covers.
>
> cheers,
> dominick
>
> -----------------------------
> Dominick Baier, DevelopMentor
> http://www.leastprivilege.com
>
>
> -----Original Message-----
> From: Discussion relating to the specifics of the C# and Managed C++
> languages [mailto:[email protected]] On Behalf Of Mont
> Rothstein
> Sent: Mittwoch, 6. September 2006 02:12
> To: [email protected]
> Subject: [DOTNET-CX] Setting ACLs from non-domain computer
>
> I am using System.Security.AccessControl to set ACLs.
>
> I am also using LogonUser() to gain access to a share from a computer that
> is not on the domain (using LOGON32_LOGON_NEW_CREDENTIALS).
>
> What I can't figure out is if there is anyway to set ACLs on
> directories/files for groups from a non-domain computer.  If I try and
> simply pass in "domainname\groupname" to FileSystemAccessRule() I get an
> exception when I go to modify the access rule (this works fine from a
> computer on the domain).
>
> It seems it might work if I could get a WindowsIdentity for the group, but
> I
> don't know how to do this or even if it can be done (is there such a thing
> as a WindowsIdentity for a group?).
>
> Any help or pointers is appreciated.
>
> Thanks,
> -Mont
>
> ===================================
> This list is hosted by DevelopMentorR  http://www.develop.com
>
> View archives and manage your subscription(s) at
> http://discuss.develop.com
>
> ===================================
> This list is hosted by DevelopMentor(r)  http://www.develop.com
>
> View archives and manage your subscription(s) at
> http://discuss.develop.com
>

===================================
This list is hosted by DevelopMentor®  http://www.develop.com

View archives and manage your subscription(s) at http://discuss.develop.com