SMBFS mount's file cannot be made executable

[Takashi Yano]

On Mon, 11 Nov 2024 12:59:41 +0100
Corinna Vinschen wrote:
> On Nov 11 20:19, Takashi Yano via Cygwin wrote:
> > On Mon, 11 Nov 2024 11:56:13 +0100
> > Corinna Vinschen wrote:
> > 
> > > On Nov 11 19:31, Takashi Yano via Cygwin wrote:
> > > > On Fri, 8 Nov 2024 14:11:40 +0100
> > > > Corinna Vinschen wrote:
> > > > > If the server is a Samba share, check if `force unknown acl user = yes'
> > > > > and for the share itself, check that
> > > > > 
> > > > >   read only = No
> > > > >   vfs objects = acl_xattr
> > > >     ^^^^^^^^^^^^^^^^^^^^^^^
> > > > Thanks! This makes things better.
> > > > At least x permissions are set to executable compiled by gcc.
> > > > 
> > > > However, something is still wrong in my environment....
> > > > Others permission seems to be reffered in some cases.
> > > 
> > > I don't understand.  Please run icacls for a just created file on your
> > > Samba share (without the below patch) as well as Windows' `whoami /all'.
> > 
> > $ touch samba_test_file.txt
> > $ icacls samba_test_file.txt
> > samba_test_file.txt S-1-5-21-479325430-3041864944-504445739-1000:(R,W,D,WDAC,WO)
> >                     S-1-5-21-479325430-3041864944-504445739-513:(R)
> >                     Everyone:(R)
> > 
> > This seems reasonable to me.
> > 
> > For Windows 11 share, the result is
> > samba_test_file.txt NULL SID:(DENY)(Rc,S,WEA,X,DC)
> >                     S-1-5-21-2089672436-4097686843-2104605006-1001:(R,W,D,WDAC,WO)
> 
>   On Samba S-1-5-21-479325430-3041864944-504445739-1000
>   On Windows S-1-5-21-2089672436-4097686843-2104605006-1001
> 
> Isn't the user mapping off?

In my samba environment, 'username map' option is not specified.
The SID in different machine is not the same, I think, is it?

>   On Windows S-1-5-21-2089672436-4097686843-2104605006-1001

This is not same with the my SID on file share client machine.
S-1-5-21-1515853178-1880514851-1804962447-1001

>   On Windows S-1-5-21-2089672436-4097686843-2104605006-1001
This is my SID on file server (Windows 11 machine).

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>