Re: MS-DFSR conflict with cygwin file permissions

[Stefan Walter <stefan dot walter at lisec-sw dot com>]

Larry Hall (Cygwin) schrieb:
> Stefan Walter wrote:
> > Larry Hall (Cygwin) schrieb:
> > > Stefan Walter wrote:
> > > > If you redirect output in cmd.exe to a file (echo "Hello world..." 
> > > >  >output.txt), then the file "output.txt" have the file permissions 
> > > > inherited from the parent folder.
> > > >
> > > > If you redirect output in bash.exe to a file, then the file 
> > > > permissions are restricted.
> > > >
> > > > I need this solved, because the current given permission conflict 
> > > > with the Microsoft DFSr.
> > > >
> > > > Is there a way to create files with permissions inherited from 
> > > > parent folder?
> > >
> > > Read the section about NT security in the User's Guide
> > > <http://cygwin.com/cygwin-ug-net/ntsec.html> and then try setting 
> > > 'nontsec'
> > > in your CYGWIN environment variable
> > > <http://cygwin.com/cygwin-ug-net/using-cygwinenv.html>.
> > That was a great hint.
> >
> > I tried it now with "CYGWIN=nontsec tty" and the permission are as i 
> > wanted it.
> >
> > One more question with that. In the guides for "sshd" they always 
> > recommend "CYGWIN=ntsec tty". Do you expect a problem if i run with 
> > nontsec?
>
> Beyond the loss of the POSIX permissions, no.  You should check your
> 'sshd_config' file and make sure 'StrictModes' is set to 'no' though.
> 'tty' is not required for 'sshd'
The loss of the POSIX permissions is fine for me. But what is then the 
purpose of tty in the CYGWIN variable?

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