RE: Wich privileges required by ssh-host-config running user?

["Manel Rodero" <manel at fib dot upc dot edu>]

And ... in the problematic server the "Administrators" group have this
privilege:

Take ownership of files or other objects
(SeTakeOwnershipPrivilege)
Allows a user to take ownership of any securable object in the system,
including Active Directory objects, NTFS files and folders, printers,
registry keys, services, processes, and threads.
Default setting: Administrators.

So, I don't know why the new files created by ssh-host-config can be changed
to be owned by SYSTEM...

Any idea?

> -----Original Message-----
> From: cygwin-owner@cygwin.com 
> [mailto:cygwin-owner@cygwin.com] On Behalf Of Manel Rodero
> Sent: Wednesday, January 18, 2006 4:06 PM
> To: cygwin@cygwin.com
> Subject: RE: Wich privileges required by ssh-host-config running user?
> 
> 
> > 
> > Because your are bound by the laws of ntfs access control 
> > entrys. Having rights to write to a file doesn't mean you are 
> > allowed to change its owner. You need permissions to change 
> > the directory the files are in.
> > And getting this right is easier in windows than in cygwin.
> > Use cacls to look at etc and the files.
> > 
> > 
> 
> Yes, I've look into /etc and /etc/ssh* files. /etc directory 
> is created by
> the setup process. The ssh* files are created by the 
> ssh-host-config script.
> 
> I know that the problem is with ACLs in the NTFS files but I 
> would like to
> know why this problem only occurs in these servers (casually 
> all of them are
> in a windows domain). Does the process of joining a domain 
> change something
> in the local Administration account?
> 
> In a working server:
> 
> C:\cygwin\etc>cacls .
> C:\cygwin\etc Everyone:(OI)(CI)F
> 
> ---> the script have changed the ACL to SYSTEM !!!
> 
> C:\cygwin\etc>cacls ssh_config
> C:\cygwin\etc\ssh_config NT AUTHORITY\SYSTEM:(special access:)
>                                              STANDARD_RIGHTS_ALL
>                                              DELETE
>                                              READ_CONTROL
>                                              WRITE_DAC
>                                              WRITE_OWNER
>                                              SYNCHRONIZE
>                                              STANDARD_RIGHTS_REQUIRED
>                                              FILE_GENERIC_READ
>                                              FILE_GENERIC_WRITE
>                                              FILE_GENERIC_EXECUTE
>                                              FILE_READ_DATA
>                                              FILE_WRITE_DATA
>                                              FILE_APPEND_DATA
>                                              FILE_READ_EA
>                                              FILE_WRITE_EA
>                                              FILE_EXECUTE
>                                              FILE_READ_ATTRIBUTES
>                                              FILE_WRITE_ATTRIBUTES
> 
>                          SERVEROK\None:R
>                          Everyone:R
> 
> In the problematic servers (the ACLs are the default ones because the
> ssh-host-config script can't change them):
> 
> C:\cygwin\etc>cacls .
> C:\cygwin\etc Everyone:(OI)(CI)F
> 
> ---> The Default ACLs of the files created by ssh-host-config 
> (Administrator
> doesn't have full control over the files; but Administrator 
> is the owner of
> the files)
> 
> C:\cygwin\etc>cacls sshd_config
> C:\cygwin\etc\sshd_config SERVERWRONG\Administrator:(special access:)
>                                               STANDARD_RIGHTS_ALL
>                                               DELETE
>                                               READ_CONTROL
>                                               WRITE_DAC
>                                               WRITE_OWNER
>                                               SYNCHRONIZE
>                                               STANDARD_RIGHTS_REQUI
>                                               FILE_GENERIC_READ
>                                               FILE_GENERIC_WRITE
>                                               FILE_READ_DATA
>                                               FILE_WRITE_DATA
>                                               FILE_APPEND_DATA
>                                               FILE_READ_EA
>                                               FILE_WRITE_EA
>                                               FILE_READ_ATTRIBUTES
>                                               FILE_WRITE_ATTRIBUTES
> 
>                           SERVERWRONG\None:(special access:)
>                                      READ_CONTROL
>                                      SYNCHRONIZE
>                                      FILE_GENERIC_READ
>                                      FILE_READ_DATA
>                                      FILE_READ_EA
>                                      FILE_READ_ATTRIBUTES
> 
>                           Everyone:(special access:)
>                                    READ_CONTROL
>                                    SYNCHRONIZE
>                                    FILE_GENERIC_READ
>                                    FILE_READ_DATA
>                                    FILE_READ_EA
>                                    FILE_READ_ATTRIBUTES
> 
> So, which RIGHTS need the Administrator account to be able to 
> change the
> owner of a file?
> 
> Thank you.
> 
> 
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