Re: [ANNOUNCEMENT] Updated: Cygwin 1.7.35-1

[Achim Gratz <Stromeko at NexGo dot DE>]

Corinna Vinschen <corinna-cygwin <at> cygwin.com> writes:
> - Change handling of group permissions if owner SID == group SID.  Now the
>   group permissions don't mirror the user permissions anymore, thus leading
>   to less hassle with security-conscious applications.

There's another tricky situation that is not yet handled:

If the file is owned by myself and I'm in a group that allows full access
(but not ACL modifications), Cygwin will show that file as having mode
"---rwx---+".  Applications that follow POSIX semantics will interpret that
file as unreadable by the owner (==current user) and skip checking the group
permissions, while NTFS will still happily grant that access.  So in that
situation the group permissions need to be promoted to the owner permissions.


Regards,
Achim.fare


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