On Tue, 2006-07-25 at 14:43 +0300, Markku Kolkka wrote: > Ben Stringer kirjoitti viestissään (lähetysaika tiistai, 25. > heinäkuuta 2006 12:44): > > I observed this today on an RHEL4 system, and it applies to > > Fedora also. I don't understand why this occurs - is it a > > security feature? > > It behaves as defined in the Single Unix Specification: > http://www.opengroup.org/onlinepubs/009695399/utilities/chgrp.html > "Unless chgrp is invoked by a process with appropriate > privileges, the set-user-ID and set-group-ID bits of a regular > file shall be cleared upon successful completion; the > set-user-ID and set-group-ID bits of other file types may be > cleared." Thanks for the references Markku. In the example I gave, I created the file as root, then performed the chgrp as root. root was a member of both of the groups I used in the example. In what way was this example not "a process with appropriate privileges"? Cheers, Ben
