>-----Original Message----- >From: Neil Bothwick <n...@digimed.co.uk> >Sent: Friday, March 11, 2022 6:59 AM >To: gentoo-user@lists.gentoo.org >Subject: Re: [gentoo-user] Re: Root can't write to files owned by others? > >On Fri, 11 Mar 2022 12:38:48 +0100, Dr Rainer Woitok wrote: > >> No. My "/tmp/" directory is not mounted at all, it is just a genuine >> directory in "/". And that root CAN overwrite a file it doesn't own in >> other directories, is due to most directories not having the sticky >> bit set (which is a (wanted) particularity of "/tmp/" and >> "/var/tmp/", in that it prevents normal users from (re)moving other people's >> files): > >It's not the sticky bit per se from what I've read, but the new default >prevents root from overwriting a file if the file and the directory containing >it have different owners. In most cases, the file has the same directory as >the owner so this does not happen, but the sticky bit allows users that don't >own the directory to create files in it. > I was just looking at the patch. In at least one of its modes I think it's specifically looking for the sticky bit on the directory. I didn't think to pay attention to what the new default setting ends up doing for which specific mode it goes with.
LMP
