On Sun, 17 May 2020, at 09:09, Aleksa Sarai wrote: > On 2020-05-15, Nikolaus Rath <Nikolaus@xxxxxxxx> wrote: > > Given a (FUSE) mountpoint (potentially mounted without -o allow_root), > > is there a way for root to determine its "owner" (i.e. the user who has > > started the FUSE process and invoked fusermount) that does not depend on > > cooperation of the user/filesystem? > > The mount options of a FUSE mount contain the entries "user_id=N" and > "group_id=M" which correspond to the "mount owner" and those entries are > filled by fusermount. Is that not sufficient? I think it is sufficient, I just never noticed it. Thanks! Best, -Nikolaus -- GPG Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F »Time flies like an arrow, fruit flies like a Banana.«
