Re: suid binaries should not be writable by owner
> > Argh, egg on face: linux lets the owner of a file modify it even if it
> > is mode 444 and in a directory they do not own. Yuck! Is this standard
> > unix semantics? It sucks.
> Even worse: IIRC the owner of a file can chmod it to his or her
> heart's content, and this is standard Unix semantics. It could be
> mode 000 for all Linux cares.
A better design would have been having the file to have a second UID/GID.
So, a file could be owned by root, but setuid man.
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