As RVP mentioned, this is a SMOP, but if you're looking for an out of the box utility, checkout djb's setuidgid (available in pkgsrc/sysutils/daemontools) https://cr.yp.to/daemontools/setuidgid.html
On Mon, 29 Jan 2024 at 04:10, RVP <r...@sdf.org> wrote: > On Sat, 27 Jan 2024, tlaro...@kergis.com wrote: > > > But does somebody know of an established program or library that allows > > to start a process as root and to automatically downgrade rights for > > tasks (I mean identified chunks of whatever code) that do not require > > privileges? > > > > You mean toggling between various EUIDs and the saved-SUID? That's > pretty standard stuff, but, I don't know if it's been encapsulated > in any kind of utility. > > -RVP > >
