On Tue, 22 Nov 2022, at 20:48, Peter Naulls wrote: > This is really an OpenWrt question, but I wanted to understand the specifics > with MM. We're undergoing a security review, and it's been pointed out that > d-bus runs as non-root. I've created a new "dbus" user and group like ubus > has and have d-bus run under it as per its config file. > > Everything seems OK with MM, and indeed I think this is the only user of > it under my OpenWrt setup, hence the question here. > > Is this likely to break anything?
ModemManager interacts with hardware drivers themselves, it needs some rather elevated capabilities. A non-root user won't work immediately; you'd need to make sure that the user can access all the lower layer in the hardware stack. I wouldn't bet that this is currently possible. -- Hugo
