Messages in this thread | | | Subject | Re: PUBLIC CHALLENGE: (was RE: devfs again, (was RE: USB device alloc ation) ) | Date | Fri, 08 Oct 1999 13:57:55 -0400 | From | Horst von Brand <> |
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Riley Williams <rhw@memalpha.cx> said: > Hi Horst. > >> The use of a config file to determine permissions/ownership is > >> not foreign to the kernel or filesystems.
> > Name one use of configuration files for local > > permissions/ownership on Unix/Linux.
> 1. Start with /etc/passwd which determines ownership of the actual > user accounts not just on Linux but on every UNIX compatible > operating system I've seen. Add /etc/group and /etc/shadow (if > applicable) to that.
That maps names (that you use to log in) to real Unix identity. No permissions here.
> 2. Have a look at /etc/securetty which determines the ownership of > terminals that the superuser can log into.
Nope, it lists terminals on which the superuser is allowed to log in. No permissions given. Taken away, yes. In a way.
> 3. Have a look at /etc/hosts.{allow,deny,equiv} which determine > which hosts have permission to access your system.
Non-local accesses here. -- Dr. Horst H. von Brand mailto:vonbrand@inf.utfsm.cl Departamento de Informatica Fono: +56 32 654431 Universidad Tecnica Federico Santa Maria +56 32 654239 Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513
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