On Tue, Mar 16, 2021 at 9:43 PM Mickaël Salaün <[email protected]> wrote: > A Landlock ruleset is mainly a red-black tree with Landlock rules as > nodes. This enables quick update and lookup to match a requested > access, e.g. to a file. A ruleset is usable through a dedicated file > descriptor (cf. following commit implementing syscalls) which enables a > process to create and populate a ruleset with new rules. > > A domain is a ruleset tied to a set of processes. This group of rules > defines the security policy enforced on these processes and their future > children. A domain can transition to a new domain which is the > intersection of all its constraints and those of a ruleset provided by > the current process. This modification only impact the current process. > This means that a process can only gain more constraints (i.e. lose > accesses) over time. > > Cc: James Morris <[email protected]> > Cc: Jann Horn <[email protected]> > Cc: Kees Cook <[email protected]> > Signed-off-by: Mickaël Salaün <[email protected]> > Acked-by: Serge Hallyn <[email protected]> > Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Jann Horn <[email protected]>
