Am Freitag, den 04.01.2008, 18:34 -0500 schrieb Eric Paris: > On Fri, 2008-01-04 at 14:26 -0800, Clarkson, Mike R (US SSA) wrote: > > Is there someplace I can go to find a description of the libselinux API? > > not sure, i just read the code :) the fedora libselinux-devel > package provides man pages for most (maybe all?) of the interfaces. > > > > > Is there a way to change the context of an existing process, without > > having to execute a new process? > > yes, the permission is dyntransition in the process class. it is > STRONGLY, let me say that again VERY STRONGLY, suggested that you don't > make use of this facility. Basically you lose all seperation between > those 2 domains. You don't have any assurance that the process before > the transition didn't get hacked/corrupted/bugged and is now > transitioning to a new domain but able to do the wrong things (or > sometimes even worse not transition to the new domain at all) Hi, I don't think that it is that bad. Basically I think if you can transition from dom_a to dom_b that still does not include transition back to dom_a. So you can e.g. secure a new thread which handles a client or something without using execve. > > I'm not sure what the rationale was to put it in originally but please > just find a way to do it on an execve boundary. > > -Eric > > -- > fedora-selinux-list mailing list > fedora-selinux-list@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/fedora-selinux-list -- fedora-selinux-list mailing list fedora-selinux-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-selinux-list
