Hi! > > A key concept behind posix capabilities is that the privilege comes from > > both the person and the file being executed. As you say below basically > > anything can be executed by the program so that is completely violated. > > Well this patch does not change that. Its just that the file being > executed can inherit the parent caps without having to set caps in the new > executable. > > > Still, it's not that different from mmapping some arbitrary code and > > jumping into it whlie retaining caps. > > Owww. Thats a pretty far jump from what this patch does. > > > Not saying this is a good idea necessarily, but worth thinking about. > > Well we keep on having actual problems with caps for long years now. We > need a solution. This means a patch that solves the issue.
One solution is to put capabilities into the elf executable. I believe there was patch for that. That means you don't need to add capability support into filesystems... Old documentation is at http://atrey.karlin.mff.cuni.cz/~pavel/elfcap.html Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
