On Tue, Aug 30, 2022 at 03:24:56PM -0400, Robert Haas wrote:
> - william => charles => elizabeth => uk is OK because the first two
> hops have ADMIN and the last hop has INHERIT
Don't you mean the first two hops have INHERIT and the last has ADMIN?
> - william => charles => elizabeth => uk => parliament is probably not
> OK because although the first two hops have ADMIN and the last has
> INHERIT, the third hop probably lacks INHERIT
Same here. I don't mean to be pedantic, I just want to make sure I'm
thinking of this correctly.
> I hope this makes it clearer. select_best_grantor() can't completely
> disregard links without INHERIT, because if it does, it can't pay any
> attention to the last grant in the chain, which only needs to have
> ADMIN, not INHERIT. But it must pay some attention to them, because
> every earlier link in the chain does need to have INHERIT. By moving
> the if-test up, the patch makes it behave just that way, or at least,
> I think it does.
Yes, this is very helpful. I always appreciate your detailed examples. I
think what you are describing matches the mental model I was beginning to
form.
Okay, now to take a closer look at the patch...
--
Nathan Bossart
Amazon Web Services: https://aws.amazon.com
