Casey Schaufler <[email protected]> writes:
> On Fedora zcat, gzip and gunzip are all links to the same file.
> I can imagine (although it is a bit of a stretch) allowing a set
> of users access to gunzip but not gzip (or the other way around).
> There are probably more sophisticated programs that have different
> behavior based on the name they're invoked by that would provide
> a more compelling arguement, assuming of course that you buy into
> the behavior-based-on-name scheme. What I think I'm suggesting is
> that AppArmor might be useful in addressing the fact that a file
> with multiple hard links is necessarily constrained to have the
> same access control on each of those names. That assumes one
> believes that such behavior is flawwed, and I'm not going to try
> to argue that. The question was about an example, and there is one.
This doesn't work. The behavior depends on argv[0], which is not
necessarily the same as the name of the file.
--
Jeremy Maitin-Shepard
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