[cap-talk] More Heresey: ACLs not inherently bad

Jonathan S. Shapiro shap at eros-os.com
Wed Sep 17 04:07:47 CDT 2008


On Tue, 2008-09-16 at 15:27 -0700, Jed Donnelley wrote:
> Unfortunately, it reads to me as if what Jonathan is requiring is a 
> Unix compatible interface....

Yes

> It's interesting to me that this is about the same position we found 
> ourselves in at LLNL circa 1988.  We were able to argue from a 
> somewhat stronger position because we had already emulated our 
> previous operating system...

Yes and no. Two issues:

1. Jonathan is prepared to accept a hybrid system for the sake of
compatibility, and then go on to avoid building any of the system layer
security on the ACL mechanism.

2. I still haven't heard a credible answer to the sharing problem that
doesn't reconstruct ACLs.


shap



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