Messages in this thread | | | Date | Mon, 20 Sep 1999 18:29:59 -0500 (CDT) | From | Oliver Xymoron <> | Subject | Re: Ext3 filesystem info? |
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On Mon, 20 Sep 1999, Theodore Y. Ts'o wrote:
> The problem is that different, already established filesystems: AFS, > Coda, NTFS, etc., all have different ACL semantics. For example, AFS > only has an ACL on a per-directory basis. I'm not sure about Coda, but > it may be the same as AFS. NTFS uses 128 bit UUID's in its ACL's to > name users and groups. The POSIX acl interface uses uid_t and gid_t for > user and group id's. > > So it would be *nice* to do this, but there's quite a lot of design work > to make the interfaces similar enough that a single interface could be > used at both the UI and system call level. I won't say that it's > impossible, but it's definitely non-trivial.
Not to mention that auditing a system using ACLs for security is much* more difficult. And that such a system would break all mature UNIX tools' notions of what is secure. ACLs tend to be an answer for people who are asking the wrong question anyway.
-- "Love the dolphins," she advised him. "Write by W.A.S.T.E.."
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