On Tue, Aug 03, 2010 at 07:12:25PM +0200, Jan Schneider wrote: > Hi, > > I'm not sure if this isn't rather a question for the IMAPEXT mailing > list, but I'm starting here because I only noticed it on Cyrus so far. > > I wondering what the correct behavior of servers and clients should be > regarding the mapping of d and c ACL rights to RFC 4314 rights. > Cyrus as of version 2.3.11 only returns d and c rights in GETACL > responses if these have been set with a pre-4314 version of Cyrus. It > does not expand these rights to the corresponding kxte rights. It just returns whatever's stored in the mailboxes.db. I can't think of any good reason not to auto-upgrade the ACL whenever you parse it and hit the old characters. > This > behavior probably isn't wrong, It probably isn't right either. We should return a consistent set of characters - either one or the other. > at least I can't find anything in the > RFC about how to do it correctly. And that's exactly the problem when > developing a client. If I display the current rights to the user, I > display the kxte matrix because Cyrus implements 4314, but it doesn't > return kxte rights in GETACL responses, only the legacy dc rights. I > can't map those to kxte in the client either because I don't if the > server maps c to kx or k, etc. Well, I might know because it's Cyrus, > but I don't know from the IMAP conversation. You make a compelling case! > I would have expected that the IMAP server automatically expands the > (old) cd rights to kxte in GETACL responses because it's doing the > same internally when enforcing the rights, I guess. With the current > situation, the user doesn't know anything about create/delete rights > when using the client, because the kxte rights are never set because > of this behavior. > > Is this a bug, an ambiguity of RFC 4314 or should I deal with this > differently in the client? "yes" ;) I think we should fix Cyrus. Better than clients working around our weirdness. Bron. ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
