Altnamespace and cyrus-imapd 2.1.16

[Ken Murchison]

Carsten Hoeger wrote:

> Hi,
> 
> when switching to altnamespace using cyrus-imapd 2.1.16, shared folders will
> be listed twice.
> 
> before:
> 
> . lsub * *
> * LSUB (\HasChildren) "/" "INBOX"
> * LSUB () "/" "INBOX/drafts"
> * LSUB () "/" "INBOX/sent-mail"
> * LSUB () "/" "INBOX/spam"
> * LSUB () "/" "INBOX/trash"
> * LSUB () "/" "users"
> . OK Completed (0.000 secs 7 calls)
> 
> 
> after:
> 
> . lsub * *
> * LSUB (\Noinferiors) "/" "INBOX"
> * LSUB () "/" "drafts"
> * LSUB () "/" "sent-mail"
> * LSUB () "/" "spam"
> * LSUB () "/" "trash"
> * LSUB () "/" "Shared Folders/users"
> * LSUB () "/" "Shared Folders/users"
> 
> another issue I found is that LSUB does not show \HasChildren when querying
> the "Shared Folders" namespace:
> 
> A51 LSUB "" "Shared Folders"
> A51 OK Completed (0.000 secs 1 calls)
> 
> whereas it does so when using the "Other Users" namespace:
> 
> A38 LSUB "" "Other Users"
> * LSUB (\Noselect \HasChildren) "/" "Other Users"
> A38 OK Completed (0.000 secs 2 calls)
> 
> that seems to break some imap clients.
> 
> I am not very familar with the corresponding RFCs, so I want to ask, if that
> is an expected behaviour, or not.

I think I have backported all of the relevent fixes from 2.2.3.  If you 
want to try them, you'll want to grab the cyrus-2_1_tail branch from CVS.

-- 
Kenneth Murchison     Oceana Matrix Ltd.
Software Engineer     21 Princeton Place
716-662-8973 x26      Orchard Park, NY 14127
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