[Dovecot] zlib maildir reindex broken

[Timo Sirainen]

On 24.4.2014, at 0.51, Richard Platel <rplatel at tucows.com> wrote:

> I posted to the list about this a while ago but never got a response, I have a bit more information now.
> 
> Dovecot 2.2.12 and other 2.2 versions are broken when using zlib and maildir.  If messages are re-indexed, the INTERNALDATE of all messages is set to the time the re-index is done.
> 
> The problem seems to be in src/plugins/zlib/zlib-plugin.c in the function zlib_mail_cache_open.
> 
> During a reindex maildir_mail_get_received_date() does an i_stream_stat on the the i_stream_seekable stream created in zlib_mail_cache_open, but this istream does not know about the original maildir message file and always returns the current time for the file's stat times.
> 
> This is also broken on initial index, but if mail is indexed when it's received (ours isn't) it coincidentally gets the right time.

Thanks, fixed: http://hg.dovecot.org/dovecot-2.2/rev/9f1460682295