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List:       dovecot
Subject:    Re: [Dovecot] Plugin issue with update from 2.0.19 to 2.1.17
From:       Timo Sirainen <tss () iki ! fi>
Date:       2013-10-26 15:37:58
Message-ID: 2397BB98-08EF-4DF8-8C4E-7DA4E931DD69 () iki ! fi
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On 15.10.2013, at 23.33, Reinaldo Matukuma <ramatukuma@hotmail.com> wrote:

> Hello. Probably only Timo can help-me with this.
> 
> I have a self-made plugin based on the zlib plugin that i use to cryptograph the \
> messages at inbox. 
> As a side-effect of the cryptography, my plugin changes the size of the message, \
> but until 2.0.19 this works well with dovecot index and the W/S flags. 
> But now, i'm going to upgrade to 2.1.17 and now i have these messages on log at my \
> test ambiance: 
> Oct 15 20:19:25 test dovecot: imap(reinaldo@exemplo.com.br): Error: Cached message \
>                 size smaller than expected (367 < 529)
> Oct 15 20:19:25 test dovecot: imap(reinaldo@exemplo.com.br): Error: Maildir \
> filename has wrong S value, renamed the file from \
> /storage/test/messages/exemplo.com.br/reinaldo/Maildir/.Sent/cur/1381879158.M634385P5208.test,S=367,W=378:2,S \
> to /storage/test/messages/exemplo.com.br/reinaldo/Maildir/.Sent/cur/1381879158.M634385P5208.test,S=529:2,S
>                 
> Oct 15 20:19:25 test dovecot: imap(reinaldo@exemplo.com.br): Error: Corrupted index \
> cache file /storage/test/messages/exemplo.com.br/reinaldo/Maildir/.Sent/dovecot.index.cache: \
> Broken physical size for mail UID 6

Is it intended that when decrypting messages you’ll get exactly the original message \
back? Or are you also modifying the message? Assuming there is no modification, you \
could take a look at how http://dovecot.org/patches/2.2/mail-filter.tar.gz does that \
without problems. Message modifications should also be possible with that code with \
small modifications. I’m not sure if that code works for v2.1.


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