From kmail-devel  Tue Feb 28 23:32:46 2006
From: Aaron Stone <aaron () serendipity ! cx>
Date: Tue, 28 Feb 2006 23:32:46 +0000
To: kmail-devel
Subject: [Bug 122870] New: Bug in parsing of ManageSieve protocol for Sieve
Message-Id: <20060301003245.122870.aaron () serendipity ! cx>
X-MARC-Message: https://marc.info/?l=kmail-devel&m=114119265031360

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http://bugs.kde.org/show_bug.cgi?id=122870         
           Summary: Bug in parsing of ManageSieve protocol for Sieve scripts
           Product: kmail
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: kmail-devel kde org
        ReportedBy: aaron serendipity cx


Version:            (using KDE KDE 3.5.1)
Installed from:    I Don't Know

I wrote the ManageSieve implementation for the DBMail mail system, and one of users of our latest development releases has not been able to use KMail to manage his Sieve scripts. The problem was traced down to this:

Oleg Lapshin wrote:

Solution is very simple :)
I wrote simple perl script, that emulate dbmail-timsieved and done some experiments

Now dbmail-timsieved do this:

C: GETSCRIPT "main"
S: {size+}
S: ...script....
S: OK

But, it must replay so:

C: GETSCRIPT "main"
S: {size}
S: ...script....
S: OK

without "+" (plus) in script size...

When I changed line 673 of timsieve.c from:
"{%u+}\r\n",
to
"{%u}\r\n",
kmail can get script to change it!!!

That's cool, but that + is stipulated by the draft RFC:
http://www.ietf.org/internet-drafts/draft-martin-managesieve-06.txt

See section 2.9, GETSCRIPT:

2.9.  GETSCRIPT Command

    Arguments:
         String - Script name

    This command gets the contents of the specified script.
    If the script does not exist the server MUST reply with
    a NO response. Upon success a string with the contents
    of the script is returned followed by a OK response.

    Example:

    C: Getscript "myscript"
    S: {48+}
    S: #this is my wonderful script
    S: reject "I reject all";
    S:
    S: OK

The encoding for a literal string is this:

    literal               = "{" number  "+}" CRLF *OCTET
        ;; The number represents the number of octets.
        ;; Sieve scripts MUST be sent as literal-utf8.
        ;; <<literal-utf8>> is defined in ACAP.

So uh, I think my server does the right thing and your client does the wrong thing :-P
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