Re: [apps-discuss] draft-kucherawy-rfc5451bis

Alessandro Vesely <vesely@tana.it> Sat, 16 March 2013 08:59 UTC

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Date: Sat, 16 Mar 2013 09:59:47 +0100
From: Alessandro Vesely <vesely@tana.it>
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Subject: Re: [apps-discuss] draft-kucherawy-rfc5451bis
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On Sat 16/Mar/2013 09:52:12 +0100 Alessandro Vesely wrote:
> On Fri 15/Mar/2013 12:34:03 +0100 Dave Cridland wrote:
>> 
>> Authentication-Results: foo.example.net (My mailserver) / (I am
>> number) 1 (You see) ; dkim (Because I like it) /2 (Two yay) = (wait
>> for it) pass ; policy (And a dot can go here) . (Like that) fruit
>> (which surprised me) = (because I was not expecting it) banana
> 
> My understanding is that the above is not valid.  Nuking three chars,
> the first "/" and the "1" from autherv-id, which should be dot-atom,

Oops, I overlooked that "[ CFWS version ]" in authres-header.  Thus
you helped me catch a bug.  Thanks!

> and then the ";" between "pass" and "policy", which shouldn't be
> there, I can parse it with my new Perl function, and get:
> 
> $VAR1 = {
>           'dkim' => [
>                       {
>                         'policy_fruit' => 'banana',
>                         'result' => 'pass'
>                       }
>                     ]
>         };
> 
> (I s/./_/ for ease of use.)
> 
> I agree the grammar is laid down too lazily.  For example, dot-atom
> allows equal signs to be part of property, e.g. "fru=it", which would
> be unparsable.
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