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From Emmanuel Lécharny <elecha...@apache.org>
Subject Re: Values normalization and special characters
Date Tue, 07 Jun 2011 07:17:40 GMT
On 6/7/11 8:56 AM, Stefan Seelmann wrote:
> On Tue, Jun 7, 2011 at 8:49 AM, Emmanuel Lécharny<elecharny@apache.org>  wrote:
>> On 6/7/11 8:26 AM, Stefan Seelmann wrote:
>>> On Tue, Jun 7, 2011 at 8:09 AM, Emmanuel Lecharny<elecharny@gmail.com>
>>>   wrote:
>>>> Hi guys,
>>>>
>>>> I'm a bit deeper into the DN/RDN problem. Now, the issue I have is that I
>>>> don't know how we should handle shuch case :
>>>> - an AT like "cn: \ user" having an escaped space at the beginning.
>>>> - an entry which DN is "cn=\ user,ou=system"
>>>>
>>>> The check is done internally comparing the RDN ("cn=\ user") and the
>>>> Attribute value. Sadly, when we parse the DN, we remove the '\' (as it's
>>>> not
>>>> significant), keeping the leading space. But then, we normalize the RDN
>>>> applying the CN normalizer to it, which removes the leading space.
>>> Here we should not compare the RDN and the attribute value. Instead
>>> the RDN's AVA value need to be used for comparison. The RDN AVA value
>>> should not contain the '\'.
>> It does not contain the '\', but the space is also stripped. So "cn: \ User"
>> is internally transformed into an AVA containing "user" as a value (the \
>> and the space are removed after the value normalization...
> Yes, that sounds ok. But the space should also be removed from the
> attribute value during normalization, so the normalized attribute
> value should also be "user".
>
> Is the space removed from both, the normalized value and user provided
> value? It should only be removed from the normalized value.
The Up value remains the same.

What bugs me is that there is no reason to escape a space if it will be 
removed by the normalization...

-- 
Regards,
Cordialement,
Emmanuel Lécharny
www.iktek.com


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