[Fedora-directory-users] Case Sensitive Lookup and Searching

[Rich Megginson]

Michael Ströder wrote:
> Rich Megginson wrote:
>> Michael Ströder wrote:
>>> Rich Megginson wrote:
>>>> Michael Ströder wrote:
>>>>> Rich Megginson wrote:
>>>>>> Michael Ströder wrote:
>>>>>>> I really wonder whether default matching rules are applied for 
>>>>>>> certain LDAP syntaxes and how to find out which these are.
>>>>>>>
>>>>>> If there is no matching rule, it just goes by the most 
>>>>>> appropriate internal matching rule that corresponds to the SYNTAX.
>>>>>
>>>>> Any description how the "most appropriate internal matching rule" 
>>>>> is chosen?
>>>> No, not really, afaik.  I suppose it attempts to use "common sense" 
>>>> e.g. if the syntax is for case sensitive string, it uses a matching 
>>>> rule for case sensitive string comparison, and uses indexers for 
>>>> case sensitive strings.
>>>
>>> And how to determine whether a syntax is used for case sensitive 
>>> strings? That's exactly the problem of the original poster I guess.
> >
>> I think IA5String is case sensitive, and Directory String is case 
>> insensitive.
>
> I don't think so (see section 4.2. of RFC 4517).
Ok.  But the the way Fedora DS works is that it treats IA5String as case 
sensitive, and Directory String as case insensitive - see 
ldap/servers/plugins/syntaxes/ces.c and cis.c
>
> Ciao, Michael.
>
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