[xml] [Fwd: Re: [xmlsec] Signing a document with key and cert..]

[Marius Kjeldahl <marius kjeldahl net>]

I'm forwarding a question that I posted on the xmlsec list related to how to 
build a DTD dynamically (without reading it from a file) using libxml, and would 
appreciate any pointers.

Thanks,

Marius Kjeldahl

Marius Kjeldahl wrote:

> Aleksey Sanin wrote:
>
>>>
>>> My next challenge is to do this dynamically (so if anybody have
>>> experience on how to do that using libxml, feel free to spill the
>>> beans).
>>
>>
>>
>> Check xmlCreateIntSubset() from th libxml/tree.h file.
>
>
> By using xmlCreateIntSubset, the following gets put into my document:
>
> <?xml version="1.0"?>
> <!DOCTYPE ThreeDSecure PUBLIC "" "">
> <ThreeDSecure>
> ...
>
> which seems ok. Now I need to add the the definitions, like:
>
> <!ATTLIST CRReq id ID #IMPLIED>
>
> so that the complete result becomes something like:
>
> <?xml version="1.0"?>
> <!DOCTYPE ThreeDSecure [
> <!ATTLIST CRReq id ID #IMPLIED>
> ]>
> <ThreeDSecure>
> ...
>
> which validates ok.
>
> I've googled around both the web and newsgroups, but have not found
> the correct way to add the "attlist" nodes to the dtd. I've tried
> xmlAddDocEntity with XML_INTERNAL_PARAMETER_ENTITY, but I can not seem
> to get it work. In addition, I found something in valid.h which looks
> promising - xmlAddAttributeDecl - but this one requires a
> xmlValidCtxtPtr which I guess is necessary at the validation phase
> (which I can not do, since I do not have a complete document yet).
>
> Any experts who want to give me a hint of what functions I need to
> call to add ATTLIST (and similar) entries in libxml?
>


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--
Mvh, Marius Kjeldahl