On Tue, Mar 05, 2013 at 11:31:44AM -0400, Breno Silva wrote:
> Hello,
> 
> I'm parsing XML data using simple API :
> 
> xmlCreatePushParserCtxt(NULL, NULL, buf, size, "file.xml");
> xmlParseChunk(ctx, buf, size, 0);
> 
> I would like to get some direction of how can i disable external entities
> to be processed like:
> 
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE bar [
> <!ENTITY % external SYSTEM "http://externalhost/ext.xml";>
> %external;
> %a;
> %b;
> ]>
> 
> Thanks
> 
> Breno

  That should be the default but it seems libxml2 still does it
without asking to load entities or DTD when referencing a parameter
entity in the internal subset, annoying.
  I suggest you add the XML_PARSE_NONET option when creating the parser
as a first measure. It will still check in the /etc/xml/catalog to find
if there is a local resource in the catalog for the referenced URI but
it will not open an outside connection.

Daniel

-- 
Daniel Veillard      | Open Source and Standards, Red Hat
[email protected]  | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
http://veillard.com/ | virtualization library  http://libvirt.org/
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