[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: My report on experiments with unused namespaces
"Costello, Roger L." <costello@mitre.org> wrote on 09/22/2010 04:58:34 AM: > ... unused namespaces can contain > large amounts of information which is unchecked by XML applications > ... > This is a significant concern for me and others. Really? A *significant* concern? I am skeptical. As others have pointed out, there are many ways to have covert channels in an XML document. > Goal: identify and eliminate unused namespaces. I don't believe you can do this unless you have a schema (XSD, or maybe Relax) that completely describes the content. Without that you have no way of knowing where QName's can appear in content. And even then, you have to be able to parse all content -- how many QName's in this element: "<analogy>a:b :: c:d</analogy>" /r$ -- STSM, WebSphere Appliance Architect https://www.ibm.com/developerworks/mydeveloperworks/blogs/soma/
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