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[Rich Salz <rsalz@datapower.com>] Re: [xml-dev] XPointer and XML Schema

From: Henry S. Thompson <ht@cogsci.ed.ac.uk>
Date: 17 Jul 2002 14:15:39 +0100
To: www-xml-linking-comments@w3.org
Message-ID: <f5bfzyia41w.fsf@cogsci.ed.ac.uk>

attached mail follows:

> >    3. Make the schemalocation hint manditory to provide, and manditory to
> > dereference for Schema-Loading, WRT XPointer.
> This option really scares me!

Me too, but for security reasons.  Mandatory to deref means that I as the 
client can force a server to go open a file of my choosing. That's scary. 
Suppose I send the server schemaLocation="file:///etc/passwd" -- I could 
probably guess some account names from the helpful fault information that 
comes back.

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  Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
          W3C Fellow 1999--2002, part-time member of W3C Team
     2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
	    Fax: (44) 131 650-4587, e-mail: ht@cogsci.ed.ac.uk
		     URL: http://www.ltg.ed.ac.uk/~ht/
 [mail really from me _always_ has this .sig -- mail without it is forged spam]
Received on Wednesday, 17 July 2002 09:17:13 UTC

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