[whatwg] Device Element
bzbarsky at MIT.EDU
Mon Jan 3 10:47:56 PST 2011
On 1/3/11 7:47 AM, Diego Perini wrote:
> I am switching that bit on/off when I need it (and the RS232/USB
> device is connected), I am not asking others to do it.
So while it's off, the user is vulnerable. Is the software doing this a
> Mostly I am looking for other browser to implement this serial access
> like Firefox does
Firefox doesn't implement "serial access". It just reads files. What's
exposed as "files" on a Unix system can be ... extensive (witness /proc
on Linux, say). It's up to the kernel.
> This also means limit what other plug-ins can currently do on user machines
Plug-ins are running native code. They can't be limited unless you
sandbox the process they're in completely (which typically breaks
plug-ins; talk to Google about the pains they had to go to to sandbox
Flash, even _with_ Adobe's cooperation).
> For example can Flash overcome this restriction and access the
> devices through the "file:" protocol ?
Of course, if the kernel exposes them as files.
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