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Re: [PATCH] Re: Insecure tempfile creation

On Thu, Jan 8, 2015 at 3:24 PM, Peter Stephenson
<p.stephenson@xxxxxxxxxxx> wrote:
> On Thu, 8 Jan 2015 00:08:21 -0800
> Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:
>> Fortunately, we have the zsh/files module which provides a buitin "ln"
>> with well-defined semantics.  Hopefully that's good enough.
> It's a little bit tangential, but it's always bothered me that the only
> option we have for module builtins of this kind is to import the into
> the command namespace under the standard name, trashing the use of the
> system-standard utility your code may elsewhere depend on That is, you
> can use "command ln" if you need to, but the point is in the majority of
> existing code you would never have bothered to do that.
> We made special arrangements for (z)stat but that really doesn't scale
> well.
> Apart from (z)stat, most of the builtins that look like standard utilies
> are only there for special cases, e.g. for some reason you can't get to
> the file system where they live, in which case there's no real problem.
> But for uses like this there potentially is.

Actually all the builtins foo in zsh/files are also available as zf_foo.

Mikael Magnusson

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