From: David Malcolm <dmalcolm@redhat.com>
To: "Nicolas Bértolo" <nicolasbertolo@gmail.com>
Cc: jit@gcc.gnu.org, gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] Port libgccjit to Windows.
Date: Thu, 28 May 2020 16:46:36 -0400 [thread overview]
Message-ID: <5edb0f517d11a551f622ebb787fc06cd6c06225b.camel@redhat.com> (raw)
In-Reply-To: <CAFnS-Ok7vPMuofc2V3oajRFD2N6nWPDZG2se6pMuxFmCg_RbVA@mail.gmail.com>
On Thu, 2020-05-28 at 16:51 -0300, Nicolas Bértolo wrote:
> > I'm going to have to trust your Windows expertise here; the tempdir
> > code looks convoluted to me, but perhaps that's the only way to do
> it.
> > (Microsoft's docs for "SECURITY_ATTRIBUTES" suggest to me that if
> > lpSecurityDescriptor is NULL, then the directory gets a default
> > security descriptor, and that this may mean it's only readable by
> the
> > user represented by the access token of the process [1], which
> might
> > suggest a simplification - but I'm very hazy on how the security
> model
> > in Windows works)
>
> I tested this and it gives write access to the "Authenticated Users"
> group.
Aha - sounds like that would be a problem. Thanks for clarifying.
> The
> way I did it gives access only to the user that owns the libgccjit
> process. I
> have to admit that it is a lot of code and it is hard to understand
> unless you
> know the security model of Windows well. I don't know it well, I
> wrote this
> keeping the documentation close and experimenting.
Thanks.
> > I was able to successfully bootstrap and regression test with your
> > patch on x86_64-pc-linux-gnu. I also verified that the result of
> "make
> > install" was not affected for my configuration.
>
> Great.
>
> > I've pushed your patch to master as
> > c83027f32d9cca84959c7d6a1e519a0129731501.
> >
> > Thanks again for the patch
> > Dave
>
> Thanks to you for all the good feedback.
>
> Nico.
next prev parent reply other threads:[~2020-05-28 20:46 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-24 20:02 Nicolas Bértolo
2020-05-24 20:48 ` David Malcolm
2020-05-25 19:48 ` Nicolas Bértolo
2020-05-26 18:40 ` David Malcolm
2020-05-28 1:27 ` Nicolas Bértolo
2020-05-28 19:00 ` David Malcolm
2020-05-28 19:51 ` Nicolas Bértolo
2020-05-28 20:46 ` David Malcolm [this message]
2020-06-02 16:26 ` JonY
2020-06-07 16:03 ` Nicolas Bértolo
2020-06-08 2:11 ` JonY
2020-06-11 22:02 ` Nicolas Bértolo
2020-06-12 0:19 ` JonY
2020-06-16 0:12 ` JonY
2020-06-16 0:15 ` Nicolas Bértolo
2020-05-29 14:48 ` NightStrike
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