[pacman-dev] [PATCH 2/2] [WIP] run XferCommand via exec

[Morten Linderud]

On Thu, Oct 17, 2019 at 05:01:46PM +0200, Morten Linderud wrote:
> On Sun, Jun 09, 2019 at 10:13:55AM -0700, Andrew Gregory wrote:
> > ---
> > 
> > systemvp should pretty much be a drop-in replacement for system with
> > the exception that it takes an argv array and uses exec.  If anybody
> > wants to play with it to stress test it a little, I have
> > a self-contained copy and test program at:
> > https://github.com/andrewgregory/snippets/blob/systemv/c/systemv.c
> > 
> > TODO:
> >     * update docs
> >     * fix debug logging
> >     * should the command be run with PATH lookup (execv vs execvp)?
> >     * Is the use of mmap with MAP_ANONYMOUS okay?  MAP_ANONYMOUS is
> >       not POSIX but "most systems also support MAP_ANONYMOUS (or its
> >       synonym MAP_ANON)" (mmap(2)).
> >     * should we reset signals prior to exec'ing like we do with
> >       hooks/scripts?
> 
> This issue was assigned CVE-2019-18182.
> 
> https://security.archlinux.org/CVE-2019-18182
> 
> I'm fixing the AVG whenever pacman 5.2 is released if Xfer isn't included.
> 

Uh. I might not have paid attention. Eli mentioned on -security Xfer might not
be included in the upcomming release, but then anthraxx pointed out it's in
master :o Whats the status?

-- 
Morten Linderud
PGP: 9C02FF419FECBE16
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