netdev - Re: [PATCH iproute2 1/2] netns: switch netns in the child when executing commands

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAGnkfhyJeN853gmNX+Op88b4OTkuQdQt==FttFdb4WVPNmQ7zA@mail.gmail.com>
Date:   Tue, 11 Jun 2019 00:52:13 +0200
From:   Matteo Croce <mcroce@...hat.com>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev <netdev@...r.kernel.org>, David Ahern <dsahern@...nel.org>
Subject: Re: [PATCH iproute2 1/2] netns: switch netns in the child when
 executing commands

On Tue, Jun 11, 2019 at 12:46 AM Stephen Hemminger
<stephen@...workplumber.org> wrote:
>
> On Tue, 11 Jun 2019 00:16:12 +0200
> Matteo Croce <mcroce@...hat.com> wrote:
>
> > +     printf("\nnetns: %s\n", nsname);
> > +     cmd_exec(argv[0], argv, true, nsname);
> >       return 0;
>
> simple printf breaks JSON output.

It was just moved from on_netns_label(). I will check how the json
output works when running doall and provide a similar behaviour.

Anyway, I noticed that the VRF env should be reset but only in the
child. I'm adding a function pointer to cmd_exec which will
point to an hook which changes the netns when doing 'ip netns exec'
and reset the VRF on vrf exec.

Regards,
-- 
Matteo Croce
per aspera ad upstream