From: Laurent Bercot <ska-dietlibc@skarnet.org>
To: musl@lists.openwall.com
Subject: Re: musl 1.0.x branch
Date: Tue, 10 Jun 2014 20:19:40 +0100 [thread overview]
Message-ID: <53975A4C.5030504@skarnet.org> (raw)
In-Reply-To: <20140610173739.GM179@brightrain.aerifal.cx>
On 10/06/2014 18:37, Rich Felker wrote:
> Sending the terminal fd over a socket with SCM_RIGHTS isn't
> sufficient? If the privileged process has root, it should be able to
> add itself to the process group of the client so that job control,
> terminal signals, etc. work right.
I may have missed something, but AFAICT, no, it cannot do that.
From http://pubs.opengroup.org/onlinepubs/9699919799/functions/setpgid.html :
setpgid() only allows the calling process to join a process group
already in use inside its session or create a new process group
whose process group ID was equal to its process ID.
And I see nothing, not even setpgrp(), that could set the pgid to
an arbitrary value.
--
Laurent
next prev parent reply other threads:[~2014-06-10 19:19 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-06 17:56 Rich Felker
2014-06-06 19:39 ` u-igbb
2014-06-07 6:23 ` Kevin Bortis
2014-06-07 13:16 ` Anthony G. Basile
2014-06-07 18:26 ` Gustavo Zacarias
2014-06-09 9:23 ` Natanael Copa
2014-06-09 20:08 ` Rich Felker
2014-06-10 9:43 ` u-igbb
2014-06-10 16:03 ` Rich Felker
2014-06-10 16:50 ` Laurent Bercot
2014-06-10 17:37 ` Rich Felker
2014-06-10 19:19 ` Laurent Bercot [this message]
2014-06-10 21:01 ` Rich Felker
2014-06-11 1:27 ` Laurent Bercot
2014-06-10 20:32 ` u-igbb
2014-06-10 21:51 ` Rich Felker
2014-06-11 10:24 ` u-igbb
2014-06-11 13:09 ` Rich Felker
2014-06-11 14:37 ` u-igbb
2014-06-10 21:25 ` Natanael Copa
2014-06-10 21:13 ` musl 1.0.x branch -- OT u-igbb
2014-06-10 21:55 ` musl 1.0.x branch Rich Felker
2014-06-11 10:41 ` Oliver Schneider
2014-06-11 13:16 ` Rich Felker
2014-06-12 18:46 ` Oliver Schneider
2014-06-13 1:23 ` Rich Felker
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