From: Samir Bellabes <sam@synack.fr>
To: Michael Stone <michael@laptop.org>
Cc: "Alan Cox" <alan@lxorguk.ukuu.org.uk>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
linux-security-module@vger.kernel.org,
"Andi Kleen" <andi@firstfloor.org>, "David Lang" <david@lang.hm>,
"Oliver Hartkopp" <socketcan@hartkopp.net>,
"Herbert Xu" <herbert@gondor.apana.org.au>,
"Valdis Kletnieks" <Valdis.Kletnieks@vt.edu>,
"Bryan Donlan" <bdonlan@gmail.com>,
"Evgeniy Polyakov" <zbr@ioremap.net>,
"C. Scott Ananian" <cscott@cscott.net>,
"James Morris" <jmorris@namei.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
"Bernie Innocenti" <bernie@codewiz.org>,
"Mark Seaborn" <mrs@mythic-beasts.com>,
"Randy Dunlap" <randy.dunlap@oracle.com>,
"Américo Wang" <xiyou.wangcong@gmail.com>
Subject: Re: [PATCH 1/3] Security: Add prctl(PR_{GET,SET}_NETWORK) interface. (v3)
Date: Thu, 24 Dec 2009 05:38:30 +0100 [thread overview]
Message-ID: <m2pr653s1l.fsf@ssh.synack.fr> (raw)
In-Reply-To: <20091224014454.GA24161@heat> (Michael Stone's message of "Wed, 23 Dec 2009 20:44:54 -0500")
Michael Stone <michael@laptop.org> writes:
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index f2f842d..0c65c55 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -1402,6 +1402,8 @@ struct task_struct {
> unsigned int sessionid;
> #endif
> seccomp_t seccomp;
> +/* Flags for limiting networking via prctl(PR_SET_NETWORK). */
> + unsigned long network;
>
> /* Thread group tracking */
> u32 parent_exec_id;
I think this is unnecessary, as LSM module, you should use the
void* security member of the structure cred.
this member allows you to mark task_struct as you which, it's a kind of
abstraction provided to all security modules.
next prev parent reply other threads:[~2009-12-24 5:10 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-13 3:19 Network isolation with RLIMIT_NETWORK, cont'd Michael Stone
2009-12-13 3:26 ` [PATCH] Security: Implement RLIMIT_NETWORK Michael Stone
2009-12-13 3:30 ` [PATCH] Security: Document RLIMIT_NETWORK Michael Stone
2009-12-13 3:44 ` Network isolation with RLIMIT_NETWORK, cont'd Michael Stone
2009-12-13 5:09 ` setrlimit(RLIMIT_NETWORK) vs. prctl(???) Michael Stone
2009-12-13 5:20 ` Ulrich Drepper
2009-12-15 5:33 ` Michael Stone
2009-12-16 15:30 ` Michael Stone
2009-12-16 15:32 ` [PATCH] Security: Add prctl(PR_{GET,SET}_NETWORK) interface Michael Stone
2009-12-16 15:59 ` Andi Kleen
2009-12-17 1:25 ` Michael Stone
2009-12-17 8:52 ` Andi Kleen
[not found] ` <fb69ef3c0912170906t291a37c4r6c4758ddc7dd300b@mail.gmail.com>
2009-12-17 17:14 ` Andi Kleen
2009-12-17 22:58 ` Mark Seaborn
2009-12-18 3:00 ` Michael Stone
2009-12-18 3:29 ` [PATCH 1/3] Security: Add prctl(PR_{GET,SET}_NETWORK) interface. (v2) Michael Stone
2009-12-18 4:43 ` Valdis.Kletnieks
2009-12-18 15:46 ` Alan Cox
2009-12-18 16:33 ` [PATCH 1/3] Security: Add prctl(PR_{GET,SET}_NETWORK) Michael Stone
2009-12-18 17:20 ` Alan Cox
2009-12-18 17:47 ` Eric W. Biederman
2009-12-24 6:13 ` Michael Stone
2009-12-24 12:37 ` Eric W. Biederman
2009-12-24 1:42 ` [PATCH 0/3] Discarding networking privilege via LSM Michael Stone
2009-12-24 1:44 ` [PATCH 1/3] Security: Add prctl(PR_{GET,SET}_NETWORK) interface. (v3) Michael Stone
2009-12-24 4:38 ` Samir Bellabes [this message]
2009-12-24 5:44 ` Michael Stone
2009-12-24 5:51 ` Tetsuo Handa
2009-12-24 1:45 ` [PATCH 2/3] Security: Implement prctl(PR_SET_NETWORK, PR_NETWORK_OFF) semantics. (v3) Michael Stone
2009-12-24 1:45 ` [PATCH 3/3] Security: Document prctl(PR_{GET,SET}_NETWORK). (v3) Michael Stone
2009-12-25 17:09 ` [PATCH 1/3] Security: Add prctl(PR_{GET,SET}_NETWORK) Pavel Machek
2009-12-18 3:31 ` [PATCH 2/3] Security: Implement prctl(PR_SET_NETWORK, PR_NETWORK_OFF) semantics. (v2) Michael Stone
2009-12-18 3:57 ` Eric W. Biederman
2009-12-18 3:32 ` [PATCH 3/3] Security: Document prctl(PR_{GET,SET}_NETWORK). (v2) Michael Stone
2009-12-18 17:49 ` [PATCH] Security: Add prctl(PR_{GET,SET}_NETWORK) interface Stephen Hemminger
2009-12-19 12:02 ` David Wagner
2009-12-19 12:29 ` Alan Cox
2009-12-20 17:53 ` Mark Seaborn
2009-12-17 9:25 ` Américo Wang
2009-12-17 16:28 ` Michael Stone
2009-12-17 17:23 ` Randy Dunlap
2009-12-17 17:25 ` Randy Dunlap
2009-12-16 15:32 ` [PATCH] Security: Implement prctl(PR_SET_NETWORK, PR_NETWORK_OFF) semantics Michael Stone
2009-12-17 19:18 ` Eric W. Biederman
2009-12-16 15:32 ` [PATCH] Security: Document prctl(PR_{GET,SET}_NETWORK) Michael Stone
2009-12-13 8:32 ` Network isolation with RLIMIT_NETWORK, cont'd Rémi Denis-Courmont
2009-12-13 13:44 ` Michael Stone
2009-12-13 10:05 ` Eric W. Biederman
2009-12-13 14:21 ` Michael Stone
[not found] ` <fb69ef3c0912170931l5cbf0e3dh81c88e6502651042@mail.gmail.com>
2009-12-17 18:24 ` Bryan Donlan
2009-12-17 19:35 ` Bernie Innocenti
2009-12-17 19:53 ` Bryan Donlan
2009-12-17 19:23 ` Bernie Innocenti
2009-12-17 17:52 ` Andi Kleen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=m2pr653s1l.fsf@ssh.synack.fr \
--to=sam@synack.fr \
--cc=Valdis.Kletnieks@vt.edu \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=andi@firstfloor.org \
--cc=bdonlan@gmail.com \
--cc=bernie@codewiz.org \
--cc=cscott@cscott.net \
--cc=david@lang.hm \
--cc=ebiederm@xmission.com \
--cc=herbert@gondor.apana.org.au \
--cc=jmorris@namei.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-security-module@vger.kernel.org \
--cc=michael@laptop.org \
--cc=mrs@mythic-beasts.com \
--cc=netdev@vger.kernel.org \
--cc=randy.dunlap@oracle.com \
--cc=socketcan@hartkopp.net \
--cc=xiyou.wangcong@gmail.com \
--cc=zbr@ioremap.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox