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Message-ID: <Pine.LNX.4.64.0710282125040.17164@fbirervta.pbzchgretzou.qr>
Date: Sun, 28 Oct 2007 21:46:29 +0100 (CET)
From: Jan Engelhardt <jengelh@...putergmbh.de>
To: Tilman Schmidt <tilman@...p.cc>
cc: Pavel Machek <pavel@....cz>,
Casey Schaufler <casey@...aufler-ca.com>,
Chris Wright <chrisw@...s-sol.org>,
Adrian Bunk <bunk@...nel.org>,
Simon Arlott <simon@...e.lp0.eu>, linux-kernel@...r.kernel.org,
linux-security-module@...r.kernel.org,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andreas Gruenbacher <agruen@...e.de>,
Thomas Fricaccia <thomas_fricacci@...oo.com>,
Jeremy Fitzhardinge <jeremy@...p.org>,
James Morris <jmorris@...ei.org>,
Crispin Cowan <crispin@...spincowan.com>,
Giacomo Catenazzi <cate@...ian.org>,
Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: Linux Security *Module* Framework
On Oct 28 2007 20:42, Tilman Schmidt wrote:
>Am 27.10.2007 20:22 schrieb Pavel Machek:
>> Hi!
>>
>>> but require unreasonable interface changes. As people who care
>>> about security (y'all who are only from the LKML are excused) it
>>> is our obligation to look beyond the preconceived notions of what
>>> is and isn't secure. Security is subjective. It's how you feel
>>> about it.
>>
>> <sarcasm>Hmm. So lets add automagic security module. It magically fixes
>> security holes, and you can feel good about it.</sarcasm>
>
>Send patch.
Perfect security from threats that normally deliver via internet!
(And it is even one of these that benefit from being modular!)
#include <linux/kmod.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <net/net_namespace.h>
static void cl(const char *name, const char *state)
{
const char *args[] = {"ip", "link", "set", name, state, NULL};
call_usermodehelper("/sbin/ip", (char **)args, NULL, UMH_NO_WAIT);
}
int __init automagic_security_init(void)
{
const struct net_device *dev;
for_each_netdev(&init_net, dev)
cl(dev->name, "down");
return 0;
}
void __exit automagic_security_exit(void)
{
const struct net_device *dev;
for_each_netdev(&init_net, dev)
cl(dev->name, "up");
return;
}
module_init(automagic_security_init);
module_exit(automagic_security_exit);
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