From: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
To: James Morris <jmorris@namei.org>
Cc: netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
tgraf@suug.ch, Stephen Smalley <sds@tycho.nsa.gov>
Subject: Re: Refactor Netlink connector?
Date: Tue, 30 May 2006 22:03:00 +0400 [thread overview]
Message-ID: <20060530180300.GA10293@2ka.mipt.ru> (raw)
In-Reply-To: <Pine.LNX.4.64.0605301015090.25929@d.namei>
On Tue, May 30, 2006 at 10:18:32AM -0400, James Morris (jmorris@namei.org) wrote:
> > And, btw, what is the purpose of controlling netlink messages?
> > Does it prevent malicious userspace application to receive events from
> > malicious kernel module?
>
> It provides control over which types of applications can send and receive
> different types of Netlink messages. e.g. you can specify that Apache can
> read the routing table but not write to it.
Apache still can setup routes using ioctl or execve("ip route add/route
add");
Anyway you can easily add lsm hook into both sending/receiving pathes in
connector code, it fully controls the traffic before it reached socket
queue or user's callback.
> - James
> --
> James Morris
> <jmorris@namei.org>
--
Evgeniy Polyakov
next prev parent reply other threads:[~2006-05-30 18:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-26 20:04 Refactor Netlink connector? James Morris
2006-05-26 23:06 ` Patrick McHardy
2006-05-27 13:46 ` Evgeniy Polyakov
2006-05-27 16:45 ` James Morris
2006-05-27 17:21 ` James Morris
2006-05-28 15:33 ` Evgeniy Polyakov
2006-05-29 6:36 ` David Miller
2006-05-29 12:11 ` jamal
2006-05-30 14:22 ` James Morris
2006-05-31 12:00 ` jamal
2006-05-31 13:09 ` Thomas Graf
2006-05-30 14:18 ` James Morris
2006-05-30 18:03 ` Evgeniy Polyakov [this message]
2006-05-30 18:58 ` James Morris
2006-05-30 19:09 ` Evgeniy Polyakov
2006-05-31 3:00 ` Thomas Graf
2006-05-31 12:20 ` jamal
2006-05-31 13:06 ` Thomas Graf
2006-05-31 13:22 ` jamal
2006-05-31 15:42 ` James Morris
2006-06-01 10:45 ` Thomas Graf
2006-06-01 14:24 ` James Morris
2006-06-14 12:36 ` jamal
2006-06-14 15:19 ` James Morris
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