From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752548Ab1ASFc4 (ORCPT ); Wed, 19 Jan 2011 00:32:56 -0500 Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:34617 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750879Ab1ASFcz (ORCPT ); Wed, 19 Jan 2011 00:32:55 -0500 Date: Tue, 18 Jan 2011 21:33:27 -0800 (PST) Message-Id: <20110118.213327.27785301.davem@davemloft.net> To: ian.molton@collabora.co.uk Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, eric.dumazet@gmail.com, ebiederm@xmission.com, xemul@openvz.org, davidel@xmailserver.org, alban.crequy@collabora.co.uk Subject: Re: [PATCH] af_unix: implement socket filter From: David Miller In-Reply-To: <1295368755-20931-1-git-send-email-ian.molton@collabora.co.uk> References: <1295368755-20931-1-git-send-email-ian.molton@collabora.co.uk> X-Mailer: Mew version 6.3 on Emacs 23.1 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ian Molton Date: Tue, 18 Jan 2011 16:39:15 +0000 > From: Alban Crequy > > Linux Socket Filters can already be successfully attached and detached on unix > sockets with setsockopt(sockfd, SOL_SOCKET, SO_{ATTACH,DETACH}_FILTER, ...). > See: Documentation/networking/filter.txt > > But the filter was never used in the unix socket code so it did not work. This > patch uses sk_filter() to filter buffers before delivery. > > This short program demonstrates the problem on SOCK_DGRAM. ... > Signed-off-by: Alban Crequy > Reviewed-by: Ian Molton Applied.