From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759988Ab3EGCTY (ORCPT ); Mon, 6 May 2013 22:19:24 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:43453 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1759945Ab3EGCTV (ORCPT ); Mon, 6 May 2013 22:19:21 -0400 X-IronPort-AV: E=Sophos;i="4.87,625,1363104000"; d="scan'208";a="7201746" From: Gao feng To: viro@zeniv.linux.org.uk, eparis@redhat.com, ebiederm@xmission.com, sgrubb@redhat.com, akpm@linux-foundation.org, serge.hallyn@ubuntu.com, davem@davemloft.net Cc: netdev@vger.kernel.org, containers@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-audit@redhat.com, Gao feng Subject: [PATCH RFC 03/48] Audit: implement audit self-defined compare function Date: Tue, 7 May 2013 10:20:24 +0800 Message-Id: <1367893269-9308-4-git-send-email-gaofeng@cn.fujitsu.com> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1367893269-9308-1-git-send-email-gaofeng@cn.fujitsu.com> References: <1367893269-9308-1-git-send-email-gaofeng@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/05/07 10:18:25, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/05/07 10:18:26, Serialize complete at 2013/05/07 10:18:26 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org After this patch, audit netlink sockets can communicate with each other when they belong to the same user namespace. Signed-off-by: Gao feng --- kernel/audit.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/kernel/audit.c b/kernel/audit.c index 766dcbf..3ae8793 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -937,6 +937,11 @@ static void audit_receive(struct sk_buff *skb) mutex_unlock(&audit_cmd_mutex); } +static bool audit_compare(struct net *net, struct sock *sk) +{ + return (sock_net(sk)->user_ns == net->user_ns); +} + static int __net_init audit_net_init(struct net *net) { struct user_namespace *ns = net->user_ns; @@ -949,6 +954,7 @@ static int __net_init audit_net_init(struct net *net) */ struct netlink_kernel_cfg cfg = { .input = audit_receive, + .compare = audit_compare, }; sk = netlink_kernel_create(net, NETLINK_AUDIT, &cfg); -- 1.8.1.4