From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755339AbeDWNbI (ORCPT ); Mon, 23 Apr 2018 09:31:08 -0400 Received: from mail-wr0-f196.google.com ([209.85.128.196]:33911 "EHLO mail-wr0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755228AbeDWNa7 (ORCPT ); Mon, 23 Apr 2018 09:30:59 -0400 X-Google-Smtp-Source: AIpwx49/8o0TaHHH0Wr5Hu6t6XvXke6CI7EdeRuEZXLS879plpk3URxF+i35uAneeIp2Uk+pZqjAIg== From: David Herrmann To: linux-kernel@vger.kernel.org Cc: James Morris , Paul Moore , teg@jklm.no, Stephen Smalley , selinux@tycho.nsa.gov, linux-security-module@vger.kernel.org, Eric Paris , serge@hallyn.com, davem@davemloft.net, netdev@vger.kernel.org, David Herrmann Subject: [PATCH 2/3] net/unix: hook unix_socketpair() into LSM Date: Mon, 23 Apr 2018 15:30:14 +0200 Message-Id: <20180423133015.5455-3-dh.herrmann@gmail.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180423133015.5455-1-dh.herrmann@gmail.com> References: <20180423133015.5455-1-dh.herrmann@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use the newly created LSM-hook for unix_socketpair(). The default hook return-value is 0, so behavior stays the same unless LSMs start using this hook. Signed-off-by: David Herrmann --- net/unix/af_unix.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 68bb70a62afe..bc9705ace9b1 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1371,6 +1371,11 @@ static int unix_stream_connect(struct socket *sock, struct sockaddr *uaddr, static int unix_socketpair(struct socket *socka, struct socket *sockb) { struct sock *ska = socka->sk, *skb = sockb->sk; + int err; + + err = security_unix_stream_socketpair(ska, skb); + if (err) + return err; /* Join our sockets back to back */ sock_hold(ska); -- 2.17.0