From patchwork Fri May 19 12:48:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Jurgens X-Patchwork-Id: 9737119 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 06DB56034C for ; Fri, 19 May 2017 12:49:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EF5EA28929 for ; Fri, 19 May 2017 12:49:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E424E28932; Fri, 19 May 2017 12:49:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2E2192892F for ; Fri, 19 May 2017 12:49:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751403AbdESMtv (ORCPT ); Fri, 19 May 2017 08:49:51 -0400 Received: from mail-il-dmz.mellanox.com ([193.47.165.129]:46997 "EHLO mellanox.co.il" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753269AbdESMtr (ORCPT ); Fri, 19 May 2017 08:49:47 -0400 Received: from Internal Mail-Server by MTLPINE1 (envelope-from danielj@mellanox.com) with ESMTPS (AES256-SHA encrypted); 19 May 2017 15:49:28 +0300 Received: from x-vnc01.mtx.labs.mlnx. (x-vnc01.mtx.labs.mlnx [10.12.150.16]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id v4JCn8HU027204; Fri, 19 May 2017 15:49:25 +0300 From: Dan Jurgens To: chrisw@sous-sol.org, paul@paul-moore.com, sds@tycho.nsa.gov, eparis@parisplace.org, dledford@redhat.com, sean.hefty@intel.com, hal.rosenstock@gmail.com Cc: selinux@tycho.nsa.gov, linux-security-module@vger.kernel.org, linux-rdma@vger.kernel.org, yevgenyp@mellanox.com, Daniel Jurgens Subject: [PATCH v7 6/9] selinux: Allocate and free infiniband security hooks Date: Fri, 19 May 2017 15:48:56 +0300 Message-Id: <1495198139-69993-7-git-send-email-danielj@mellanox.com> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1495198139-69993-1-git-send-email-danielj@mellanox.com> References: <1495198139-69993-1-git-send-email-danielj@mellanox.com> Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Daniel Jurgens Implement and attach hooks to allocate and free Infiniband object security structures. Signed-off-by: Daniel Jurgens Reviewed-by: James Morris --- v2: - Use void * blobs for security structs. Paul Moore - Shorten ib_end_port to ib_port. Paul Moore - Allocate memory for security struct with GFP_KERNEL. Yuval Shaia security/selinux/hooks.c | 25 ++++++++++++++++++++++++- security/selinux/include/objsec.h | 5 +++++ 2 files changed, 29 insertions(+), 1 deletion(-) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index bc77c56..d580268 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -17,6 +17,7 @@ * Paul Moore * Copyright (C) 2007 Hitachi Software Engineering Co., Ltd. * Yuichi Nakamura + * Copyright (C) 2016 Mellanox Technologies * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, @@ -6156,7 +6157,26 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer) *_buffer = context; return rc; } +#endif + +#ifdef CONFIG_SECURITY_INFINIBAND +static int selinux_ib_alloc_security(void **ib_sec) +{ + struct ib_security_struct *sec; + + sec = kzalloc(sizeof(*sec), GFP_KERNEL); + if (!sec) + return -ENOMEM; + sec->sid = current_sid(); + + *ib_sec = sec; + return 0; +} +static void selinux_ib_free_security(void *ib_sec) +{ + kfree(ib_sec); +} #endif static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = { @@ -6343,7 +6363,10 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(tun_dev_attach_queue, selinux_tun_dev_attach_queue), LSM_HOOK_INIT(tun_dev_attach, selinux_tun_dev_attach), LSM_HOOK_INIT(tun_dev_open, selinux_tun_dev_open), - +#ifdef CONFIG_SECURITY_INFINIBAND + LSM_HOOK_INIT(ib_alloc_security, selinux_ib_alloc_security), + LSM_HOOK_INIT(ib_free_security, selinux_ib_free_security), +#endif #ifdef CONFIG_SECURITY_NETWORK_XFRM LSM_HOOK_INIT(xfrm_policy_alloc_security, selinux_xfrm_policy_alloc), LSM_HOOK_INIT(xfrm_policy_clone_security, selinux_xfrm_policy_clone), diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index c03cdcd..b7f15f7 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -10,6 +10,7 @@ * * Copyright (C) 2001,2002 Networks Associates Technology, Inc. * Copyright (C) 2003 Red Hat, Inc., James Morris + * Copyright (C) 2016 Mellanox Technologies * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, @@ -139,6 +140,10 @@ struct key_security_struct { u32 sid; /* SID of key */ }; +struct ib_security_struct { + u32 sid; /* SID of the queue pair or MAD agent */ +}; + extern unsigned int selinux_checkreqprot; #endif /* _SELINUX_OBJSEC_H_ */