From patchwork Fri Feb 24 22:19:39 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Adamson X-Patchwork-Id: 9591301 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 DCD77601AE for ; Fri, 24 Feb 2017 22:20:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B9A332895B for ; Fri, 24 Feb 2017 22:20:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AB12928957; Fri, 24 Feb 2017 22:20:18 +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 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 46AB6287A3 for ; Fri, 24 Feb 2017 22:20:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751163AbdBXWUH (ORCPT ); Fri, 24 Feb 2017 17:20:07 -0500 Received: from mx142.netapp.com ([216.240.21.19]:52563 "EHLO mx142.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751268AbdBXWUF (ORCPT ); Fri, 24 Feb 2017 17:20:05 -0500 X-IronPort-AV: E=Sophos;i="5.35,201,1484035200"; d="scan'208";a="173445329" Received: from vmwexchts04-prd.hq.netapp.com ([10.122.105.32]) by mx142-out.netapp.com with ESMTP; 24 Feb 2017 14:11:26 -0800 Received: from smtp2.corp.netapp.com (10.57.159.114) by VMWEXCHTS04-PRD.hq.netapp.com (10.122.105.32) with Microsoft SMTP Server id 15.0.1210.3; Fri, 24 Feb 2017 14:20:03 -0800 Received: from fc25-1.androsad.fake (dros-16.vpn.netapp.com [10.55.72.26]) by smtp2.corp.netapp.com (8.13.1/8.13.1/NTAP-1.6) with ESMTP id v1OMK0nR020915; Fri, 24 Feb 2017 14:20:03 -0800 (PST) From: To: CC: , , , Andy Adamson Subject: [PATCH Version 5 03/17] SELINUX export security_current_sid_to_context Date: Fri, 24 Feb 2017 17:19:39 -0500 Message-ID: <20170224221953.5502-4-andros@netapp.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170224221953.5502-1-andros@netapp.com> References: <20170224221953.5502-1-andros@netapp.com> MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Andy Adamson RPCSEC_GSS Version 3 label assertions require the client thread sid in string context form Signed-off-by: Andy Adamson --- include/linux/selinux.h | 7 +++++++ security/selinux/hooks.c | 14 ++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/include/linux/selinux.h b/include/linux/selinux.h index 44f4596..e82a4ba 100644 --- a/include/linux/selinux.h +++ b/include/linux/selinux.h @@ -24,12 +24,19 @@ struct kern_ipc_perm; * selinux_is_enabled - is SELinux enabled? */ bool selinux_is_enabled(void); +int security_current_sid_to_context(char **scontext, u32 *scontext_len); #else static inline bool selinux_is_enabled(void) { return false; } + +static inline int +security_current_sid_to_context(char **scontext, u32 *scontext_len) +{ + return -EINVAL; +} #endif /* CONFIG_SECURITY_SELINUX */ #endif /* _LINUX_SELINUX_H */ diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index c7c6619..a65f6dc 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -6492,3 +6492,17 @@ int selinux_disable(void) return 0; } #endif + +/** + * RPCSEC_GSS Version 3 Full Mode labeling needs this interface + * or one like it. + */ +int security_current_sid_to_context(char **scontext, u32 *scontext_len) +{ + const struct task_security_struct *ts = current_security(); + + if (!selinux_enabled) + return -EINVAL; + return security_sid_to_context(ts->sid, scontext, scontext_len); +} +EXPORT_SYMBOL_GPL(security_current_sid_to_context);