From patchwork Tue Dec 11 22:42:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Casey Schaufler X-Patchwork-Id: 10725091 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 19D3518A7 for ; Tue, 11 Dec 2018 22:46:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0B40229FE9 for ; Tue, 11 Dec 2018 22:46:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id F3A8F2B6AA; Tue, 11 Dec 2018 22:46:38 +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,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_HI autolearn=unavailable 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 A4F2729FE9 for ; Tue, 11 Dec 2018 22:46:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726183AbeLKWqh (ORCPT ); Tue, 11 Dec 2018 17:46:37 -0500 Received: from sonic308-17.consmr.mail.ne1.yahoo.com ([66.163.187.40]:41993 "EHLO sonic308-17.consmr.mail.ne1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726498AbeLKWns (ORCPT ); Tue, 11 Dec 2018 17:43:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1544568226; bh=kZnkfo4eewmWJdduR5L3e/EPe8qWMgQMq8d/TZ6MGio=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From:Subject; b=ejipxJyDBgrLLjgBaUCabHWnAjP0H35MLh89FPQNwptwGO5GQhOYdBo3gzckkuDRJycMBTatG/SV4XysnSstt9XwyfH3v6QxE2Qtg+7Gf6xbFjttyzYFi98mIWVuDmQFuirTgtv4FpcoYqPTPCPI+ONCVWmViDBxX1qvII61aAKpgW3TdfLUzgSuTjh3tCo0yI56aGge7NVqmAnqFRrMgZT4s8+KSg2TWzBWVB9RPDpV8WaEa0dPP+mPfjtwonWluPzaMBavjqsl6cWlNPa7p161TRVKqFVg+ozpOKPrs76Ugdwd+pV0x/pnEjXtOGBrbQoB74xmsq78JZVrzuWB1g== X-YMail-OSG: kA1OslEVM1nX8SlcemXJSivjnL_Yvva6XedrvXcUpUu39XaTP9GHVLlYOEmBkgX dzeuYwRCB_JRtF.JPIdsVtIchHrn7eduSsjpEnUzZHzQk4kimhSvrt68dS8C91QyVXNX.2wpLITw pNTssLY2jNgXQNPxdGMJ_J80MxZNSgld6OVpUxDztKn2YcVmLiVFfEP5WkUXm8WBxl6NoKndfR8T LEvcPdbzIaTKcdle83j64UcPheeseoja3y6bF2YQhQ2k5cUyzcspLfmUeH5W9usdXR3ULeEfEpaV zZMOyFfgnDdUUcHgjTgp73mixih7O3guMwUiHwNPh7d8uQZV6AJHhs9wdeVu6BAOgmt5MTFeJ9BT fNLL5bPVrBVL_mNETp7xpgYKW9Dljiwam.hb4Zl5GKPJnnaXKkex5SwmGRne2fPQWSU1.ruKwjxi uhPfhnYGRQM0hcKhAsK4JqcdQIHeNjRB9frsATmkU_mqJ8MzXDIr8mp.G2xAkK6EHfY_5dWeKxND cYOIHUvNdK._hg1UDYyC2C7Em4dFaytRzyAY4RtAgxdeGKizPPZkb5bOgZjBjPee6zAqR14ZvgT2 SyWntyEn99wQmbMicIgJZWGGGnQsKesTKgZ.QmrsoYuQaMxV8LI9aYSGizn1_Y4Ngtz5EWA8uU8k ZKjB.6h1ug72cNfgWva1Zvbn6dtQ8Gs1snEMdmxu_Arhg8kZiiOe9Wg.i6GoneShdVKEnNrhI32e mywV.p8JWDSWqr7UkV__4HVSgZ.smZShavgJB2KGxOZdOZNQO_oguv3H97nITHC6qDt10O5U2Xfk 687dVX6oRIvla2drwGbswjIvOqwqmch8pwRLBwIZt9wGk1nyOjJQM4bnWzpWxg8NiHbM0phB_wd1 NRnHxf3DF3kGfDM8TxYe7qd1IyeGjc6sXkFHhgZoZUoBYOpVGrR0ZsvWugflQX6X0mR7yA6qSjDX LeoTdGfMRt0ZmjC6ZfzVDPL_unT1hs_CmY6qCX2.fqpBl.ODb74ARXiWlm6g9qpInYM1SZ4WGh7A VSuQh75aafNIFILMJ_xaoE8VMWaDEd4XloC5CNd3HNkoA2nBgZAaPkxRLZXEpAK_zGJCTEk17e79 gMoSq7f0HDAXaYreO6kqFiTKmSYOI5TOzUm4eyTHCruI- Received: from sonic.gate.mail.ne1.yahoo.com by sonic308.consmr.mail.ne1.yahoo.com with HTTP; Tue, 11 Dec 2018 22:43:46 +0000 Received: from c-67-169-65-224.hsd1.ca.comcast.net (EHLO localhost.localdomain) ([67.169.65.224]) by smtp408.mail.ne1.yahoo.com (Oath Hermes SMTP Server) with ESMTPA ID d92a2db682ecd2e464273bda9352fd0e; Tue, 11 Dec 2018 22:43:44 +0000 (UTC) From: Casey Schaufler To: jmorris@namei.org, linux-security-module@vger.kernel.org, linux-kernel@vger.kernel.org, selinux@vger.kernel.org Cc: john.johansen@canonical.com, keescook@chromium.org, penguin-kernel@i-love.sakura.ne.jp, paul@paul-moore.com, linux-fsdevel@vger.kernel.org, sds@tycho.nsa.gov, adobriyan@gmail.com, mic@digikod.net, s.mesoraca16@gmail.com, casey@schaufler-ca.com Subject: [PATCH v5 19/38] capability: Initialize as LSM_ORDER_FIRST Date: Tue, 11 Dec 2018 14:42:55 -0800 Message-Id: <20181211224314.22412-20-casey@schaufler-ca.com> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20181211224314.22412-1-casey@schaufler-ca.com> References: <20181211224314.22412-1-casey@schaufler-ca.com> Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: X-Virus-Scanned: ClamAV using ClamSMTP From: Kees Cook This converts capabilities to use the new LSM_ORDER_FIRST position. Signed-off-by: Kees Cook Reviewed-by: Casey Schaufler --- include/linux/lsm_hooks.h | 2 -- security/commoncap.c | 9 ++++++++- security/security.c | 5 ----- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index 83858e3df9e5..15fc49ee41a1 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -2092,6 +2092,4 @@ static inline void security_delete_hooks(struct security_hook_list *hooks, #define __lsm_ro_after_init __ro_after_init #endif /* CONFIG_SECURITY_WRITABLE_HOOKS */ -extern void __init capability_add_hooks(void); - #endif /* ! __LINUX_LSM_HOOKS_H */ diff --git a/security/commoncap.c b/security/commoncap.c index 18a4fdf6f6eb..ec387535e597 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -1363,10 +1363,17 @@ struct security_hook_list capability_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(vm_enough_memory, cap_vm_enough_memory), }; -void __init capability_add_hooks(void) +static int __init capability_init(void) { security_add_hooks(capability_hooks, ARRAY_SIZE(capability_hooks), "capability"); + return 0; } +DEFINE_LSM(capability) = { + .name = "capability", + .order = LSM_ORDER_FIRST, + .init = capability_init, +}; + #endif /* CONFIG_SECURITY */ diff --git a/security/security.c b/security/security.c index 701507174f40..eab64bdc60fb 100644 --- a/security/security.c +++ b/security/security.c @@ -277,11 +277,6 @@ int __init security_init(void) i++) INIT_HLIST_HEAD(&list[i]); - /* - * Load minor LSMs, with the capability module always first. - */ - capability_add_hooks(); - /* Load LSMs in specified order. */ ordered_lsm_init();