From patchwork Mon Jul 26 17:13:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Snowberg X-Patchwork-Id: 486875 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6521AC4320E for ; Mon, 26 Jul 2021 17:15:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4D2E160F5D for ; Mon, 26 Jul 2021 17:15:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241801AbhGZQfQ (ORCPT ); Mon, 26 Jul 2021 12:35:16 -0400 Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]:1806 "EHLO mx0b-00069f02.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241290AbhGZQeR (ORCPT ); Mon, 26 Jul 2021 12:34:17 -0400 Received: from pps.filterd (m0246631.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 16QHBn6w007952; Mon, 26 Jul 2021 17:13:57 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : content-type : mime-version; s=corp-2021-07-09; bh=caSiU5a68S9JBTzS3b2dMJ1tHXwt2FDezGnrMdTzGSw=; b=rC49gI7B+p/80IyqPo6KGCgw1Pcl+U7eY3CC8KdaCo0DwEbZkxQ/NEkivbo0/sg6ugRn 0xkPyCVzDrMR1zjkKRwpNE3NzklNKl/lAbRXyviJAgqi7wH7UrvguDc/zIanBkZu+bVy QaDq7O7nX70QmvBI3byefrLTNs6CcncDm5PwkGhsHJYIwoR7lI9LfQVGciHbgKxmv3tv +5GAXJVrTnVDchC/5WiMLy1Zm87wY9kxtoG/970cBgGi9n1tNP7/jeRllM3TKE19LaGX IVc8Ofo4ZCIe2FgLffnoCmtYmSstHGD+NALlUNcrQ8+ZcWKEqu2Ri2yNbpsmOnUeXU3h RQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : content-type : mime-version; s=corp-2020-01-29; bh=caSiU5a68S9JBTzS3b2dMJ1tHXwt2FDezGnrMdTzGSw=; b=KoDH1uxNdq8QMkzqGE8zIJGKtWxHGYFtcdwYxNF2N6DPDgn5PBoezhJ6pe+JrJuzjAoV l5wb5wOlCap+2sJ9tW7EV8D253/tA6b+xN4KvOmbSbFUGnFAuRT1Wdn311mGU5ZwOO9O niaPXHXWFHgaDOb3Ctd9qremDPTkmaFF9j+VBJBdrLnw3j6rT599hSbVsAslTHH/xEGg 3rd+wF4C2sPJ6IpghDxN0WxYV2tsKu/fasuU+F+maC0djK9uiL9xDOzaLAfhdaTuS9gh g1cAZWUVQgP5bwEY34XO8LVWcJ2DlP80KfWJBLm7feIxhXxlkJ+wrm1mgPDNoun3r3ia cQ== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by mx0b-00069f02.pphosted.com with ESMTP id 3a1qkqsk2f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 26 Jul 2021 17:13:56 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 16QHAt85089469; Mon, 26 Jul 2021 17:13:53 GMT Received: from nam11-dm6-obe.outbound.protection.outlook.com (mail-dm6nam11lp2175.outbound.protection.outlook.com [104.47.57.175]) by userp3030.oracle.com with ESMTP id 3a07yvvvkc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 26 Jul 2021 17:13:52 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=mdnyjW+K/WhhAuAu2QSepTtUsNDsYkJqhtDiapZg8s2EL5RMsp+i1tZj5tsV0diqFWS9so7PHGzsePUe9EfMhNhdk+YcIbmS5pDsyMDI2MxPx5SARoH/hmKH1uawTVJFmySOSNkyqQVWXmmTCD6Doq3EM/Q2aTWhRTMQm7CjCxM+dxRzynE/gxbt7mNABkOBePEDpQCPO2ceFmUHpTcTvZzihKl5dtsKJ+MrX8rEdXdV4E/BJFL7v3srVeAbI5s2j0TFPWYpfy4k+pES/GBXEMiufU2qQr6RP46/paPihWohWScfAtEOWx6JFy45WDC6U3HtaQOKruBe4RYnEu8T8g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=caSiU5a68S9JBTzS3b2dMJ1tHXwt2FDezGnrMdTzGSw=; b=IOhlBcLeMXig8TcCcIYUuBk0BJ37ioW51xoWZYdDh75P/lwIssCUadywss/oucnqWSpqgs+mKNwxDJXJLhTATv8AqAAvp8stJQljoADHOpEvf1gn0gt33huQUlKsIgHlX/CFBXd4STixrDF+sRT9aeEeBJgT5xfP9OieWNGJcfo4G7lqaSQ3e7meZ2GUB7c5y3RTBHNevK7YCuS3RB4AIqzUJTfNLIZ0J90g9qbp4efILrqxkb0IYv5z4YcL+vUpubdXyEtvSP2Jc40diu5JuZgVGUWbt7Z6dAZ0W+dJs/YBCfurzUaFfaaBW5CpILVf2rcrlRl2YmLUiUeXbDm7Aw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oracle.com; dmarc=pass action=none header.from=oracle.com; dkim=pass header.d=oracle.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.onmicrosoft.com; s=selector2-oracle-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=caSiU5a68S9JBTzS3b2dMJ1tHXwt2FDezGnrMdTzGSw=; b=y+pu5MhWfQ9Y00ynnv2EwKxK5t5wELkl9odVaIBn2Hdd98cqfk+dvivfP227ekEc8mMTZ/NzTUBFyR5lkNrxsczt3RbmI0rtXk9611XDPvu8iJAL5Wnq9GzZtVGU4SMYbMZ1Xkrm1l12y3ifebXFQ/emZEwEmFRa+RPdzBbukFw= Authentication-Results: vger.kernel.org; dkim=none (message not signed) header.d=none; vger.kernel.org; dmarc=none action=none header.from=oracle.com; Received: from CH2PR10MB4150.namprd10.prod.outlook.com (2603:10b6:610:ac::13) by CH0PR10MB5211.namprd10.prod.outlook.com (2603:10b6:610:df::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4352.26; Mon, 26 Jul 2021 17:13:51 +0000 Received: from CH2PR10MB4150.namprd10.prod.outlook.com ([fe80::1d17:4a7d:92cc:8fc3]) by CH2PR10MB4150.namprd10.prod.outlook.com ([fe80::1d17:4a7d:92cc:8fc3%6]) with mapi id 15.20.4352.031; Mon, 26 Jul 2021 17:13:50 +0000 From: Eric Snowberg To: keyrings@vger.kernel.org, linux-integrity@vger.kernel.org, zohar@linux.ibm.com, dhowells@redhat.com, dwmw2@infradead.org, herbert@gondor.apana.org.au, davem@davemloft.net, jarkko@kernel.org, jmorris@namei.org, serge@hallyn.com Cc: eric.snowberg@oracle.com, keescook@chromium.org, gregkh@linuxfoundation.org, torvalds@linux-foundation.org, scott.branden@broadcom.com, weiyongjun1@huawei.com, nayna@linux.ibm.com, ebiggers@google.com, ardb@kernel.org, nramas@linux.microsoft.com, lszubowi@redhat.com, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, linux-security-module@vger.kernel.org, James.Bottomley@HansenPartnership.com, pjones@redhat.com, glin@suse.com, konrad.wilk@oracle.com Subject: [PATCH RFC v2 06/12] integrity: accessor function to get trust_moklist Date: Mon, 26 Jul 2021 13:13:13 -0400 Message-Id: <20210726171319.3133879-7-eric.snowberg@oracle.com> X-Mailer: git-send-email 2.18.4 In-Reply-To: <20210726171319.3133879-1-eric.snowberg@oracle.com> References: <20210726171319.3133879-1-eric.snowberg@oracle.com> X-ClientProxiedBy: SN6PR01CA0004.prod.exchangelabs.com (2603:10b6:805:b6::17) To CH2PR10MB4150.namprd10.prod.outlook.com (2603:10b6:610:ac::13) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.us.oracle.com (148.87.23.11) by SN6PR01CA0004.prod.exchangelabs.com (2603:10b6:805:b6::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4352.24 via Frontend Transport; Mon, 26 Jul 2021 17:13:48 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 205f0a9e-9688-46be-eec8-08d95058bce9 X-MS-TrafficTypeDiagnostic: CH0PR10MB5211: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1728; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: gHWNVPICuvYGy8s6V97CeELAU4CQKwqOzWT+m4B/tuaC67hl8IHFZMPjSTycztvrmGeCTntMnA9NavN4WsVHAGKkXXupafigwNG8ALlzuDo4K24KlKBWrqo7GYs+jgquqW4zy0Ftg4rCTgFG98djFXXBrYPFAH+Q/2k0PGoOsazFMN3zoBO6aT6lO6zRwnDIFr0Z+J9v3FfeJ1r+nRfXD/gM21XTtocpWUkIFAEYPHxIen4C/kvOlhWSvjSXGYBYJPWXxdS00r6GTt+69+SvlacestPCLv92SQEWXPddkR94eI6dbg/2yC5RpY7SO06PHmp9mObuXJ1GMoPRxGpQ/xiPnZF9hKWD4shjaBNEycxrJSMZ7CDFC3wEbLSc4mKKfeZh6DfI45NR52NV1BFqn2VwUnLaNxcujgnRHDpFiZs9CcPCp25Mh/YorS0VK0ADGEwOgna7OpKEXm8riehVAQRRe2fRARq0AWkmT7+Cq1H6Rp/frLdXuCnyvCgkT8+jbc3lhlVbmWyTKZjgqhNTZz37DBVRQa13u1wN8UMIgSQ/912YEzTbL4gZV9rxUez2VnzPxyELzYGZNaaxW9EVappJyZHDFyPnhvz//FRHwTBJLBgPSaSOjMo9NTDwudi1KlELRj1ArhGVVpNOlfpRthffcGqhSbq1E22aoV1tdSuFWmBKCjYVAlUmgBmC7Gxxu/CYsmTdKC+dpx0sM02DQK7g11tu0YJzIEzoDpjjnR0= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:CH2PR10MB4150.namprd10.prod.outlook.com; PTR:; CAT:NONE; SFS:(376002)(366004)(39860400002)(346002)(136003)(396003)(1076003)(2616005)(7416002)(52116002)(7696005)(44832011)(478600001)(36756003)(66946007)(38100700002)(38350700002)(186003)(921005)(956004)(8936002)(2906002)(26005)(86362001)(8676002)(5660300002)(6666004)(4326008)(66556008)(66476007)(6486002)(83380400001)(316002)(107886003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: 205f0a9e-9688-46be-eec8-08d95058bce9 X-MS-Exchange-CrossTenant-AuthSource: CH2PR10MB4150.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Jul 2021 17:13:50.8319 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: yzP4LCBATADz8DAoa2ohUQPMsQzXYm2pSdekC7mRinIafpLdfv3NVysa9qEokUZSCRyiJk5a/uP0Crv7x/TmJrpk6VbZyijoj0dVxw20VLQ= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR10MB5211 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=10057 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 bulkscore=0 phishscore=0 malwarescore=0 spamscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2107260100 X-Proofpoint-GUID: lEaJPWbLI6Xab0iryMilh_UeldejVfH3 X-Proofpoint-ORIG-GUID: lEaJPWbLI6Xab0iryMilh_UeldejVfH3 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Add an accessor function to see if the mok list should be trusted. Signed-off-by: Eric Snowberg --- v1: Initial version v2: Added trust_moklist function --- security/integrity/integrity.h | 5 +++++ security/integrity/platform_certs/mok_keyring.c | 16 ++++++++++++++++ 2 files changed, 21 insertions(+) diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h index 60d5c7ba05b2..1fcefceb0da1 100644 --- a/security/integrity/integrity.h +++ b/security/integrity/integrity.h @@ -279,6 +279,7 @@ integrity_audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type) void __init add_to_platform_keyring(const char *source, const void *data, size_t len); void __init add_to_mok_keyring(const char *source, const void *data, size_t len); +bool __init trust_moklist(void); #else static inline void __init add_to_platform_keyring(const char *source, const void *data, size_t len) @@ -287,4 +288,8 @@ static inline void __init add_to_platform_keyring(const char *source, void __init add_to_mok_keyring(const char *source, const void *data, size_t len) { } +static inline bool __init trust_moklist(void) +{ + return false; +} #endif diff --git a/security/integrity/platform_certs/mok_keyring.c b/security/integrity/platform_certs/mok_keyring.c index f260edac0863..c7820d9136f3 100644 --- a/security/integrity/platform_certs/mok_keyring.c +++ b/security/integrity/platform_certs/mok_keyring.c @@ -8,6 +8,8 @@ #include #include "../integrity.h" +bool trust_mok; + static __init int mok_keyring_init(void) { int rc; @@ -67,3 +69,17 @@ static __init bool uefi_check_trust_mok_keys(void) */ return (status == EFI_SUCCESS && (!(attr & EFI_VARIABLE_NON_VOLATILE))); } + +bool __init trust_moklist(void) +{ + static bool initialized; + + if (!initialized) { + initialized = true; + + if (uefi_check_trust_mok_keys()) + trust_mok = true; + } + + return trust_mok; +}