From patchwork Wed Jul 7 02:43:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Snowberg X-Patchwork-Id: 12361475 X-Patchwork-Delegate: herbert@gondor.apana.org.au 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, 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 9D073C11F7B for ; Wed, 7 Jul 2021 02:45:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8CBDB61CB8 for ; Wed, 7 Jul 2021 02:45:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230221AbhGGCsH (ORCPT ); Tue, 6 Jul 2021 22:48:07 -0400 Received: from mx0a-00069f02.pphosted.com ([205.220.165.32]:64698 "EHLO mx0a-00069f02.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230123AbhGGCr6 (ORCPT ); Tue, 6 Jul 2021 22:47:58 -0400 Received: from pps.filterd (m0246617.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.0.43/8.16.0.43) with SMTP id 1672aKj8004673; Wed, 7 Jul 2021 02:44:42 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-2020-01-29; bh=AcJ5Vm/PFZfAwSMjIejgKMjx+s/HnRr7by4aEdvqO2c=; b=j3uIHIvS26hGHBcaRK9gGYTOFBtKqhROvd5pV51jGHT0WbcLCxcq1iX+99BpmRQNCSpi Q1m0ijtsr2XzKpYnHJ5Gvt5ZOrADKtF80QJWY+E0cATrV0fZJYUbmV083okIjeqZz+mi PP9DdoJZxDXVZpHORvucrMD7fLlA3TWFVv4vziwajsCojMttC+c4DXpI/9/axnPoP+RZ WSBl+mX+ylFebH4EiTpUX7GRp2qDSe/SeUziMc1jNbpREjVdvJljnHhtNV/uOlgD7OXg eJLXuErdntTRZJWmG2Q7gBX9e/+ed64fwI1Eh0B/TATuJVsBHSq60I+UPkp/sj4jmizz Eg== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by mx0b-00069f02.pphosted.com with ESMTP id 39m3mhb2uk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 07 Jul 2021 02:44:42 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 1672aIHs007624; Wed, 7 Jul 2021 02:44:41 GMT Received: from nam04-mw2-obe.outbound.protection.outlook.com (mail-mw2nam08lp2168.outbound.protection.outlook.com [104.47.73.168]) by aserp3020.oracle.com with ESMTP id 39jfq9phdb-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 07 Jul 2021 02:44:41 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=c2ZDBDa/QeP4jWiln2UNfF7DQpb1vGlaEjaiqFEcVRRFvzcGxN97thdt2/Wo6oC4grJJVcyz11FpqecY17NoVhL1NZERuwNSCUupdKLfQhVKWjjNgiiYuv7TJYHKxUK6ewkxUYscrRfjGlBniCXCabDutuBWaI+RHKJVPmYjGRvhMU7TzwMHdty8BFMNwLLfQdQfdqw6PDS+xYa+gwUAJJvrp+23YQiITT51FHOkILSOfoYBLGkjqxNsyuc+3Ycifcmkf46h/uVTgw2mwqjpCXX7TrTJ+3L7YY9uZubBy2MVqdAgyg5d0NDKz2ZwiahAWOgTn+2amWNJBA3ByUq3nw== 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=AcJ5Vm/PFZfAwSMjIejgKMjx+s/HnRr7by4aEdvqO2c=; b=U+aWggSX0bl649EPagMZULRB7SYU0GDg4LaZRLhRGcjqgWFVrJHGjHge/baZeOVswYagd/VPk/prnT4r2dHUou2mOv7clKdv0t1rCe8lin4FSpr4Ag5GyIWsnHjoxrE7xliOBnsEPSTj3a17Nj31zWeThtdrFeRIOWsRUNqEb8G4ljmSeU/rAzOczZOozlNDgaBy4hDP8fYqhLrpATsu4crETI1qdYs7HjKgQF0lQq2LM7wiuSwS4VW8SYEkFiC8JimzEH+DCO3AkPW/MiAG2+902pDq6/iN9I/TdBPtbUdKs7ZLDyo2sAB2rMTKiiShlSlAfQs3+z8IYBF15j60+g== 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=AcJ5Vm/PFZfAwSMjIejgKMjx+s/HnRr7by4aEdvqO2c=; b=btr2BWwu/UKWS/sof6dldTrp+PdG0jZdnmR6h6zGJA/BO7HUQlhoLR6HBBZWclSw7/4+cfmGWS7TG/iO3i6ddpaxO7ihRTqoT7m3gcrPQG7VYtyKZQyY8qC6vkMfOymOot1oGCuVt/fyYLgub9cufesja4qAnkYeQCO2bY+bdOE= 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 CH2PR10MB3863.namprd10.prod.outlook.com (2603:10b6:610:c::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4287.24; Wed, 7 Jul 2021 02:44:39 +0000 Received: from CH2PR10MB4150.namprd10.prod.outlook.com ([fe80::a890:e571:de3a:7197]) by CH2PR10MB4150.namprd10.prod.outlook.com ([fe80::a890:e571:de3a:7197%8]) with mapi id 15.20.4287.027; Wed, 7 Jul 2021 02:44:39 +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 07/12] integrity: add add_to_mok_keyring Date: Tue, 6 Jul 2021 22:43:58 -0400 Message-Id: <20210707024403.1083977-8-eric.snowberg@oracle.com> X-Mailer: git-send-email 2.18.4 In-Reply-To: <20210707024403.1083977-1-eric.snowberg@oracle.com> References: <20210707024403.1083977-1-eric.snowberg@oracle.com> X-ClientProxiedBy: SJ0PR03CA0245.namprd03.prod.outlook.com (2603:10b6:a03:3a0::10) 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 (148.87.23.5) by SJ0PR03CA0245.namprd03.prod.outlook.com (2603:10b6:a03:3a0::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4308.20 via Frontend Transport; Wed, 7 Jul 2021 02:44:37 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: e59a91c6-577a-4970-00b6-08d940f12a31 X-MS-TrafficTypeDiagnostic: CH2PR10MB3863: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1303; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 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:(39860400002)(136003)(366004)(346002)(396003)(376002)(921005)(107886003)(6486002)(7696005)(316002)(66946007)(1076003)(44832011)(86362001)(38350700002)(6666004)(36756003)(83380400001)(186003)(4326008)(956004)(26005)(7416002)(8676002)(52116002)(2906002)(38100700002)(2616005)(8936002)(66476007)(5660300002)(478600001)(66556008);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: e59a91c6-577a-4970-00b6-08d940f12a31 X-MS-Exchange-CrossTenant-AuthSource: CH2PR10MB4150.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Jul 2021 02:44:39.0807 (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: DLNXBKUvFIypRQbH4M69DgGGEQu4i2PSJz/pahxvUYIHltu+qgqMLtONxhnENQIijLfaISS/Jj6opo72mab3Sz98NlOsMB3ZKv+NbKcGfPg= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR10MB3863 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=10037 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 spamscore=0 phishscore=0 mlxscore=0 bulkscore=0 malwarescore=0 adultscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2107070012 X-Proofpoint-GUID: sV4X-iYLqK-M82kNBRj1rJKkqvj-Maw6 X-Proofpoint-ORIG-GUID: sV4X-iYLqK-M82kNBRj1rJKkqvj-Maw6 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Add the ability to load MOK keys to the mok keyring. If the permssions do not allow the key to be added to the MOK keyring this is not an error, add it to the platform keyring instead. Signed-off-by: Eric Snowberg --- security/integrity/integrity.h | 4 ++++ .../integrity/platform_certs/mok_keyring.c | 21 +++++++++++++++++++ 2 files changed, 25 insertions(+) diff --git a/security/integrity/integrity.h b/security/integrity/integrity.h index 5126c80bd0d4..68720fa6454f 100644 --- a/security/integrity/integrity.h +++ b/security/integrity/integrity.h @@ -284,6 +284,7 @@ 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 destroy_mok_keyring(void); +void __init add_to_mok_keyring(const char *source, const void *data, size_t len); #else static inline void __init add_to_platform_keyring(const char *source, const void *data, size_t len) @@ -292,4 +293,7 @@ static inline void __init add_to_platform_keyring(const char *source, static inline void __init destroy_mok_keyring(void) { } +void __init add_to_mok_keyring(const char *source, const void *data, size_t len) +{ +} #endif diff --git a/security/integrity/platform_certs/mok_keyring.c b/security/integrity/platform_certs/mok_keyring.c index 666fa355996d..a5644a8a834c 100644 --- a/security/integrity/platform_certs/mok_keyring.c +++ b/security/integrity/platform_certs/mok_keyring.c @@ -28,6 +28,27 @@ void __init destroy_mok_keyring(void) return integrity_destroy_keyring(INTEGRITY_KEYRING_MOK); } +void __init add_to_mok_keyring(const char *source, const void *data, size_t len) +{ + key_perm_t perm; + int rc; + + perm = (KEY_POS_ALL & ~KEY_POS_SETATTR) | KEY_USR_VIEW; + rc = integrity_load_cert(INTEGRITY_KEYRING_MOK, source, data, len, perm); + + /* + * If the mok keyring restrictions prevented the cert from loading, + * this is not an error. Just load it into the platform keyring + * instead. + */ + if (rc) + rc = integrity_load_cert(INTEGRITY_KEYRING_PLATFORM, source, + data, len, perm); + + if (rc) + pr_info("Error adding keys to mok keyring %s\n", source); +} + /* * Try to load the MokListTrustedRT UEFI variable to see if we should trust * the mok keys within the kernel. It is not an error if this variable