From patchwork Tue Sep 14 21:14:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Snowberg X-Patchwork-Id: 12494833 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 1F3AFC433EF for ; Tue, 14 Sep 2021 21:15:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 059DC61213 for ; Tue, 14 Sep 2021 21:15:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234998AbhINVQv (ORCPT ); Tue, 14 Sep 2021 17:16:51 -0400 Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]:58208 "EHLO mx0b-00069f02.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234524AbhINVQg (ORCPT ); Tue, 14 Sep 2021 17:16:36 -0400 Received: from pps.filterd (m0246630.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 18EKxZV9025999; Tue, 14 Sep 2021 21:14:51 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=G08I8vxFY8p4pmLHQZKwPUoN1TqrvrDJyza060cmXIg=; b=g6x3JZortoJ4lXQ+TzpdcpRVFjCBxXQvn/SToAgGpHcxfkpPdKWcZgZWFvXxh+r8nW7U lJOQ2m5iD7KhOuzaG8bxyKdKNEo0DPfk2/aO1Gtgid4Du17hhW6gqrB/GR8sh0tC2pbt EdojwHz4Ea9J9tgF4E5CIgG0KmcYJa1tFqxggvnPOQ+YecYleqNH4c8RT5G7mJV02cen W4Yvsw0TtBsDUe/T0dQbkhPO6aWPiDYRP3BmQQlzRy1Z3h3Z6gaAUc+UqVy3PQMAHJmx G/NyjvOUqP9GrqVfUIUAQKmEeCQASy06aZZ3QtehXRCsjGTYp6OezR7ZOpq/T0gkkhVs mg== 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=G08I8vxFY8p4pmLHQZKwPUoN1TqrvrDJyza060cmXIg=; b=C0ltxTovQd3sjEP/JGEpPrMqSKH3ZA+d/nysZuqOWPLhM6FuV1lQ1iB7P9bm83PJpuQg qFA1bSb+QlsD0gr4m1RlnrBrNsqfgHSlRKnIPcj6UxGoloCLeto4mXVMYJ+eLMoyv6rV oS0J8e6UrNKLBDCnK3G7aqOxdtXvOZDjCx5pllj7+fd6TS6JVtuad6bd1r7cs1xsdxyh iIlwtOtysk+X0UYZx/M55svWvKAVgDasnnQRvlrWIrxDOlyVIlzyqIOV0pM8dmeuhh9s 0C6Xyf/KHQZSFTOmKcaOHHck0xbltM267tfVLelzOeJCpv7B0yheRVpvRDYM6eZpTMS7 bw== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by mx0b-00069f02.pphosted.com with ESMTP id 3b2j4sbcy7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 14 Sep 2021 21:14:51 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 18ELAXOE054934; Tue, 14 Sep 2021 21:14:50 GMT Received: from nam10-dm6-obe.outbound.protection.outlook.com (mail-dm6nam10lp2100.outbound.protection.outlook.com [104.47.58.100]) by aserp3030.oracle.com with ESMTP id 3b0jgdpk0j-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 14 Sep 2021 21:14:50 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=SMkBHLsjpfuozyqf5KG/Bh4DuDBUCAdZmmYSjZFXD1ii8xxLENCgk1Cj/NkG8KpRTWVwQx3gX/aMexDym6B85zaiv2BTLpCpPt3Jg5GJKhMYjh2/o2B9zWY5xwRWMEjLoU0VKACuxy6tophfsrhFosU/moL8tViYd00v0dfWMIh0kw7dhcbBeARvNpGE4ZW3Eih0Y7dgDUlzBpxRbh4Hz0izWflmgX/jEOw4vCu4122LMe50yqH0c/BDZHk+0LElBtWdA4ud4PQcza59KnccZgi+NN0SPj09ribRw6pz7JSDRSEJ1B2xhX83oTyypPtgWkSDX1y/4ItZyHlAqRNsag== 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; bh=G08I8vxFY8p4pmLHQZKwPUoN1TqrvrDJyza060cmXIg=; b=KsPyCztUKrZwi3sc5FfTPwR3mVf6cBsHliQ9gTBSWqJpMdBfMxv1Hoj3rSWmCqUjOdMQKObzspoR5TqM53ttNfJAhd2Sm0wcw3vsZmQ6lTaSuJ+tVzsiDg0C0Uh3sx6IhXirSM7a6zmcTLOiN7E1LDF1m63hkoMqt2yqRcnrJocalr8Js6U5bc5yriUzMAn/QfHsP+Giu22iTbKe8NIXKV/1k1pJZDDGmydaApraIha4NRV2wOs4rLwqPe+PGYxPHsS6ZcuvvP+DezUjizd/WM+QhbSK5XmTpe9sWhFCtqPnobt2xz678C36DQsDNaBDP7PJfYN78rLoiuy7pMesOw== 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=G08I8vxFY8p4pmLHQZKwPUoN1TqrvrDJyza060cmXIg=; b=u2x7/681HO6grNyMxdmgeRh9oDx+Ovc4JXsDhon2TCZl8S55oPu+iZLCinXWbWKQPVgHx8KIemGWwTSYXPMrmbNSimDA8xxGSzUxgcDQVUZTGZfWcCU7KaCmdOIXSQtv8n9XOVtESMmcSrEe1Qn3BuZy68HqKi1WZi+luruaggU= 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 CH0PR10MB4908.namprd10.prod.outlook.com (2603:10b6:610:cb::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.14; Tue, 14 Sep 2021 21:14:49 +0000 Received: from CH2PR10MB4150.namprd10.prod.outlook.com ([fe80::340c:c4d9:1efa:5bc7]) by CH2PR10MB4150.namprd10.prod.outlook.com ([fe80::340c:c4d9:1efa:5bc7%8]) with mapi id 15.20.4500.019; Tue, 14 Sep 2021 21:14:49 +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, konrad.wilk@oracle.com Subject: [PATCH v6 05/13] integrity: add new keyring handler for mok keys Date: Tue, 14 Sep 2021 17:14:08 -0400 Message-Id: <20210914211416.34096-6-eric.snowberg@oracle.com> X-Mailer: git-send-email 2.18.4 In-Reply-To: <20210914211416.34096-1-eric.snowberg@oracle.com> References: <20210914211416.34096-1-eric.snowberg@oracle.com> X-ClientProxiedBy: SN7PR04CA0165.namprd04.prod.outlook.com (2603:10b6:806:125::20) To CH2PR10MB4150.namprd10.prod.outlook.com (2603:10b6:610:ac::13) MIME-Version: 1.0 Received: from localhost.us.oracle.com (148.87.23.5) by SN7PR04CA0165.namprd04.prod.outlook.com (2603:10b6:806:125::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4523.14 via Frontend Transport; Tue, 14 Sep 2021 21:14:46 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b546c13d-bb10-495c-4f46-08d977c4af4c X-MS-TrafficTypeDiagnostic: CH0PR10MB4908: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4941; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 2o24KZKf4CSp++ciR6mDFDafKvuI/nXAda0uy2MZd8e+LprJuK3L7OiViiieuOHVW4GElC56s+0aNF6oudh2ezFPkSI4yGcre9+b/IF1xbcZf57PYvz2YGei1WgoXohbB1J3E0lUXemNkATEovs6fO1JFvVJreCmziZitb63KTKDeSkKf8YSXnhaypg0p0klAcpp4zES6XoG9htuxnQJpQGnE4sRj0jzyTks61x2dbhcc8al9+r9hS9meNd1vLPtxUvSvCdiDVFjbxOhw5YSwFPOJD/UyB4q5vymEjEQGZF87r6TT6kGrAGYiR29KuoDEWFsYCI78CVGBEvS5bCw1YFTpwdQKpCO0FggckfAlE6rU9ADF1C5L9A7x9ofQOXPfCfUVkdegPmawxlapVkUpgsiqX7Lh7i0TT7n92YtgnBhs1vf8B9MSi48bXEEz2NUZjTTOdWcuXRbqYYSaGafG4Ry7bJeSzNuWQI2SNk/Fcx6C1nB5HULNJ247rHcaeAKACPwWsG6hLXAH0tPK6o+pLDaVCb9ZUVPMJlN+YewHaRACHZ4ujv0o+Oe+ZGLDi4zz2vBSV/lo4QOBGGLbgwcjbVHBHDYsSX/npFRH/BbvdtNfgvjkcWIU9m6N8KqO+7wBqAXaxMLJJqfsSdQq1x86Tmhh8xIfSaOetow0BmegsKRftjIwnhDivoeemQpfq5WJI0ZYMFSpg2s48v/c0AxxhK17m8S6orh/UZcY4xTa0w= 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:(366004)(396003)(376002)(39860400002)(136003)(346002)(6486002)(4326008)(6666004)(2906002)(44832011)(7416002)(36756003)(66556008)(2616005)(8936002)(66946007)(52116002)(921005)(956004)(478600001)(86362001)(38100700002)(107886003)(38350700002)(26005)(83380400001)(1076003)(8676002)(66476007)(7696005)(5660300002)(316002)(186003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: kClWp9CuxIT6IwMiX7JbHzF/WcgLcJR1I+FadzybEJ4GnGsFdLbESaX/l1wH6OSr+jAiD3Fg5S9INN49LFiiAbRr9nCepEKYovWguSnvvCt5bYKguXO1QWe2HMc53xM5s4mZCEvSLkhs+C2ii+aeA30WLwzGYfnbMt7KrYvthFjRdQj8/8OrWxejkwGJ+WeVGhirhc/wInhv2kA693NTbv3ewnhuJHJRRPnBp+TFmgmgJJd8LZm17zC0eF9RyXL3QPu/9SmLFaZeybhiS4A9GPZe63utnHZuWgAzznUgJQdTl1Y7+WeUfBTp0DZ1AazigQilwueLhb6F7CEwIjxPpZeYG05Yg8EAYJcWQjoD90PYeri5CCYFwcfNaUuFbwS3YwzLxwwW1saIg2QUyEhV6bgINZbDQclsF0LF9rjruRHlYHu8ltaYnhsPrVVZXT32Kcf00SPp3uGLSfQR3cwbL9Vsd/p3E9V8n/UGOZHZUaBLUHd6ZF0w8PLvSUQ/XtEBNWMZNtYqaHzA+nUVDD7azpX1c+Mr7wicCBRoHBEY1MdfJhz+hNCUOXDaXIeqCx34usU0HQZhg6y0T0ZglyehB9Z43MZXYBRMYUror7EzTpwEZKiItrFXP0h/QvDSaP0k6yCuxx0X5aHwQH+uEphmBRZtcZkA0AENmJxvjKQKtqTiYnFCFADvnOzzSix/ZFN2Gn3c7DzxTakRox1/rmCPyP5vln/M4b6QKrd75KowErU+wB0kvujHr0tFduNUfVELjmQGL2JaZi19FACSNnd30lJ46DzldG2BwC7WFCVodXj3r61iHPxUhxPu0nfc04fhyiyagHtqNIIZtWJaBTFzvYUX4PYDc+jXvlsOoXcxt8A/3yGZuitITR7oxs4ugRTcZiIqGuqkAYPClVDTOZxAnBlyj5dxroIQ/VNX1UMIeSiwGnY3PUejepH4qxdGrYrOVB1nPg2RaRkl+7gPFMGhTzN2jJG7Ph2+UbBG0Cn4m3jtrcM+LK0DQkRtsP5ndqrIpuuace0EskcPwty/HuYba7CdDq3qhf8GTScIVRdmVYP+VImVlsVVcMSJJTLBzgyBP+oTRiolkbB5k6xoDyKpF/vvY9di0uTZXLE72OunMtoI3tbvUviAVoIYkHr+g8lrCjKRaRqvsEWqW4K/tEmTTER0Ofyc4i60lHQeR81p3dKjwYEJjzOlVmW0Ok8KOGXZKN0JZg/fFCYWlPa6pgkACHhEfSITn3Wlx1kF62dUJGcRHUHow1NcI6w2GpK9mbidtlYgVe1a6uyaKswJ5YuExRbfTDWxXf4vkWg9bSfmYqtAE6qjyYwe7Y6taqoR4NDA X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: b546c13d-bb10-495c-4f46-08d977c4af4c X-MS-Exchange-CrossTenant-AuthSource: CH2PR10MB4150.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Sep 2021 21:14:48.9876 (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: /QNAF+dUVhQP/MxUjnDjyz0iQYVNvizNspggPAPl2wwPRWfL1QPsyUMHKizhBtrcH9hUD7CIK5WLO0CcQ3GIrRjCqpn2YEVyDKReZza4+o8= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR10MB4908 X-Proofpoint-Virus-Version: vendor=nai engine=6300 definitions=10107 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 bulkscore=0 spamscore=0 phishscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2109030001 definitions=main-2109140123 X-Proofpoint-ORIG-GUID: Pju297uP-W8eqjYgIgSJ5Tyck8VSHmp- X-Proofpoint-GUID: Pju297uP-W8eqjYgIgSJ5Tyck8VSHmp- Precedence: bulk List-ID: X-Mailing-List: keyrings@vger.kernel.org Currently both Secure Boot DB and Machine Owner Keys (MOK) go through the same keyring handler (get_handler_for_db). With the addition of the new machine keyring, the end-user may choose to trust MOK keys. Introduce a new keyring handler specific for MOK keys. If MOK keys are trusted by the end-user, use the new keyring handler instead. Signed-off-by: Eric Snowberg Reported-by: kernel test robot --- v1: Initial version v3: Only change the keyring handler if the secondary is enabled v4: Removed trust_moklist check v5: Rename to machine keyring v6: Unmodified from v5 --- .../integrity/platform_certs/keyring_handler.c | 17 ++++++++++++++++- .../integrity/platform_certs/keyring_handler.h | 5 +++++ security/integrity/platform_certs/load_uefi.c | 4 ++-- 3 files changed, 23 insertions(+), 3 deletions(-) diff --git a/security/integrity/platform_certs/keyring_handler.c b/security/integrity/platform_certs/keyring_handler.c index 5604bd57c990..445d413aec74 100644 --- a/security/integrity/platform_certs/keyring_handler.c +++ b/security/integrity/platform_certs/keyring_handler.c @@ -66,7 +66,7 @@ static __init void uefi_revocation_list_x509(const char *source, /* * Return the appropriate handler for particular signature list types found in - * the UEFI db and MokListRT tables. + * the UEFI db tables. */ __init efi_element_handler_t get_handler_for_db(const efi_guid_t *sig_type) { @@ -75,6 +75,21 @@ __init efi_element_handler_t get_handler_for_db(const efi_guid_t *sig_type) return 0; } +/* + * Return the appropriate handler for particular signature list types found in + * the MokListRT tables. + */ +__init efi_element_handler_t get_handler_for_mok(const efi_guid_t *sig_type) +{ + if (efi_guidcmp(*sig_type, efi_cert_x509_guid) == 0) { + if (IS_ENABLED(CONFIG_INTEGRITY_MACHINE_KEYRING)) + return add_to_machine_keyring; + else + return add_to_platform_keyring; + } + return 0; +} + /* * Return the appropriate handler for particular signature list types found in * the UEFI dbx and MokListXRT tables. diff --git a/security/integrity/platform_certs/keyring_handler.h b/security/integrity/platform_certs/keyring_handler.h index 2462bfa08fe3..284558f30411 100644 --- a/security/integrity/platform_certs/keyring_handler.h +++ b/security/integrity/platform_certs/keyring_handler.h @@ -24,6 +24,11 @@ void blacklist_binary(const char *source, const void *data, size_t len); */ efi_element_handler_t get_handler_for_db(const efi_guid_t *sig_type); +/* + * Return the handler for particular signature list types found in the mok. + */ +efi_element_handler_t get_handler_for_mok(const efi_guid_t *sig_type); + /* * Return the handler for particular signature list types found in the dbx. */ diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c index f290f78c3f30..c1bfd1cd7cc3 100644 --- a/security/integrity/platform_certs/load_uefi.c +++ b/security/integrity/platform_certs/load_uefi.c @@ -94,7 +94,7 @@ static int __init load_moklist_certs(void) rc = parse_efi_signature_list("UEFI:MokListRT (MOKvar table)", mokvar_entry->data, mokvar_entry->data_size, - get_handler_for_db); + get_handler_for_mok); /* All done if that worked. */ if (!rc) return rc; @@ -109,7 +109,7 @@ static int __init load_moklist_certs(void) mok = get_cert_list(L"MokListRT", &mok_var, &moksize, &status); if (mok) { rc = parse_efi_signature_list("UEFI:MokListRT", - mok, moksize, get_handler_for_db); + mok, moksize, get_handler_for_mok); kfree(mok); if (rc) pr_err("Couldn't parse MokListRT signatures: %d\n", rc);