From patchwork Fri May 31 00:39:38 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Snowberg X-Patchwork-Id: 801308 Received: from mx0a-00069f02.pphosted.com (mx0a-00069f02.pphosted.com [205.220.165.32]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BCA5A4405; Fri, 31 May 2024 00:41:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=205.220.165.32 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717116102; cv=fail; b=mVzIQ+T6jNkaSFQrb/JfnrWtMR463q//IYEXdF5JsLUUiutLgNEH/VIXGxiFhe3w/boyWwmdxemBBrnd18DKuW5ukVBRgCWl02t0pXXY/uYOcxNljzdMTs58kxDZls4zoGiRw4T4YZgFHarRyy6qhkTn0ZhdndphaaSs71PPLKU= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717116102; c=relaxed/simple; bh=GF4vGSeapOvgFn2kVLd2qCpV4w1dLINDA4qw7PXRRhM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=Q6jgq0ZKfZlY9HXz/B6ChgRc5NFA4gT6IHTOD8p1D2LS0MUJpfUQPCX822G0ZWHN682wYzna1BdnGoiV9A1mJStJ5dFSBYSrlkFlHam0U9n6/L+Q6mN130oq8BgGnV5VGhdy0XY5P/21YBrjaJEd3uvElTD1aPymqyXvMbBUtfA= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=oracle.com; spf=pass smtp.mailfrom=oracle.com; arc=fail smtp.client-ip=205.220.165.32 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=oracle.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oracle.com Received: from pps.filterd (m0333521.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 44UEffSQ005706; Fri, 31 May 2024 00:40:01 GMT DKIM-Signature: =?utf-8?q?v=3D1=3B_a=3Drsa-sha256=3B_c=3Drelaxed/relaxed=3B_?= =?utf-8?q?d=3Doracle=2Ecom=3B_h=3Dcc=3Acontent-transfer-encoding=3Acontent-?= =?utf-8?q?type=3Adate=3Afrom=3Ain-reply-to=3Amessage-id=3Amime-version=3Are?= =?utf-8?q?ferences=3Asubject=3Ato=3B_s=3Dcorp-2023-11-20=3B_bh=3Ddxiaq3H3Fq?= =?utf-8?q?3NhFKy9H6ozROysNx/PpOwBwQ5YeQurPY=3D=3B_b=3DLn5/0ITy07SmGV9kFPyAz?= =?utf-8?q?k1jNuYheS5dhjOXtAPVtPl+aTcQx0jrHlZxr4CvHRgfCpN2_pPiLd8SBuvAGyvAH6?= =?utf-8?q?+ujCVtK5r4yeY3GUYtpo59UDyGpUnOP699FxPKp6vzZHpbnybrf_2C8FRwU1tFKU1?= =?utf-8?q?CjThG8AhVMaS/DbQr4r0ueuy5Pj+GIHqEYnGSxP/Vzg4jhxUmLlYsLj_THi8a2JtP?= =?utf-8?q?yePox+etwUFZw3jXDIevIBcX/0gEF5R3IgOAufNxOUk9cprGylzRxs6/Fzu_I0FYi?= =?utf-8?q?wukwQpfsZJTU1Vge7BZXTnlJVe9IJbNQLda0uJGDq2XQ8jkHLh9UZk0JNMVtVaW_9?= =?utf-8?q?w=3D=3D_?= Received: from phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (phxpaimrmta01.appoci.oracle.com [138.1.114.2]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3yb8g4a61m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 31 May 2024 00:40:01 +0000 Received: from pps.filterd (phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com [127.0.0.1]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 44UMfwEq026627; Fri, 31 May 2024 00:40:00 GMT Received: from nam12-dm6-obe.outbound.protection.outlook.com (mail-dm6nam12lp2169.outbound.protection.outlook.com [104.47.59.169]) by phxpaimrmta01.imrmtpd1.prodappphxaev1.oraclevcn.com (PPS) with ESMTPS id 3yc5098hkr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 31 May 2024 00:40:00 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=dzmXIxQ8OVmGBgP8hb3iA431xaY7Dq2EpxsRw41K0IKmMt7myO2xESmq+yKOr9ginjShqT/gvfaXoaZBAPRKrxr5L7iKvIkuqyIx53sfwHssKsoW0nMZWNyU5z7u1a8ip2M5ILRh2A+PqpBBvOGkbTQj2lO/TtEoyLpNKZqo7nyM5dDutE1UeXbVSPzMJGWXyqFN1wRJs7eWlp+nmlA5t4WQg1PBqK4VvXZJNwNOoGRCBGO+yJY6WH/SJDeKgQWfytBIPuJ573R4Co/3dmfnH3VJtGR+XP2APy5XwZiGEbMMP2T3/u32NajKonm0Ta3mbxI75x+MXkUHgujNJufWpQ== 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-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=dxiaq3H3Fq3NhFKy9H6ozROysNx/PpOwBwQ5YeQurPY=; b=GU+1bE6FBnCHQ+yUfKq144YfA9fkgd27RCZGYrR/HSo5KztvF3yvH81TGIPhCxtS7TCdCs1s0/EL8rTGPovDY74Wm+zu1br6UAkmQfwrfTezozs8+6aAJGWIrO4AOQI6XUe1Hl5ueLe1P9CZ1Rmwj6TmBynsZTOiac8oJ2D7/oRk27lpWryXXX4Jqf3PHRvBu2PkmZpf9JV+en1Hajcpw19FZgfVIfo1dlT4waxzGhUCHfV1DASfereraHHq9yqo448CTMogDTujW3Jw3stqHZ/kj/fhvFF61VeDnWUqPVtUTprY8NRzyYnNnqvHo+MosOZ6XZGJeQ4Aj0Jc0apKjQ== 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=dxiaq3H3Fq3NhFKy9H6ozROysNx/PpOwBwQ5YeQurPY=; b=omZQVmE5xmH3ASOBl/ECOJd3/BMl2fP4TcW9ZJ8gtLQmKR6jZkMCAejxcAmN7a3oIapZoJH85jxtmubAyvFJMfLzP0dsMfurVVd8XtE286llu7e6XwP4vWlUcP8gQSlNk8P33sE1piznzbt1M8yPzf5hWXTxPIKpCzTDEuWu9OA= Received: from CH2PR10MB4150.namprd10.prod.outlook.com (2603:10b6:610:ac::13) by BY5PR10MB4274.namprd10.prod.outlook.com (2603:10b6:a03:206::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7633.22; Fri, 31 May 2024 00:39:55 +0000 Received: from CH2PR10MB4150.namprd10.prod.outlook.com ([fe80::5527:ab55:d1e7:9c9a]) by CH2PR10MB4150.namprd10.prod.outlook.com ([fe80::5527:ab55:d1e7:9c9a%4]) with mapi id 15.20.7633.018; Fri, 31 May 2024 00:39:55 +0000 From: Eric Snowberg To: linux-security-module@vger.kernel.org Cc: dhowells@redhat.com, dwmw2@infradead.org, herbert@gondor.apana.org.au, davem@davemloft.net, ardb@kernel.org, jarkko@kernel.org, paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com, zohar@linux.ibm.com, roberto.sassu@huawei.com, dmitry.kasatkin@gmail.com, mic@digikod.net, casey@schaufler-ca.com, stefanb@linux.ibm.com, eric.snowberg@oracle.com, ebiggers@kernel.org, rdunlap@infradead.org, linux-kernel@vger.kernel.org, keyrings@vger.kernel.org, linux-crypto@vger.kernel.org, linux-efi@vger.kernel.org, linux-integrity@vger.kernel.org Subject: [RFC PATCH v2 1/8] certs: Introduce ability to link to a system key Date: Thu, 30 May 2024 18:39:38 -0600 Message-ID: <20240531003945.44594-2-eric.snowberg@oracle.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240531003945.44594-1-eric.snowberg@oracle.com> References: <20240531003945.44594-1-eric.snowberg@oracle.com> X-ClientProxiedBy: BYAPR06CA0032.namprd06.prod.outlook.com (2603:10b6:a03:d4::45) To CH2PR10MB4150.namprd10.prod.outlook.com (2603:10b6:610:ac::13) Precedence: bulk X-Mailing-List: linux-efi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR10MB4150:EE_|BY5PR10MB4274:EE_ X-MS-Office365-Filtering-Correlation-Id: d2ef8dc0-a1a9-47dc-dfff-08dc810a30f2 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230031|376005|366007|1800799015|7416005; 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:(13230031)(376005)(366007)(1800799015)(7416005); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-ExternalHop-MessageData-0: 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 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-Network-Message-Id: d2ef8dc0-a1a9-47dc-dfff-08dc810a30f2 X-MS-Exchange-CrossTenant-AuthSource: CH2PR10MB4150.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 May 2024 00:39:55.2397 (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: 4cNwofvojJqIbdy3jSQdGes6RVFXtso5A03VBcL/dYTci3po4qkCZ4JREY9cBbe176DlFzmbvmg8Z/b2i1MDFF57vgciE803YaP92WjKXLU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY5PR10MB4274 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.650,FMLib:17.12.28.16 definitions=2024-05-30_21,2024-05-30_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxlogscore=999 mlxscore=0 adultscore=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2405010000 definitions=main-2405310002 X-Proofpoint-GUID: cZNSQUa0p7ntgEWo6e5yWTgiWunZA6_k X-Proofpoint-ORIG-GUID: cZNSQUa0p7ntgEWo6e5yWTgiWunZA6_k Introduce a new function to allow a keyring to link to a key contained within one of the system keyrings (builtin, secondary, or platform). Depending on how the kernel is built, if the machine keyring is available, it will be checked as well, since it is linked to the secondary keyring. If the asymmetric key id matches a key within one of these system keyrings, the matching key is linked into the passed in keyring. Signed-off-by: Eric Snowberg --- certs/system_keyring.c | 31 +++++++++++++++++++++++++++++++ include/keys/system_keyring.h | 7 ++++++- 2 files changed, 37 insertions(+), 1 deletion(-) diff --git a/certs/system_keyring.c b/certs/system_keyring.c index 9de610bf1f4b..94e47b6b3333 100644 --- a/certs/system_keyring.c +++ b/certs/system_keyring.c @@ -426,3 +426,34 @@ void __init set_platform_trusted_keys(struct key *keyring) platform_trusted_keys = keyring; } #endif + +/** + * system_key_link - Link to a system key + * @keyring: The keyring to link into + * @id: The asymmetric key id to look for in the system keyring + */ +int system_key_link(struct key *keyring, struct asymmetric_key_id *id) +{ + struct key *system_keyring; + struct key *key; + +#ifdef CONFIG_SECONDARY_TRUSTED_KEYRING + system_keyring = secondary_trusted_keys; +#else + system_keyring = builtin_trusted_keys; +#endif + + key = find_asymmetric_key(system_keyring, id, NULL, NULL, false); + if (!IS_ERR(key)) + goto found; + + key = find_asymmetric_key(platform_trusted_keys, id, NULL, NULL, false); + if (!IS_ERR(key)) + goto found; + + return -ENOKEY; + +found: + key_link(keyring, key); + return 0; +} diff --git a/include/keys/system_keyring.h b/include/keys/system_keyring.h index 8365adf842ef..b47ac8e2001a 100644 --- a/include/keys/system_keyring.h +++ b/include/keys/system_keyring.h @@ -9,6 +9,7 @@ #define _KEYS_SYSTEM_KEYRING_H #include +struct asymmetric_key_id; enum blacklist_hash_type { /* TBSCertificate hash */ @@ -28,7 +29,7 @@ int restrict_link_by_digsig_builtin(struct key *dest_keyring, const union key_payload *payload, struct key *restriction_key); extern __init int load_module_cert(struct key *keyring); - +extern int system_key_link(struct key *keyring, struct asymmetric_key_id *id); #else #define restrict_link_by_builtin_trusted restrict_link_reject #define restrict_link_by_digsig_builtin restrict_link_reject @@ -38,6 +39,10 @@ static inline __init int load_module_cert(struct key *keyring) return 0; } +static inline int system_key_link(struct key *keyring, struct asymmetric_key_id *id) +{ + return 0; +} #endif #ifdef CONFIG_SECONDARY_TRUSTED_KEYRING