From patchwork Sun Aug 13 02:15:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nayna Jain X-Patchwork-Id: 13351979 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9DEC7C0015E for ; Sun, 13 Aug 2023 02:16:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230208AbjHMCQC (ORCPT ); Sat, 12 Aug 2023 22:16:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60888 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229839AbjHMCP7 (ORCPT ); Sat, 12 Aug 2023 22:15:59 -0400 Received: from mx0b-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A480D7; Sat, 12 Aug 2023 19:16:02 -0700 (PDT) Received: from pps.filterd (m0353724.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37D26frd006382; Sun, 13 Aug 2023 02:15:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding; s=pp1; bh=+Ki1oKIwDxjtgyY+7vdefE9L5j5AW/bixMirZNbv5xM=; b=ZvjUsqPb1P7t4n9Na9JpD/dIC8opKoZDsGPu7gATYUcBLXq/z93zoAecqipGkipIaI8w wgU1XZGCYXmPkvbDdlH4ztxpsLTq802IZ5Avoj35J88m4Zh1AMU0GCDFCdMGzhrYC4P/ krDX+YUXfsLZ4IDWnEpsOy3dKouZ1c420LYvePQa7JXBg+S8b9gHoXNJEiX6l8JgqXj4 AqbcNAN25B3UIf4RsazNba81DNWSW3SZ+WpKIAHQb7N5k12Ytc9PlxZRuvGmJcj7nWYs LkAaicEH7OR+gBAuKtiS5sCiRYIUrZMnBqzJWhvgE8ovlgJj0vKDGQsUvZh7jo/lOnvI iQ== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3senyj0ag4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 13 Aug 2023 02:15:48 +0000 Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 37D1GYBx017899; Sun, 13 Aug 2023 02:15:47 GMT Received: from smtprelay02.fra02v.mail.ibm.com ([9.218.2.226]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 3se376qb3g-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 13 Aug 2023 02:15:47 +0000 Received: from smtpav07.fra02v.mail.ibm.com (smtpav07.fra02v.mail.ibm.com [10.20.54.106]) by smtprelay02.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 37D2Fi1x21037618 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 13 Aug 2023 02:15:45 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D43AA2004B; Sun, 13 Aug 2023 02:15:44 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C328620040; Sun, 13 Aug 2023 02:15:42 +0000 (GMT) Received: from li-4b5937cc-25c4-11b2-a85c-cea3a66903e4.ibm.com (unknown [9.61.3.84]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Sun, 13 Aug 2023 02:15:42 +0000 (GMT) From: Nayna Jain To: linux-integrity@vger.kernel.org Cc: Mimi Zohar , Jarkko Sakkinen , Eric Snowberg , Paul Moore , linux-security-module@vger.kernel.org, linuxppc-dev , linux-kernel@vger.kernel.org, Nayna Jain Subject: [PATCH v3 2/6] integrity: ignore keys failing CA restrictions on non-UEFI platform Date: Sat, 12 Aug 2023 22:15:27 -0400 Message-Id: <20230813021531.1382815-3-nayna@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20230813021531.1382815-1-nayna@linux.ibm.com> References: <20230813021531.1382815-1-nayna@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 49hTOhTodGLnNVQfdBd1ia4D0jdHCKer X-Proofpoint-GUID: 49hTOhTodGLnNVQfdBd1ia4D0jdHCKer X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-08-12_27,2023-08-10_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 malwarescore=0 phishscore=0 impostorscore=0 adultscore=0 mlxscore=0 lowpriorityscore=0 mlxlogscore=999 spamscore=0 suspectscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2306200000 definitions=main-2308130016 Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org On non-UEFI platforms, handle restrict_link_by_ca failures differently. Certificates which do not satisfy CA restrictions on non-UEFI platforms are ignored. Signed-off-by: Nayna Jain Reviewed-and-tested-by: Mimi Zohar Acked-by: Jarkko Sakkinen --- security/integrity/platform_certs/machine_keyring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/security/integrity/platform_certs/machine_keyring.c b/security/integrity/platform_certs/machine_keyring.c index 7aaed7950b6e..389a6e7c9245 100644 --- a/security/integrity/platform_certs/machine_keyring.c +++ b/security/integrity/platform_certs/machine_keyring.c @@ -36,7 +36,7 @@ void __init add_to_machine_keyring(const char *source, const void *data, size_t * If the restriction check does not pass and the platform keyring * is configured, try to add it into that keyring instead. */ - if (rc && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) + if (rc && efi_enabled(EFI_BOOT) && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) rc = integrity_load_cert(INTEGRITY_KEYRING_PLATFORM, source, data, len, perm);