From mboxrd@z Thu Jan 1 00:00:00 1970 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 28457C4332D for ; Thu, 11 Feb 2021 19:56:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E601864E5F for ; Thu, 11 Feb 2021 19:56:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231593AbhBKT4O (ORCPT ); Thu, 11 Feb 2021 14:56:14 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:40312 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230158AbhBKTzy (ORCPT ); Thu, 11 Feb 2021 14:55:54 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 11BJsCHr154301; Thu, 11 Feb 2021 14:55:13 -0500 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=6dRyKqGZUHozjXuXF/fjBdyYikmJKTxTNynC9njUecs=; b=sN627cxIMcZ4n8oK6mQRXjL1JKtuIzP2hdosj2b1o1C5dZtqiMtModEQb9e46dy6DaVy gPt14kofab++4vkCFsr1IUt2qFrjS0kdZc535gSuLs2rSP/HsdnZliYQcpFOlzDVcRb1 yadVn+Q78Vztv644ybXkT1e5zKSX4NhM5VdUoSP/5yadVmgf+XLeZkPXcASCk+t0QMZh NSeZ3ofgEvldCxtoLEXQaUM8O/1FlOcVqRccObgOHlD114+t1RZ70JkVhdxDXCl9/e6r CTZhMescejDEvhpiecJgybxpoeLLiU6DwYhPJHCng2o1Ft3UYnpHUUH6n4CH7cgZ9cbs Wg== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 36nb58g0v1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 11 Feb 2021 14:55:13 -0500 Received: from m0098404.ppops.net (m0098404.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 11BJsNF5155665; Thu, 11 Feb 2021 14:55:12 -0500 Received: from ppma06ams.nl.ibm.com (66.31.33a9.ip4.static.sl-reverse.com [169.51.49.102]) by mx0a-001b2d01.pphosted.com with ESMTP id 36nb58g0u3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 11 Feb 2021 14:55:12 -0500 Received: from pps.filterd (ppma06ams.nl.ibm.com [127.0.0.1]) by ppma06ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 11BJrQdq020274; Thu, 11 Feb 2021 19:55:10 GMT Received: from b06cxnps3075.portsmouth.uk.ibm.com (d06relay10.portsmouth.uk.ibm.com [9.149.109.195]) by ppma06ams.nl.ibm.com with ESMTP id 36j94wnae3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 11 Feb 2021 19:55:09 +0000 Received: from d06av24.portsmouth.uk.ibm.com (d06av24.portsmouth.uk.ibm.com [9.149.105.60]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 11BJt7S446203312 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 11 Feb 2021 19:55:07 GMT Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0CE5442045; Thu, 11 Feb 2021 19:55:07 +0000 (GMT) Received: from d06av24.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 22E494203F; Thu, 11 Feb 2021 19:55:05 +0000 (GMT) Received: from li-4b5937cc-25c4-11b2-a85c-cea3a66903e4.ibm.com.com (unknown [9.160.81.209]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 11 Feb 2021 19:55:04 +0000 (GMT) From: Nayna Jain To: linux-integrity@vger.kernel.org, keyrings@vger.kernel.org Cc: linux-security-module@vger.kernel.org, David Howells , Jarkko Sakkinen , Mimi Zohar , Linux Kernel Mailing List , Nayna Jain Subject: [PATCH 3/5] ima: update kernel module signing process during build Date: Thu, 11 Feb 2021 14:54:33 -0500 Message-Id: <20210211195435.135582-4-nayna@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210211195435.135582-1-nayna@linux.ibm.com> References: <20210211195435.135582-1-nayna@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369,18.0.737 definitions=2021-02-11_07:2021-02-11,2021-02-11 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 mlxscore=0 priorityscore=1501 mlxlogscore=999 malwarescore=0 spamscore=0 phishscore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2102110151 Precedence: bulk List-ID: The kernel build process currently only signs kernel modules when MODULE_SIG is enabled. Also, sign the kernel modules at build time when IMA_APPRAISE_MODSIG is enabled. Signed-off-by: Nayna Jain --- certs/Kconfig | 2 +- init/Kconfig | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/certs/Kconfig b/certs/Kconfig index c94e93d8bccf..48675ad319db 100644 --- a/certs/Kconfig +++ b/certs/Kconfig @@ -4,7 +4,7 @@ menu "Certificates for signature checking" config MODULE_SIG_KEY string "File name or PKCS#11 URI of module signing key" default "certs/signing_key.pem" - depends on MODULE_SIG + depends on MODULE_SIG || IMA_APPRAISE_MODSIG help Provide the file name of a private key/certificate in PEM format, or a PKCS#11 URI according to RFC7512. The file should contain, or diff --git a/init/Kconfig b/init/Kconfig index 29ad68325028..68147bbda5f9 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -2162,7 +2162,7 @@ config MODULE_SIG_FORCE config MODULE_SIG_ALL bool "Automatically sign all modules" default y - depends on MODULE_SIG + depends on MODULE_SIG || IMA_APPRAISE_MODSIG help Sign all modules during make modules_install. Without this option, modules must be signed manually, using the scripts/sign-file tool. @@ -2172,7 +2172,7 @@ comment "Do not forget to sign required modules with scripts/sign-file" choice prompt "Which hash algorithm should modules be signed with?" - depends on MODULE_SIG + depends on MODULE_SIG || IMA_APPRAISE_MODSIG help This determines which sort of hashing algorithm will be used during signature generation. This algorithm _must_ be built into the kernel @@ -2204,7 +2204,7 @@ endchoice config MODULE_SIG_HASH string - depends on MODULE_SIG + depends on MODULE_SIG || IMA_APPRAISE_MODSIG default "sha1" if MODULE_SIG_SHA1 default "sha224" if MODULE_SIG_SHA224 default "sha256" if MODULE_SIG_SHA256 -- 2.18.1