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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4DD45C433FE for ; Tue, 30 Nov 2021 17:42:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245021AbhK3Rpi (ORCPT ); Tue, 30 Nov 2021 12:45:38 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:41568 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S244999AbhK3Rph (ORCPT ); Tue, 30 Nov 2021 12:45:37 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 1AUHOUHx024251; Tue, 30 Nov 2021 17:42:03 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=pp1; bh=VoPsW5UCQ7LEcy09whRgPcyRSdphbFWAjuSHcu35uMs=; b=bHOMmaQ5JEf3AwNKgz2QV74UfF8XcwXjqvMIElKXNfOU9NfWnb8HswLf+q4tXjaQihTJ F6ZmKOyUd3oqFk1wZ1OSYg5OcxfyFp4eAeVprQGgn12SujXrW6W+yCB3YQbmNmpCgSXm YRYOPNZ3AFnKChB+8Pp0RHdzR/pgtIsf6boeEydB5c1yd/KFJ9tf7OjasRX2Hy7rafsY MuXN/yqpqUWbqH6v2jWjlOKOfNhAPWSy3u+Q8VFCVE3KYbuqYYCi60DfNZqYavyC6ia/ oXEG7aJLwsTHnllkzRo4QLXRndhwCl4TSwHNZWKjo3ltdGl2VJ6Jbu+pgF3Hs/ykT+Cx qA== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 3cnr8xgha4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 30 Nov 2021 17:42:03 +0000 Received: from m0098419.ppops.net (m0098419.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.43/8.16.0.43) with SMTP id 1AUHeepM006535; Tue, 30 Nov 2021 17:42:02 GMT Received: from ppma03wdc.us.ibm.com (ba.79.3fa9.ip4.static.sl-reverse.com [169.63.121.186]) by mx0b-001b2d01.pphosted.com with ESMTP id 3cnr8xgh9t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 30 Nov 2021 17:42:02 +0000 Received: from pps.filterd (ppma03wdc.us.ibm.com [127.0.0.1]) by ppma03wdc.us.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 1AUHbhfS012097; Tue, 30 Nov 2021 17:42:01 GMT Received: from b01cxnp23032.gho.pok.ibm.com (b01cxnp23032.gho.pok.ibm.com [9.57.198.27]) by ppma03wdc.us.ibm.com with ESMTP id 3cn3k1sdfc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 30 Nov 2021 17:42:01 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 1AUHfxtN65995250 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 30 Nov 2021 17:41:59 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E5882280D1; Tue, 30 Nov 2021 17:41:58 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BEDA328090; Tue, 30 Nov 2021 17:41:58 +0000 (GMT) Received: from [9.47.158.152] (unknown [9.47.158.152]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 30 Nov 2021 17:41:58 +0000 (GMT) Message-ID: <957f65ce-df0e-5980-57c3-57c05291ccc6@linux.ibm.com> Date: Tue, 30 Nov 2021 12:41:43 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [RFC 15/20] capabilities: Introduce CAP_INTEGRITY_ADMIN Content-Language: en-US To: Casey Schaufler , linux-integrity@vger.kernel.org Cc: zohar@linux.ibm.com, serge@hallyn.com, christian.brauner@ubuntu.com, containers@lists.linux.dev, dmitry.kasatkin@gmail.com, ebiederm@xmission.com, krzysztof.struczynski@huawei.com, roberto.sassu@huawei.com, mpeters@redhat.com, lhinds@redhat.com, lsturman@redhat.com, puiterwi@redhat.com, jejb@linux.ibm.com, jamjoom@us.ibm.com, linux-kernel@vger.kernel.org, paul@paul-moore.com, rgb@redhat.com, linux-security-module@vger.kernel.org, jmorris@namei.org, Denis Semakin References: <20211130160654.1418231-1-stefanb@linux.ibm.com> <20211130160654.1418231-16-stefanb@linux.ibm.com> From: Stefan Berger In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: cwqUDfQtHwF6PZEiIg_6qf3sCs7iWkRA X-Proofpoint-GUID: JVuyyf7idwXMy_g04h1gmcfuY8WOzSvg X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-11-30_10,2021-11-28_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 phishscore=0 clxscore=1011 priorityscore=1501 spamscore=0 suspectscore=0 mlxscore=0 mlxlogscore=973 adultscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2111300090 Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org On 11/30/21 12:27, Casey Schaufler wrote: > On 11/30/2021 8:06 AM, Stefan Berger wrote: >> From: Denis Semakin >> >> This patch introduces CAP_INTEGRITY_ADMIN, a new capability that allows >> to setup IMA (Integrity Measurement Architecture) policies per container >> for non-root users. > > Why not use CAP_MAC_ADMIN? IMA is a mandatory policy. The scope > is system security administration. It seems to fit your needs. > I introduced CAP_MAC_ADMIN for Smack, and believe that IMA using > it would be completely appropriate. Fine by me. I suppose we could be reusing it later on also for setting file extended attributes for IMA?    Stefan