From nobody Thu Jul 10 00:02:42 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) client-ip=209.132.183.28; envelope-from=libvir-list-bounces@redhat.com; helo=mx1.redhat.com; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of redhat.com designates 209.132.183.28 as permitted sender) smtp.mailfrom=libvir-list-bounces@redhat.com; dmarc=fail(p=none dis=none) header.from=canonical.com Return-Path: Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by mx.zohomail.com with SMTPS id 152166738355087.22679779333839; Wed, 21 Mar 2018 14:23:03 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D992F37E6E; Wed, 21 Mar 2018 21:23:01 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 9A5FE544F0; Wed, 21 Mar 2018 21:23:01 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 60A2D4CA9C; Wed, 21 Mar 2018 21:23:01 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id w2LLMo3m018500 for ; Wed, 21 Mar 2018 17:22:50 -0400 Received: by smtp.corp.redhat.com (Postfix) id C23678475E; Wed, 21 Mar 2018 21:22:50 +0000 (UTC) Received: from mx1.redhat.com (ext-mx06.extmail.prod.ext.phx2.redhat.com [10.5.110.30]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BD92560637 for ; Wed, 21 Mar 2018 21:22:48 +0000 (UTC) Received: from youngberry.canonical.com (youngberry.canonical.com [91.189.89.112]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 88E46356DE for ; Wed, 21 Mar 2018 21:22:47 +0000 (UTC) Received: from 1.general.paelzer.uk.vpn ([10.172.196.172] helo=localhost.localdomain) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.76) (envelope-from ) id 1eylC2-0001ar-Bo; Wed, 21 Mar 2018 21:22:46 +0000 From: Christian Ehrhardt To: libvir-list@redhat.com, =?UTF-8?q?Guido=20G=C3=BCnther?= , Jamie Strandboge Date: Wed, 21 Mar 2018 22:22:38 +0100 Message-Id: <1521667361-15170-3-git-send-email-christian.ehrhardt@canonical.com> In-Reply-To: <1521667361-15170-1-git-send-email-christian.ehrhardt@canonical.com> References: <1521667361-15170-1-git-send-email-christian.ehrhardt@canonical.com> X-Greylist: Sender passed SPF test, Sender IP whitelisted by DNSRBL, ACL 207 matched, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 21 Mar 2018 21:22:47 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Wed, 21 Mar 2018 21:22:47 +0000 (UTC) for IP:'91.189.89.112' DOMAIN:'youngberry.canonical.com' HELO:'youngberry.canonical.com' FROM:'christian.ehrhardt@canonical.com' RCPT:'' X-RedHat-Spam-Score: -5.01 (RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD) 91.189.89.112 youngberry.canonical.com 91.189.89.112 youngberry.canonical.com X-Scanned-By: MIMEDefang 2.78 on 10.5.110.30 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-loop: libvir-list@redhat.com Cc: Christian Ehrhardt Subject: [libvirt] [PATCH v4 2/5] security, apparmor: add (Set|Restore)InputLabel X-BeenThere: libvir-list@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: Development discussions about the libvirt library & tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: libvir-list-bounces@redhat.com Errors-To: libvir-list-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Wed, 21 Mar 2018 21:23:02 +0000 (UTC) X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" d8116b5a "security: Introduce functions for input device hot(un)plug" implemented the code (Set|Restore)InputLabel for several security modules, this patch adds an AppArmor implementation for it as well. That fixes hot-plugging event input devices by generating a rule for the path that needs to be accessed. Example hot adding: Creates now: "/dev/input/event0" rwk, Fixes: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1755153 Acked-by: Jamie Strandboge Signed-off-by: Christian Ehrhardt --- src/security/security_apparmor.c | 48 ++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 48 insertions(+) diff --git a/src/security/security_apparmor.c b/src/security/security_appar= mor.c index 18908c8..92acc9e 100644 --- a/src/security/security_apparmor.c +++ b/src/security/security_apparmor.c @@ -761,6 +761,51 @@ AppArmorRestoreMemoryLabel(virSecurityManagerPtr mgr, =20 /* Called when hotplugging */ static int +AppArmorSetInputLabel(virSecurityManagerPtr mgr, + virDomainDefPtr def, + virDomainInputDefPtr input) +{ + if (input =3D=3D NULL) + return 0; + + switch ((virDomainInputType) input->type) { + case VIR_DOMAIN_INPUT_TYPE_PASSTHROUGH: + if (input->source.evdev =3D=3D NULL) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("%s: passthrough input device has no source"), + __func__); + return -1; + } + if (!virFileExists(input->source.evdev)) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("%s: \'%s\' does not exist"), + __func__, input->source.evdev); + return -1; + } + return reload_profile(mgr, def, input->source.evdev, true); + break; + + case VIR_DOMAIN_INPUT_TYPE_MOUSE: + case VIR_DOMAIN_INPUT_TYPE_TABLET: + case VIR_DOMAIN_INPUT_TYPE_KBD: + case VIR_DOMAIN_INPUT_TYPE_LAST: + break; + } + + return 0; +} + + +static int +AppArmorRestoreInputLabel(virSecurityManagerPtr mgr, + virDomainDefPtr def, + virDomainInputDefPtr input ATTRIBUTE_UNUSED) +{ + return reload_profile(mgr, def, NULL, false); +} + +/* Called when hotplugging */ +static int AppArmorSetSecurityImageLabel(virSecurityManagerPtr mgr, virDomainDefPtr def, virStorageSourcePtr src) @@ -1161,6 +1206,9 @@ virSecurityDriver virAppArmorSecurityDriver =3D { .domainSetSecurityMemoryLabel =3D AppArmorSetMemoryLabel, .domainRestoreSecurityMemoryLabel =3D AppArmorRestoreMemoryLabel, =20 + .domainSetSecurityInputLabel =3D AppArmorSetInputLabel, + .domainRestoreSecurityInputLabel =3D AppArmorRestoreInputLabel, + .domainSetSecurityDaemonSocketLabel =3D AppArmorSetSecurityDaemonSocke= tLabel, .domainSetSecuritySocketLabel =3D AppArmorSetSecuritySocketLabel, .domainClearSecuritySocketLabel =3D AppArmorClearSecuritySocketLab= el, --=20 2.7.4 -- libvir-list mailing list libvir-list@redhat.com https://www.redhat.com/mailman/listinfo/libvir-list