From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <SRS0=G3q1=S4=vger.kernel.org=selinux-refpolicy-owner@kernel.org>
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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,
	INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham
	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 9BED8C43219
	for <selinux-refpolicy@archiver.kernel.org>; Fri, 26 Apr 2019 09:27:15 +0000 (UTC)
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by mail.kernel.org (Postfix) with ESMTP id 765522077B
	for <selinux-refpolicy@archiver.kernel.org>; Fri, 26 Apr 2019 09:27:15 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1725954AbfDZJ1P (ORCPT
        <rfc822;selinux-refpolicy@archiver.kernel.org>);
        Fri, 26 Apr 2019 05:27:15 -0400
Received: from mx1.redhat.com ([209.132.183.28]:34544 "EHLO mx1.redhat.com"
        rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
        id S1725923AbfDZJ1O (ORCPT
        <rfc822;selinux-refpolicy@vger.kernel.org>);
        Fri, 26 Apr 2019 05:27:14 -0400
Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12])
        (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))
        (No client certificate requested)
        by mx1.redhat.com (Postfix) with ESMTPS id 8A1A3308A11E
        for <selinux-refpolicy@vger.kernel.org>; Fri, 26 Apr 2019 09:27:14 +0000 (UTC)
Received: from lvrabec-workstation.brq.redhat.com (unknown [10.43.12.151])
        by smtp.corp.redhat.com (Postfix) with ESMTPS id D5D5560F89;
        Fri, 26 Apr 2019 09:27:13 +0000 (UTC)
From:   Lukas Vrabec <lvrabec@redhat.com>
To:     selinux-refpolicy@vger.kernel.org
Cc:     Lukas Vrabec <lvrabec@redhat.com>
Subject: [PATCH] Introduce allow_bluetooth boolean
Date:   Fri, 26 Apr 2019 11:27:10 +0200
Message-Id: <20190426092710.320-1-lvrabec@redhat.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.44]); Fri, 26 Apr 2019 09:27:14 +0000 (UTC)
Sender: selinux-refpolicy-owner@vger.kernel.org
Precedence: bulk
List-ID: <selinux-refpolicy.vger.kernel.org>
X-Mailing-List: selinux-refpolicy@vger.kernel.org

Because of new bluetooth_socket which is part of extended_socket_class
policy capability, it's possible to control which SELinux domains can
use bluetooth wireless technology. Default value of the boolean is
turned off.

Signed-off-by: Lukas Vrabec <lvrabec@redhat.com>
---
 policy/global_tunables               | 7 +++++++
 policy/modules/admin/netutils.te     | 4 ++++
 policy/modules/services/arpwatch.te  | 4 ++++
 policy/modules/services/bluetooth.if | 4 ++++
 policy/modules/services/bluetooth.te | 4 ++++
 policy/modules/services/ntop.te      | 4 ++++
 policy/modules/system/init.te        | 4 ++++
 policy/modules/system/userdomain.if  | 8 ++++++++
 8 files changed, 39 insertions(+)

diff --git a/policy/global_tunables b/policy/global_tunables
index affc020f..69b356e2 100644
--- a/policy/global_tunables
+++ b/policy/global_tunables
@@ -4,6 +4,13 @@
 # file should be used.
 #
 
+## <desc>
+## <p>
+## Allow all system processes and Linux users to use bluetooth wireless technology.
+## </p>
+## </desc>
+gen_tunable(allow_bluetooth,false)
+
 ## <desc>
 ## <p>
 ## Allow unconfined executables to make their heap memory executable.  Doing this is a really bad idea. Probably indicates a badly coded executable, but could indicate an attack. This executable should be reported in bugzilla
diff --git a/policy/modules/admin/netutils.te b/policy/modules/admin/netutils.te
index 46560a09..b4e66e8f 100644
--- a/policy/modules/admin/netutils.te
+++ b/policy/modules/admin/netutils.te
@@ -99,6 +99,10 @@ optional_policy(`
 	xen_append_log(netutils_t)
 ')
 
+tunable_policy(`allow_bluetooth',`
+    allow netutils_t self:bluetooth_socket create_stream_socket_perms;
+')
+
 ########################################
 #
 # Ping local policy
diff --git a/policy/modules/services/arpwatch.te b/policy/modules/services/arpwatch.te
index 87aed96f..7e817035 100644
--- a/policy/modules/services/arpwatch.te
+++ b/policy/modules/services/arpwatch.te
@@ -77,6 +77,10 @@ miscfiles_read_localization(arpwatch_t)
 userdom_dontaudit_search_user_home_dirs(arpwatch_t)
 userdom_dontaudit_use_unpriv_user_fds(arpwatch_t)
 
+tunable_policy(`allow_bluetooth',`
+    allow arpwatch_t self:bluetooth_socket create_socket_perms;
+')
+
 optional_policy(`
 	mta_send_mail(arpwatch_t)
 ')
diff --git a/policy/modules/services/bluetooth.if b/policy/modules/services/bluetooth.if
index dc61988c..5fda4f69 100644
--- a/policy/modules/services/bluetooth.if
+++ b/policy/modules/services/bluetooth.if
@@ -68,6 +68,10 @@ interface(`bluetooth_stream_connect',`
 	files_search_pids($1)
 	allow $1 bluetooth_t:socket rw_socket_perms;
 	stream_connect_pattern($1, bluetooth_var_run_t, bluetooth_var_run_t, bluetooth_t)
+
+    tunable_policy(`deny_bluetooth',`',`
+        allow $1 bluetooth_t:bluetooth_socket rw_socket_perms;
+    ')
 ')
 
 ########################################
diff --git a/policy/modules/services/bluetooth.te b/policy/modules/services/bluetooth.te
index 45e5a361..fa9daa48 100644
--- a/policy/modules/services/bluetooth.te
+++ b/policy/modules/services/bluetooth.te
@@ -133,6 +133,10 @@ userdom_dontaudit_use_unpriv_user_fds(bluetooth_t)
 userdom_dontaudit_use_user_terminals(bluetooth_t)
 userdom_dontaudit_search_user_home_dirs(bluetooth_t)
 
+tunable_policy(`allow_bluetooth',`
+    allow bluetooth_t self:bluetooth_socket create_stream_socket_perms;
+')
+
 optional_policy(`
 	dbus_system_bus_client(bluetooth_t)
 	dbus_connect_system_bus(bluetooth_t)
diff --git a/policy/modules/services/ntop.te b/policy/modules/services/ntop.te
index 178bbb1d..50157b88 100644
--- a/policy/modules/services/ntop.te
+++ b/policy/modules/services/ntop.te
@@ -96,6 +96,10 @@ miscfiles_read_localization(ntop_t)
 userdom_dontaudit_use_unpriv_user_fds(ntop_t)
 userdom_dontaudit_search_user_home_dirs(ntop_t)
 
+tunable_policy(`allow_bluetooth',`
+    allow ntop_t self:bluetooth_socket create_socket_perms;
+')
+
 optional_policy(`
 	apache_read_sys_content(ntop_t)
 ')
diff --git a/policy/modules/system/init.te b/policy/modules/system/init.te
index 00f36c99..26eff7bc 100644
--- a/policy/modules/system/init.te
+++ b/policy/modules/system/init.te
@@ -523,6 +523,10 @@ optional_policy(`
 	unconfined_domain(init_t)
 ')
 
+tunable_policy(`allow_bluetooth',`
+    allow init_t self:bluetooth_socket { create_socket_perms listen };
+')
+
 ########################################
 #
 # Init script local policy
diff --git a/policy/modules/system/userdomain.if b/policy/modules/system/userdomain.if
index 5221bd13..50d2e080 100644
--- a/policy/modules/system/userdomain.if
+++ b/policy/modules/system/userdomain.if
@@ -1189,6 +1189,10 @@ template(`userdom_unpriv_user_template', `
 		corenet_udp_bind_generic_port($1_t)
 	')
 
+    tunable_policy(`allow_bluetooth',`
+        allow $1_t self:bluetooth_socket create_socket_perms;
+    ')
+
 	optional_policy(`
 		netutils_run_ping_cond($1_t, $1_r)
 		netutils_run_traceroute_cond($1_t, $1_r)
@@ -1362,6 +1366,10 @@ template(`userdom_admin_user_template',`
 	userdom_manage_user_home_content_sockets($1_t)
 	userdom_user_home_dir_filetrans_user_home_content($1_t, { dir file lnk_file fifo_file sock_file })
 
+    tunable_policy(`allow_bluetooth',`
+        allow $1_t self:bluetooth_socket create_stream_socket_perms;
+    ')
+
 	optional_policy(`
 		postgresql_unconfined($1_t)
 	')
-- 
2.20.1