android_mt6572_jiabo/device/qcom/sepolicy/common/audioserver.te
2025-09-05 16:56:03 +08:00

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# Copyright (c) 2016, The Linux Foundation. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of The Linux Foundation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Copyright (c) 2015-2016 Dolby Laboratories, Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#access to perflock
allow audioserver mpctl_socket:dir r_dir_perms;
unix_socket_send(audioserver, mpctl, mpdecision)
unix_socket_connect(audioserver, mpctl, mpdecision)
# access to perflock
allow audioserver mpctl_socket:dir r_dir_perms;
unix_socket_send(audioserver, mpctl, perfd)
unix_socket_connect(audioserver, mpctl, perfd)
#debugfs access to audio
userdebug_or_eng(`
typeattribute audioserver qti_debugfs_domain;
allow audioserver debugfs:dir r_dir_perms;
allow audioserver debugfs:file rw_file_perms;
')
# Allow audioserver to create socket files for audio arbitration
allow audioserver audio_data_file:sock_file { create setattr unlink };
allow audioserver audio_data_file:dir remove_name;
# Allow audioserver to read sysfs dir and sysfs_thermal files for speaker protection
allow audioserver sysfs:dir r_dir_perms;
allow audioserver sysfs_thermal:file r_file_perms;
# Allow audioserver to access sysfs nodes
allow audioserver sysfs:file rw_file_perms;
userdebug_or_eng(`
diag_use(audioserver)
')
#Rules for audioserver to talk to peripheral manager
use_per_mgr(audioserver);
# DOLBY_START
allow audioserver activity_service:service_manager find;
set_prop(audioserver, dolby_prop)
# DOLBY_END
# for thermal sock files
unix_socket_connect(audioserver, thermal, thermal-engine)
# allow audioserver to write DTS files
allow audioserver dts_data_file:dir rw_dir_perms;
allow audioserver dts_data_file:file create_file_perms;