generic/vendor/common/thermal-engine.te

# Copyright (c) 2018-2019, 2021, 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.
type vendor_thermal-engine, domain;
type vendor_thermal-engine_exec, exec_type, vendor_file_type, file_type;

init_daemon_domain(vendor_thermal-engine)

# to read /sys/devices
allow vendor_thermal-engine sysfs:dir r_dir_perms;

allow vendor_thermal-engine self:capability {
    fsetid
    sys_boot
};

allow vendor_thermal-engine self:{ socket qipcrtr_socket } create_socket_perms;
# ioctlcmd=c304
allowxperm vendor_thermal-engine self:{ socket qipcrtr_socket } ioctl msm_sock_ipc_ioctls;

# This is required to access thermal sockets
allow vendor_thermal-engine vendor_thermal_socket:dir w_dir_perms;
allow vendor_thermal-engine vendor_thermal_socket:sock_file create_file_perms;
allow vendor_thermal-engine socket_device:dir w_dir_perms;

# This is required for thermal sysfs access
r_dir_file(vendor_thermal-engine, sysfs_thermal)
allow vendor_thermal-engine sysfs_thermal:file w_file_perms;
allow vendor_thermal-engine sysfs_thermal:lnk_file r_file_perms;

# Allow to read and write cpufreq sysfs
allow vendor_thermal-engine sysfs_devices_system_cpu:file rw_file_perms;
# This is required for qmi access
qmux_socket(vendor_thermal-engine);

#This is to allow access to uio device
allow vendor_thermal-engine uio_device:chr_file rw_file_perms;

userdebug_or_eng(`
  diag_use(vendor_thermal-engine)
')

# To search, read and write kgsl sysfs
allow vendor_thermal-engine vendor_sysfs_kgsl:dir r_dir_perms;
allow vendor_thermal-engine vendor_sysfs_kgsl:file rw_file_perms;
allow vendor_thermal-engine vendor_sysfs_kgsl:lnk_file r_file_perms;

allow vendor_thermal-engine vendor_sysfs_data:file r_file_perms;

# This is required read and write battery power supply sysfs
allow vendor_thermal-engine vendor_sysfs_battery_supply:dir r_dir_perms;
allow vendor_thermal-engine vendor_sysfs_battery_supply:file rw_file_perms;
allow vendor_thermal-engine vendor_sysfs_battery_supply:lnk_file r_file_perms;

# This is required to read and write lcd-backlight sysfs
allow vendor_thermal-engine vendor_sysfs_graphics:dir r_dir_perms;
allow vendor_thermal-engine vendor_sysfs_graphics:file rw_file_perms;
allow vendor_thermal-engine vendor_sysfs_graphics:lnk_file r_file_perms;

r_dir_file(vendor_thermal-engine, sysfs_leds)

# reboot/shutdown for thermal limits exceeded
set_prop(vendor_thermal-engine, powerctl_prop)

#sysfs_uio
r_dir_file(vendor_thermal-engine, sysfs_uio)
r_dir_file(vendor_thermal-engine, vendor_sysfs_uio_file)

# netlink access
allow vendor_thermal-engine self: { netlink_kobject_uevent_socket netlink_generic_socket } create_socket_perms_no_ioctl;
#This is required to enable vendor_thermal-engine dsprpc communication
r_dir_file(vendor_thermal-engine, adsprpcd_file);
allow vendor_thermal-engine vendor_qdsp_device:chr_file r_file_perms;
allow vendor_thermal-engine ion_device:chr_file r_file_perms;

# This is required to read devfreq  sysfs
allow vendor_thermal-engine vendor_sysfs_devfreq:dir r_dir_perms;
allow vendor_thermal-engine vendor_sysfs_devfreq:file r_file_perms;
allow vendor_thermal-engine vendor_sysfs_devfreq:lnk_file r_file_perms;

#This is required to write into limits-cdsp partition
allow vendor_thermal-engine block_device:dir r_dir_perms;
allow vendor_thermal-engine vendor_limits_block_device:blk_file rw_file_perms;