legacy/vendor/common/sensors.te

# Copyright (c) 2019, 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
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# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# Policy for sensor daemon
type sensors, domain;
type sensors_exec, exec_type, vendor_file_type, file_type;

# Started by init
init_daemon_domain(sensors)

allow sensors self:capability {
    # Change own perms to (nobody,nobody)
    setuid
    setgid
    # Chown /data/misc/sensors/debug/ to nobody
    chown
    # Access /data/misc/sensors/debug and /data/system/sensors/settings
    net_bind_service
};

dontaudit sensors self:capability { fsetid net_raw };

# Sensors socket
allow sensors sensors_socket:sock_file create_file_perms;
type_transition sensors socket_device:sock_file sensors_socket "sensor_ctl_socket";
allow sensors socket_device:dir rw_dir_perms;

# Create directories and files under /data/misc/sensors
# and /data/system/sensors. Allow generic r/w file access.

# Access sensor nodes (/dev/msm_dsps, /dev/sensors)
allow sensors sensors_device:chr_file rw_file_perms;

# Access to /persist/sensors
allow sensors mnt_vendor_file:dir r_dir_perms;
allow sensors sensors_persist_file:dir create_dir_perms;
allow sensors sensors_persist_file:file create_file_perms;

# Access to execmem
allow sensors self:process execmem;

# Wake lock access
wakelock_use(sensors)

allow sensors cgroup:dir { create add_name };

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

# Access to other devices
allow sensors smd_device:chr_file rw_file_perms;
allow sensors smem_log_device:chr_file rw_file_perms;
allow sensors device_latency:chr_file w_file_perms;

# Access to tests from userdebug/eng builds
userdebug_or_eng(`
  domain_auto_trans(shell, sensors_exec, sensors)
  diag_use(sensors)

  # For starting diag_mdlog
  allow sensors vendor_shell_exec:file execute_no_trans;
  allow sensors qlogd_exec:file execute_no_trans;
  allow sensors storage_file:lnk_file read;

  # For Reading/creating/opening named pipe for diag flush
  allow sensors sensors_persist_file:fifo_file { create open read write};
')

#binder_use(sensors)
#binder_call(sensors, servicemanager)
binder_call(sensors, vendor_per_mgr)

allow sensors sysfs_socinfo:file w_file_perms;
allow sensors sysfs_data:file r_file_perms;

allow sensors dsp_device:chr_file r_file_perms;
allow sensors ion_device:chr_file r_file_perms;
allow sensors qdsp_device:chr_file r_file_perms;
allow sensors xdsp_device:chr_file r_file_perms;


# For reading dir/files on /dsp
r_dir_file(sensors, adsprpcd_file)
# For reading vendor_adsprpc_prop
get_prop(sensors, vendor_adsprpc_prop)

#allow access for sensors_vendor_data_file  partition for ODL
allow sensors sensors_vendor_data_file:dir create_dir_perms;
allow sensors sensors_vendor_data_file:file create_file_perms;

allow sensors sysfs_soc:dir r_dir_perms;