legacy/vendor/common/bluetooth.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
# 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.

#Adding all bt related service to bt domains

type btsnoop, bluetoothdomain, domain;
type btsnoop_exec, exec_type, vendor_file_type, file_type;

type btnvtool, bluetoothdomain, domain;
type btnvtool_exec, exec_type, vendor_file_type, file_type;

allow bluetooth sysfs_bluetooth_writable:file w_file_perms;

#Access to /data/media
allow bluetooth media_rw_data_file:dir create_dir_perms;
allow bluetooth media_rw_data_file:file create_file_perms;
#allow proc_sysrq access for crash dump
userdebug_or_eng(`
 allow bluetooth proc_sysrq:file w_file_perms;
 allow bluetooth qti_debugfs:file r_file_perms;
')

allow bluetooth {
    uhid_device
    serial_device
    #BT needes read and write on smd device node
    smd_device
    vendor_bt_device
}:chr_file rw_file_perms;


allow bluetooth self:socket { create write getopt read };

#dun-server requires binding with system_app and servicemanager
binder_use(bluetooth);
binder_call(bluetooth, system_app);
binder_call(bluetooth, servicemanager);
allow bluetooth dun_service:service_manager find;


# for finding wbc_service
allow bluetooth wbc_service:service_manager find;

# ioctlcmd=c302
allow bluetooth self:socket ioctl;
allowxperm bluetooth self:socket ioctl msm_sock_ipc_ioctls;

#SplitA2dp bluetooth requires binding with audio hal
binder_call(bluetooth, hal_audio);
allow bluetooth hal_audio_hwservice:hwservice_manager find;

# suppress denials for services, which should not be accessed by bluetooth
dontaudit bluetooth {
      netd_service
}:service_manager find;

#allow bluetooth to access btconfigstore hal
hal_client_domain(bluetooth, hal_btconfigstore);

#allow bluetooth to access perf hal
hal_client_domain(bluetooth, hal_perf);

#allow bluetooth to make binder call to gpuservice
binder_call(bluetooth, gpuservice);

#Allow bluetooth to read the property
get_prop(bluetooth, vendor_bluetooth_prop)