platform_device_qcom_sepolicy-legacy-um/legacy/vendor/common/bluetooth.te

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#Adding all bt related service to bt domains
type sapd, bluetoothdomain;
type sapd_exec, exec_type, vendor_file_type, file_type;

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

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

type fmhal_service, bluetoothdomain;
type fmhal_service_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
    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);