vendor/google/hal_face_default.te

#Allow face hal to find airbrush service and face hal <-> airbrush comms
allow hal_face_default hal_airbrush_hwservice:hwservice_manager find;
binder_call(hal_face_default, airbrush)
binder_call(airbrush, hal_face_default)

allow hal_face_default hal_graphics_mapper_hwservice:hwservice_manager find;
hal_client_domain(hal_face_default, hal_graphics_allocator)

binder_call(hal_face_default, hal_graphics_allocator_default)

# Grant TEE access to the face HAL
allow hal_face_default tee_device:chr_file rw_file_perms;
allow hal_face_default faceauth_device:chr_file rw_file_perms;
allow hal_face_default vndbinder_device:chr_file ioctl;

#Allow face hal to talk to process serving ITokenManager(libmediandk)
allow hal_face_default hidl_token_hwservice:hwservice_manager find;

#Allow face hal to talk to cameraserver
allow hal_face_default fwk_camera_hwservice:hwservice_manager find;
binder_call(hal_face_default, camera_service_server)
binder_call(camera_service_server, hal_face_default)

vndbinder_use(hal_face_default)

allow hal_face_default airbrush_faceauth_service:service_manager find;
# Allow the face HAL to communicate with keymaster. This is required
# to verify authorization timestamps with citadel.
# The face HAL *can only* use the verifyAuthorization API on keymaster
hal_client_domain(hal_face_default, hal_keymaster)

# Create subdirectories within the face vendor file directory.
allow hal_face_default face_vendor_data_file:dir create_dir_perms;
r_dir_file(hal_face_default, persist_camera_file)
allow hal_face_default persist_file:dir search;
allow hal_face_default mnt_vendor_file:dir search;
allow hal_face_default system_app:fd use;


# Grant incidentd and FaceDebugService access to the face HAL debug images
userdebug_or_eng(`
  allow hal_face_default incidentd:fd use;
  allow hal_face_default incidentd:fifo_file write;

  allow hal_face_default face_debug:fd use;
  allow hal_face_default face_debug:fifo_file write;
')

get_prop(hal_face_default, camera_prop)
get_prop(hal_face_default, vendor_faceauth_prop)

hwbinder_use(hal_face_default);

# Allow the face HAL to communicate with IStats.
allow hal_face_default fwk_stats_hwservice:hwservice_manager find;
binder_call(hal_face_default, stats_service_server)

# Allow writing new camera calibrations
allow hal_face camera_calibration_vendor_data_file:dir rw_dir_perms;
allow hal_face camera_calibration_vendor_data_file:file create_file_perms;

# Allow the face HAL to discover pil sysfs nodes for faceauth firmware loading.
allow hal_face_default sysfs_faceauth:dir r_dir_perms;
# Allow the face HAL to select firmware version by writing to a file here.
allow hal_face_default sysfs_faceauth:file w_file_perms;

# Allow the face HAL to communicate with the thermal HAL.
hal_client_domain(hal_face_default, hal_thermal)

# Allow the face HAL to talk to citadeld to verify the firmware version.
allow hal_face_default citadeld_service:service_manager find;
binder_call(hal_face_default, citadeld)