# Domain for update_engine daemon. # update_engine uses the boot_control_hal. type update_engine, domain, domain_deprecated, update_engine_common, boot_control_hal; type update_engine_exec, exec_type, file_type; type update_engine_data_file, file_type, data_file_type; init_daemon_domain(update_engine); net_domain(update_engine); # Following permissions are needed for update_engine. allow update_engine self:process { setsched }; allow update_engine self:capability { fowner sys_admin }; allow update_engine kmsg_device:chr_file w_file_perms; allow update_engine update_engine_exec:file rx_file_perms; wakelock_use(update_engine); # Ignore these denials. dontaudit update_engine kernel:process setsched; # Allow using persistent storage in /data/misc/update_engine. allow update_engine update_engine_data_file:dir { create_dir_perms }; allow update_engine update_engine_data_file:file { create_file_perms }; # Don't allow kernel module loading, just silence the logs. dontaudit update_engine kernel:system module_request; # Register the service to perform Binder IPC. binder_use(update_engine) allow update_engine update_engine_service:service_manager { add }; # Allow update_engine to call the callback function provided by priv_app. binder_call(update_engine, priv_app) # Read OTA zip file at /data/ota_package/. allow update_engine ota_package_file:file r_file_perms; allow update_engine ota_package_file:dir r_dir_perms;