1# Domain for update_engine daemon. 2# update_engine uses the boot_control_hal. 3type update_engine, domain, domain_deprecated, update_engine_common, boot_control_hal; 4type update_engine_exec, exec_type, file_type; 5type update_engine_data_file, file_type, data_file_type; 6 7init_daemon_domain(update_engine); 8net_domain(update_engine); 9 10# Following permissions are needed for update_engine. 11allow update_engine self:process { setsched }; 12allow update_engine self:capability { fowner sys_admin }; 13allow update_engine kmsg_device:chr_file w_file_perms; 14allow update_engine update_engine_exec:file rx_file_perms; 15wakelock_use(update_engine); 16 17# Ignore these denials. 18dontaudit update_engine kernel:process setsched; 19 20# Allow using persistent storage in /data/misc/update_engine. 21allow update_engine update_engine_data_file:dir { create_dir_perms }; 22allow update_engine update_engine_data_file:file { create_file_perms }; 23 24# Don't allow kernel module loading, just silence the logs. 25dontaudit update_engine kernel:system module_request; 26 27# Register the service to perform Binder IPC. 28binder_use(update_engine) 29allow update_engine update_engine_service:service_manager { add }; 30 31# Allow update_engine to call the callback function provided by priv_app. 32binder_call(update_engine, priv_app) 33 34# Read OTA zip file at /data/ota_package/. 35allow update_engine ota_package_file:file r_file_perms; 36allow update_engine ota_package_file:dir r_dir_perms; 37