1# Domain for update_engine daemon. 2type update_engine, domain, update_engine_common; 3type update_engine_exec, exec_type, file_type; 4 5net_domain(update_engine); 6 7# Read/[write] to /proc/net/xt_qtaguid/ctrl and /dev/xt_qtaguid to tag network 8# sockets. 9allow update_engine qtaguid_proc:file rw_file_perms; 10allow update_engine qtaguid_device:chr_file r_file_perms; 11 12# Following permissions are needed for update_engine. 13allow update_engine self:process { setsched }; 14allow update_engine self:capability { fowner sys_admin }; 15allow update_engine kmsg_device:chr_file w_file_perms; 16allow update_engine update_engine_exec:file rx_file_perms; 17wakelock_use(update_engine); 18 19# Ignore these denials. 20dontaudit update_engine kernel:process setsched; 21 22# Allow using persistent storage in /data/misc/update_engine. 23allow update_engine update_engine_data_file:dir { create_dir_perms }; 24allow update_engine update_engine_data_file:file { create_file_perms }; 25 26# Don't allow kernel module loading, just silence the logs. 27dontaudit update_engine kernel:system module_request; 28 29# Register the service to perform Binder IPC. 30binder_use(update_engine) 31add_service(update_engine, update_engine_service) 32 33# Allow update_engine to call the callback function provided by priv_app. 34binder_call(update_engine, priv_app) 35 36# Read OTA zip file at /data/ota_package/. 37allow update_engine ota_package_file:file r_file_perms; 38allow update_engine ota_package_file:dir r_dir_perms; 39 40# Use Boot Control HAL 41hal_client_domain(update_engine, hal_bootctl) 42