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