| Dan Cashman | 8058248 | 2017-12-06 09:20:27 -0800 | [diff] [blame^] | 1 | # Domain for update_engine daemon. |
| 2 | type update_engine, domain, update_engine_common; |
| 3 | type update_engine_exec, exec_type, file_type; |
| 4 | |
| 5 | net_domain(update_engine); |
| 6 | |
| 7 | # Read/[write] to /proc/net/xt_qtaguid/ctrl and /dev/xt_qtaguid to tag network |
| 8 | # sockets. |
| 9 | allow update_engine qtaguid_proc:file rw_file_perms; |
| 10 | allow update_engine qtaguid_device:chr_file r_file_perms; |
| 11 | |
| 12 | # Following permissions are needed for update_engine. |
| 13 | allow update_engine self:process { setsched }; |
| 14 | allow update_engine self:capability { fowner sys_admin }; |
| 15 | allow update_engine kmsg_device:chr_file w_file_perms; |
| 16 | allow update_engine update_engine_exec:file rx_file_perms; |
| 17 | wakelock_use(update_engine); |
| 18 | |
| 19 | # Ignore these denials. |
| 20 | dontaudit update_engine kernel:process setsched; |
| 21 | |
| 22 | # Allow using persistent storage in /data/misc/update_engine. |
| 23 | allow update_engine update_engine_data_file:dir { create_dir_perms }; |
| 24 | allow update_engine update_engine_data_file:file { create_file_perms }; |
| 25 | |
| 26 | # Don't allow kernel module loading, just silence the logs. |
| 27 | dontaudit update_engine kernel:system module_request; |
| 28 | |
| 29 | # Register the service to perform Binder IPC. |
| 30 | binder_use(update_engine) |
| 31 | add_service(update_engine, update_engine_service) |
| 32 | |
| 33 | # Allow update_engine to call the callback function provided by priv_app. |
| 34 | binder_call(update_engine, priv_app) |
| 35 | |
| 36 | # Read OTA zip file at /data/ota_package/. |
| 37 | allow update_engine ota_package_file:file r_file_perms; |
| 38 | allow update_engine ota_package_file:dir r_dir_perms; |
| 39 | |
| 40 | # Use Boot Control HAL |
| 41 | hal_client_domain(update_engine, hal_bootctl) |