platform_system_sepolicy/prebuilts/api/27.0/public/update_engine.te
Dan Cashman 805824884f Commit 27.0 sepolicy prebuilts to master.
Bug: 65551293
Bug: 69390067
Test: None. Prebuilt only change.
Change-Id: I62304b342a8b52fd505892cc2d4ebc882148224b
2017-12-06 09:23:36 -08:00

41 lines
1.5 KiB
Text

# Domain for update_engine daemon.
type update_engine, domain, update_engine_common;
type update_engine_exec, exec_type, file_type;
net_domain(update_engine);
# Read/[write] to /proc/net/xt_qtaguid/ctrl and /dev/xt_qtaguid to tag network
# sockets.
allow update_engine qtaguid_proc:file rw_file_perms;
allow update_engine qtaguid_device:chr_file r_file_perms;
# 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)
add_service(update_engine, update_engine_service)
# 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;
# Use Boot Control HAL
hal_client_domain(update_engine, hal_bootctl)