sepolicy/system_app.te

#
# Apps that run with the system UID, e.g. com.android.system.ui,
# com.android.settings.  These are not as privileged as the system
# server.
#
type system_app, domain, domain_deprecated;
app_domain(system_app)
net_domain(system_app)
binder_service(system_app)

# Read and write /data/data subdirectory.
allow system_app system_app_data_file:dir create_dir_perms;
allow system_app system_app_data_file:{ file lnk_file } create_file_perms;

# Read and write to /data/misc/user.
allow system_app misc_user_data_file:dir create_dir_perms;
allow system_app misc_user_data_file:file create_file_perms;

# Access to vold-mounted storage for measuring free space
allow system_app mnt_media_rw_file:dir search;

# Read wallpaper file.
allow system_app wallpaper_file:file r_file_perms;

# Write to properties
set_prop(system_app, bluetooth_prop)
set_prop(system_app, debug_prop)
set_prop(system_app, system_prop)
set_prop(system_app, logd_prop)
set_prop(system_app, net_radio_prop)
set_prop(system_app, system_radio_prop)
userdebug_or_eng(`set_prop(system_app, logpersistd_logging_prop)')
auditallow system_app net_radio_prop:property_service set;
auditallow system_app system_radio_prop:property_service set;

# ctl interface
set_prop(system_app, ctl_default_prop)
set_prop(system_app, ctl_bugreport_prop)

# Create /data/anr/traces.txt.
allow system_app anr_data_file:dir ra_dir_perms;
allow system_app anr_data_file:file create_file_perms;

# Settings need to access app name and icon from asec
allow system_app asec_apk_file:file r_file_perms;

allow system_app servicemanager:service_manager list;
allow system_app service_manager_type:service_manager find;

allow system_app keystore:keystore_key {
	get_state
	get
	insert
	delete
	exist
	list
	reset
	password
	lock
	unlock
	is_empty
	sign
	verify
	grant
	duplicate
	clear_uid
	user_changed
};

# /sys access
allow system_app sysfs_zram:dir search;
allow system_app sysfs_zram:file r_file_perms;

control_logd(system_app)