platform_system_sepolicy/private/rs.te
Jeff Vander Stoep 561aa01ccb rs: add tests to ensure rs cannot abuse app data
Test: build
Change-Id: I2ea39c767264339e300fceeb23c506883d23a14c
2019-01-17 15:24:34 -08:00

39 lines
1.4 KiB
Text

# Any files which would have been created as app_data_file
# will be created as app_exec_data_file instead.
allow rs app_data_file:dir ra_dir_perms;
allow rs app_exec_data_file:file create_file_perms;
type_transition rs app_data_file:file app_exec_data_file;
# Follow /data/user/0 symlink
allow rs system_data_file:lnk_file read;
# Read files from the app home directory.
allow rs app_data_file:file r_file_perms;
allow rs app_data_file:dir r_dir_perms;
# Cleanup app_exec_data_file files in the app home directory.
allow rs app_data_file:dir remove_name;
# Use vendor resources
allow rs vendor_file:dir r_dir_perms;
r_dir_file(rs, vendor_overlay_file)
r_dir_file(rs, vendor_app_file)
# Read contents of app apks
r_dir_file(rs, apk_data_file)
allow rs gpu_device:chr_file rw_file_perms;
allow rs ion_device:chr_file r_file_perms;
allow rs same_process_hal_file:file { r_file_perms execute };
# File descriptors passed from app to renderscript
allow rs untrusted_app_all:fd use;
# rs can access app data, so ensure it can only be entered via an app domain and cannot have
# CAP_DAC_OVERRIDE.
neverallow rs rs:capability_class_set *;
neverallow { domain -appdomain } rs:process { dyntransition transition };
neverallow rs { domain -crash_dump }:process { dyntransition transition };
neverallow rs app_data_file:file_class_set ~r_file_perms;
# rs should never use network sockets
neverallow rs *:network_socket_class_set *;