platform_system_sepolicy/private/platform_app.te
Tri Vo 06d7dca4a1 Remove proc and sysfs access from system_app and platform_app.
Bug: 65643247
Test: manual
Test: browse internet
Test: take a picture
Change-Id: I9faff44b7a025c7422404d777113e40842ea26dd
2018-01-20 01:05:21 +00:00

81 lines
3.1 KiB
Text

###
### Apps signed with the platform key.
###
typeattribute platform_app coredomain;
app_domain(platform_app)
# Access the network.
net_domain(platform_app)
# Access bluetooth.
bluetooth_domain(platform_app)
# Read from /data/local/tmp or /data/data/com.android.shell.
allow platform_app shell_data_file:dir search;
allow platform_app shell_data_file:file { open getattr read };
allow platform_app icon_file:file { open getattr read };
# Populate /data/app/vmdl*.tmp, /data/app-private/vmdl*.tmp files
# created by system server.
allow platform_app { apk_tmp_file apk_private_tmp_file }:dir rw_dir_perms;
allow platform_app { apk_tmp_file apk_private_tmp_file }:file rw_file_perms;
allow platform_app apk_private_data_file:dir search;
# ASEC
allow platform_app asec_apk_file:dir create_dir_perms;
allow platform_app asec_apk_file:file create_file_perms;
# Access to /data/media.
allow platform_app media_rw_data_file:dir create_dir_perms;
allow platform_app media_rw_data_file:file create_file_perms;
# Write to /cache.
allow platform_app cache_file:dir create_dir_perms;
allow platform_app cache_file:file create_file_perms;
# Direct access to vold-mounted storage under /mnt/media_rw
# This is a performance optimization that allows platform apps to bypass the FUSE layer
allow platform_app mnt_media_rw_file:dir r_dir_perms;
allow platform_app vfat:dir create_dir_perms;
allow platform_app vfat:file create_file_perms;
# com.android.systemui
allow platform_app rootfs:dir getattr;
# com.android.captiveportallogin reads /proc/vmstat
allow platform_app {
proc_vmstat
}:file r_file_perms;
allow platform_app audioserver_service:service_manager find;
allow platform_app cameraserver_service:service_manager find;
allow platform_app drmserver_service:service_manager find;
allow platform_app mediaserver_service:service_manager find;
allow platform_app mediametrics_service:service_manager find;
allow platform_app mediaextractor_service:service_manager find;
allow platform_app mediacodec_service:service_manager find;
allow platform_app mediadrmserver_service:service_manager find;
allow platform_app persistent_data_block_service:service_manager find;
allow platform_app radio_service:service_manager find;
allow platform_app thermal_service:service_manager find;
allow platform_app timezone_service:service_manager find;
allow platform_app app_api_service:service_manager find;
allow platform_app system_api_service:service_manager find;
allow platform_app vr_manager_service:service_manager find;
# Access to /data/preloads
allow platform_app preloads_data_file:file r_file_perms;
allow platform_app preloads_data_file:dir r_dir_perms;
allow platform_app preloads_media_file:file r_file_perms;
allow platform_app preloads_media_file:dir r_dir_perms;
read_runtime_log_tags(platform_app)
# allow platform apps to use UDP sockets provided by the system server but not
# modify them other than to connect
allow platform_app system_server:udp_socket { connect getattr read recvfrom sendto write };
###
### Neverallow rules
###
# app domains which access /dev/fuse should not run as platform_app
neverallow platform_app fuse_device:chr_file *;