1### 2### Apps signed with the platform key. 3### 4 5typeattribute platform_app coredomain; 6 7app_domain(platform_app) 8 9# Access the network. 10net_domain(platform_app) 11# Access bluetooth. 12bluetooth_domain(platform_app) 13# Read from /data/local/tmp or /data/data/com.android.shell. 14allow platform_app shell_data_file:dir search; 15allow platform_app shell_data_file:file { open getattr read }; 16allow platform_app icon_file:file { open getattr read }; 17# Populate /data/app/vmdl*.tmp, /data/app-private/vmdl*.tmp files 18# created by system server. 19allow platform_app { apk_tmp_file apk_private_tmp_file }:dir rw_dir_perms; 20allow platform_app { apk_tmp_file apk_private_tmp_file }:file rw_file_perms; 21allow platform_app apk_private_data_file:dir search; 22# ASEC 23allow platform_app asec_apk_file:dir create_dir_perms; 24allow platform_app asec_apk_file:file create_file_perms; 25 26# Access to /data/media. 27allow platform_app media_rw_data_file:dir create_dir_perms; 28allow platform_app media_rw_data_file:file create_file_perms; 29 30# Write to /cache. 31allow platform_app cache_file:dir create_dir_perms; 32allow platform_app cache_file:file create_file_perms; 33 34# Direct access to vold-mounted storage under /mnt/media_rw 35# This is a performance optimization that allows platform apps to bypass the FUSE layer 36allow platform_app mnt_media_rw_file:dir r_dir_perms; 37allow platform_app sdcard_type:dir create_dir_perms; 38allow platform_app sdcard_type:file create_file_perms; 39 40# com.android.systemui 41allow platform_app rootfs:dir getattr; 42 43# com.android.captiveportallogin reads /proc/vmstat 44allow platform_app { 45 proc_vmstat 46}:file r_file_perms; 47 48# /proc/net access. 49# TODO(b/9496886) Audit access for removal. 50r_dir_file(platform_app, proc_net_type) 51userdebug_or_eng(` 52 auditallow platform_app proc_net_type:{ dir file lnk_file } { getattr open read }; 53') 54 55allow platform_app audioserver_service:service_manager find; 56allow platform_app cameraserver_service:service_manager find; 57allow platform_app drmserver_service:service_manager find; 58allow platform_app mediaserver_service:service_manager find; 59allow platform_app mediametrics_service:service_manager find; 60allow platform_app mediaextractor_service:service_manager find; 61allow platform_app mediadrmserver_service:service_manager find; 62allow platform_app persistent_data_block_service:service_manager find; 63allow platform_app radio_service:service_manager find; 64allow platform_app thermal_service:service_manager find; 65allow platform_app timezone_service:service_manager find; 66allow platform_app app_api_service:service_manager find; 67allow platform_app system_api_service:service_manager find; 68allow platform_app vr_manager_service:service_manager find; 69allow platform_app stats_service:service_manager find; 70 71# Allow platform apps to log via statsd. 72binder_call(platform_app, statsd) 73 74# Access to /data/preloads 75allow platform_app preloads_data_file:file r_file_perms; 76allow platform_app preloads_data_file:dir r_dir_perms; 77allow platform_app preloads_media_file:file r_file_perms; 78allow platform_app preloads_media_file:dir r_dir_perms; 79 80read_runtime_log_tags(platform_app) 81 82# allow platform apps to use UDP sockets provided by the system server but not 83# modify them other than to connect 84allow platform_app system_server:udp_socket { 85 connect getattr read recvfrom sendto write getopt setopt }; 86 87# allow platform apps to connect to the property service 88set_prop(platform_app, test_boot_reason_prop) 89 90# allow platform apps to read keyguard.no_require_sim 91get_prop(platform_app, keyguard_config_prop) 92 93# allow platform apps to read qemu.hw.mainkeys 94get_prop(platform_app, qemu_hw_prop) 95 96# allow platform apps to create symbolic link 97allow platform_app app_data_file:lnk_file create_file_perms; 98 99# suppress denials caused by debugfs_tracing 100dontaudit platform_app debugfs_tracing:file rw_file_perms; 101 102# Allow platform apps to act as Perfetto producers. 103perfetto_producer(platform_app) 104 105### 106### Neverallow rules 107### 108 109# app domains which access /dev/fuse should not run as platform_app 110neverallow platform_app fuse_device:chr_file *; 111