1### 2### Untrusted_app_25 3### 4### This file defines the rules for untrusted apps running with 5### targetSdkVersion <= 25. 6### 7### See public/untrusted_app.te for more information about which apps are 8### placed in this selinux domain. 9### 10 11typeattribute untrusted_app_25 coredomain; 12 13app_domain(untrusted_app_25) 14untrusted_app_domain(untrusted_app_25) 15net_domain(untrusted_app_25) 16bluetooth_domain(untrusted_app_25) 17 18# b/35917228 - /proc/misc access 19# This will go away in a future Android release 20allow untrusted_app_25 proc_misc:file r_file_perms; 21 22# Access to /proc/tty/drivers, to allow apps to determine if they 23# are running in an emulated environment. 24# b/33214085 b/33814662 b/33791054 b/33211769 25# https://github.com/strazzere/anti-emulator/blob/master/AntiEmulator/src/diff/strazzere/anti/emulator/FindEmulator.java 26# This will go away in a future Android release 27allow untrusted_app_25 proc_tty_drivers:file r_file_perms; 28 29# Text relocation support for API < 23. This is now disallowed for targetSdkVersion>=Q. 30# https://android.googlesource.com/platform/bionic/+/master/android-changes-for-ndk-developers.md#text-relocations-enforced-for-api-level-23 31allow untrusted_app_25 { apk_data_file app_data_file asec_public_file }:file execmod; 32 33# The ability to call exec() on files in the apps home directories 34# for targetApi<=25. This is also allowed for targetAPIs 26, 27, 35# and 28 in untrusted_app_27.te. 36allow untrusted_app_25 app_data_file:file execute_no_trans; 37auditallow untrusted_app_25 app_data_file:file { execute execute_no_trans }; 38 39# The ability to invoke dex2oat. Historically required by ART, now only 40# allowed for targetApi<=28 for compat reasons. 41allow untrusted_app_25 dex2oat_exec:file rx_file_perms; 42userdebug_or_eng(`auditallow untrusted_app_25 dex2oat_exec:file rx_file_perms;') 43 44# The ability to talk to /dev/ashmem directly. targetApi>=29 must use 45# ASharedMemory instead. 46allow untrusted_app_25 ashmem_device:chr_file rw_file_perms; 47auditallow untrusted_app_25 ashmem_device:chr_file open; 48 49# Read /mnt/sdcard symlink. 50allow untrusted_app_25 mnt_sdcard_file:lnk_file r_file_perms; 51 52# allow binding to netlink route sockets and sending RTM_GETLINK messages. 53allow untrusted_app_25 self:netlink_route_socket { bind nlmsg_readpriv }; 54auditallow untrusted_app_25 self:netlink_route_socket { bind nlmsg_readpriv }; 55