platform_system_sepolicy/private/untrusted_app_25.te
Jeff Vander Stoep 1f7ae8ee3f reland: untrusted_app_29: add new targetSdk domain
Enforce new requirements on app with targetSdkVersion=30 including:
- No RTM_GETLINK on netlink route sockets.

Remove some of the repetitive descriptions in each untrusted_app_N.te
file, and instead refer to the description in
public/untrusted_app.te.

Bug: 141455849
Test: CtsSelinuxTargetSdkCurrentTestCases
Test: libcore.java.net.NetworkInterfaceTest#testGetNetworkInterfaces
Change-Id: I89553e48db3bc71f229c71fafeee9005703e5c0b
2020-01-22 09:47:53 +00:00

53 lines
2.2 KiB
Text

###
### Untrusted_app_25
###
### This file defines the rules for untrusted apps running with
### targetSdkVersion <= 25.
###
### See public/untrusted_app.te for more information about which apps are
### placed in this selinux domain.
###
typeattribute untrusted_app_25 coredomain;
app_domain(untrusted_app_25)
untrusted_app_domain(untrusted_app_25)
net_domain(untrusted_app_25)
bluetooth_domain(untrusted_app_25)
# b/35917228 - /proc/misc access
# This will go away in a future Android release
allow untrusted_app_25 proc_misc:file r_file_perms;
# Access to /proc/tty/drivers, to allow apps to determine if they
# are running in an emulated environment.
# b/33214085 b/33814662 b/33791054 b/33211769
# https://github.com/strazzere/anti-emulator/blob/master/AntiEmulator/src/diff/strazzere/anti/emulator/FindEmulator.java
# This will go away in a future Android release
allow untrusted_app_25 proc_tty_drivers:file r_file_perms;
# Text relocation support for API < 23. This is now disallowed for targetSdkVersion>=Q.
# https://android.googlesource.com/platform/bionic/+/master/android-changes-for-ndk-developers.md#text-relocations-enforced-for-api-level-23
allow untrusted_app_25 { apk_data_file app_data_file asec_public_file }:file execmod;
# The ability to call exec() on files in the apps home directories
# for targetApi<=25. This is also allowed for targetAPIs 26, 27,
# and 28 in untrusted_app_27.te.
allow untrusted_app_25 app_data_file:file execute_no_trans;
auditallow untrusted_app_25 app_data_file:file { execute execute_no_trans };
# The ability to invoke dex2oat. Historically required by ART, now only
# allowed for targetApi<=28 for compat reasons.
allow untrusted_app_25 dex2oat_exec:file rx_file_perms;
userdebug_or_eng(`auditallow untrusted_app_25 dex2oat_exec:file rx_file_perms;')
# The ability to talk to /dev/ashmem directly. targetApi>=29 must use
# ASharedMemory instead.
allow untrusted_app_25 ashmem_device:chr_file rw_file_perms;
auditallow untrusted_app_25 ashmem_device:chr_file open;
# Read /mnt/sdcard symlink.
allow untrusted_app_25 mnt_sdcard_file:lnk_file r_file_perms;
# allow binding to netlink route sockets and sending RTM_GETLINK messages.
allow untrusted_app_25 self:netlink_route_socket { bind nlmsg_readpriv };