platform_system_sepolicy/public/virtual_touchpad.te
Nick Kralevich 5e37271df8 Introduce system_file_type
system_file_type is a new attribute used to identify files which exist
on the /system partition. It's useful for allow rules in init, which are
based off of a blacklist of writable files. Additionally, it's useful
for constructing neverallow rules to prevent regressions.

Additionally, add commented out tests which enforce that all files on
the /system partition have the system_file_type attribute. These tests
will be uncommented in a future change after all the device-specific
policies are cleaned up.

Test: Device boots and no obvious problems.
Change-Id: Id9bae6625f042594c8eba74ca712abb09702c1e5
2018-09-27 12:52:09 -07:00

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type virtual_touchpad, domain;
type virtual_touchpad_exec, system_file_type, exec_type, file_type;
binder_use(virtual_touchpad)
binder_service(virtual_touchpad)
add_service(virtual_touchpad, virtual_touchpad_service)
# Needed to check app permissions.
binder_call(virtual_touchpad, system_server)
# Requires access to /dev/uinput to create and feed the virtual device.
allow virtual_touchpad uhid_device:chr_file { w_file_perms ioctl };
# Requires access to the permission service to validate that clients have the
# appropriate VR permissions.
allow virtual_touchpad permission_service:service_manager find;