android_system_sepolicy/public/adbd.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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# adbd seclabel is specified in init.rc since
# it lives in the rootfs and has no unique file type.
type adbd, domain;
type adbd_exec, exec_type, file_type, system_file_type;
# Only init is allowed to enter the adbd domain via exec()
neverallow { domain -init } adbd:process transition;
neverallow * adbd:process dyntransition;