android_system_sepolicy/private/vendor_init.te
Paul Crowley aed0f76ee9 Root of /data belongs to init (re-landing)
Give /data itself a different label to its contents, to ensure that
only init creates files and directories there.

This change originally landed as aosp/1106014 and was reverted in
aosp/1116238 to fix b/140402208. aosp/1116298 fixes the underlying
problem, and with that we can re-land this change.

Bug: 139190159
Bug: 140402208
Test: aosp boots, logs look good
Change-Id: I1a366c577a0fff307ca366a6844231bcf8afe3bf
2019-09-09 14:42:01 -07:00

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# Creating files on sysfs is impossible so this isn't a threat
# Sometimes we have to write to non-existent files to avoid conditional
# init behavior. See b/35303861 for an example.
dontaudit vendor_init sysfs:dir write;
# TODO(b/140259336) We want to remove vendor_init in the long term but allow for now
allow vendor_init system_data_root_file:dir rw_dir_perms;