sepolicy/private/update_engine.te

r_dir_file(update_engine, mnt_user_file)
r_dir_file(update_engine, storage_file)

allow update_engine self:capability { chown fsetid };
allow update_engine self:process { setexec };

allow update_engine labeledfs:filesystem { mount unmount };

allow update_engine { otapreopt_chroot_exec toolbox_exec }:file rx_file_perms;

allow update_engine labeledfs:filesystem mount;
allow update_engine rootfs:file { rx_file_perms relabelfrom rename setattr unlink };
allow update_engine rootfs:dir { create write open add_name read rmdir remove_name };

allow update_engine system_data_file:file { create read write open unlink };
allow update_engine system_data_file:dir { create write add_name read remove_name unlink };

allow update_engine system_file:file { create setattr write relabelto relabelfrom rx_file_perms unlink };
allow update_engine system_file:dir { create setattr write rmdir remove_name add_name setattr };

allow update_engine storage_file:lnk_file read;
allow update_engine toolbox_exec:file { execute getattr };

allow update_engine sepolicy_file:file { append };

allow update_engine gsi_metadata_file:dir search;
allow update_engine metadata_file:dir search;
allow update_engine rootfs:file { create write };
#####
allow update_engine proc_filesystems:file { getattr open read };
allow update_engine system_file:lnk_file { create rename };
allow update_engine system_lib_file:dir setattr;