type keystore, domain, domain_deprecated; type keystore_exec, exec_type, file_type; # keystore daemon typeattribute keystore mlstrustedsubject; binder_use(keystore) binder_service(keystore) binder_call(keystore, system_server) # talk to keymaster hal_client_domain(keystore, hal_keymaster) # Offer the Wifi Keystore HwBinder service hwbinder_use(keystore) typeattribute keystore wifi_keystore_service_server; allow keystore keystore_data_file:dir create_dir_perms; allow keystore keystore_data_file:notdevfile_class_set create_file_perms; allow keystore keystore_exec:file { getattr }; add_service(keystore, keystore_service) allow keystore sec_key_att_app_id_provider_service:service_manager find; # Check SELinux permissions. selinux_check_access(keystore) r_dir_file(keystore, cgroup) ### ### Neverallow rules ### ### Protect ourself from others ### neverallow { domain -keystore } keystore_data_file:dir ~{ open create read getattr setattr search relabelto ioctl }; neverallow { domain -keystore } keystore_data_file:notdevfile_class_set ~{ relabelto getattr }; neverallow { domain -keystore -init } keystore_data_file:dir *; neverallow { domain -keystore -init } keystore_data_file:notdevfile_class_set *; neverallow * keystore:process ptrace;