# HwBinder IPC from client to server binder_call(hal_configstore_client, hal_configstore_server) hal_attribute_hwservice(hal_configstore, hal_configstore_ISurfaceFlingerConfigs) # hal_configstore runs with a strict seccomp filter. Use crash_dump's # fallback path to collect crash data. crash_dump_fallback(hal_configstore_server) ### ### neverallow rules ### # Should never execute an executable without a domain transition neverallow hal_configstore_server { file_type fs_type }:file execute_no_trans; # Should never need network access. Disallow sockets except for # for unix stream/dgram sockets used for logging/debugging. neverallow hal_configstore_server domain:{ rawip_socket tcp_socket udp_socket netlink_route_socket netlink_selinux_socket socket netlink_socket packet_socket key_socket appletalk_socket netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket netlink_audit_socket netlink_dnrt_socket netlink_kobject_uevent_socket tun_socket netlink_iscsi_socket netlink_fib_lookup_socket netlink_connector_socket netlink_netfilter_socket netlink_generic_socket netlink_scsitransport_socket netlink_rdma_socket netlink_crypto_socket } *; neverallow hal_configstore_server { domain -hal_configstore_server -logd -prng_seeder userdebug_or_eng(`-su') -tombstoned }:{ unix_dgram_socket unix_stream_socket } *; # Should never need access to anything on /data neverallow hal_configstore_server { data_file_type -anr_data_file # for crash dump collection -tombstone_data_file # for crash dump collection with_native_coverage(`-method_trace_data_file') }:{ file fifo_file sock_file } *; # Should never need sdcard access neverallow hal_configstore_server { sdcard_type fuse sdcardfs vfat exfat fuseblk # manual expansion for completeness }:dir ~getattr; neverallow hal_configstore_server { sdcard_type fuse sdcardfs vfat exfat fuseblk # manual expansion for completeness }:file *; # Do not permit access to service_manager and vndservice_manager neverallow hal_configstore_server *:service_manager *; # No privileged capabilities neverallow hal_configstore_server self:capability_class_set *; # No ptracing other processes neverallow hal_configstore_server *:process ptrace; # no relabeling neverallow hal_configstore_server *:dir_file_class_set { relabelfrom relabelto };