| # 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 |
| userdebug_or_eng(`-su') |
| -tombstoned |
| userdebug_or_eng(`-heapprofd') |
| }:{ 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 |
| -zoneinfo_data_file # granted to domain |
| 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 # manual expansion for completeness |
| }:dir ~getattr; |
| neverallow hal_configstore_server { |
| sdcard_type |
| fuse sdcardfs vfat exfat # 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 }; |