type mediaswcodec, domain; type mediaswcodec_exec, system_file_type, exec_type, file_type; hal_server_domain(mediaswcodec, hal_codec2) # mediaswcodec may use an input surface from a different Codec2 service or an # OMX service hal_client_domain(mediaswcodec, hal_codec2) hal_client_domain(mediaswcodec, hal_omx) hal_client_domain(mediaswcodec, hal_allocator) hal_client_domain(mediaswcodec, hal_graphics_allocator) crash_dump_fallback(mediaswcodec) # mediaswcodec_server should never execute any executable without a # domain transition neverallow mediaswcodec { file_type fs_type }:file execute_no_trans; # Media processing code is inherently risky and thus should have limited # permissions and be isolated from the rest of the system and network. # Lengthier explanation here: # https://android-developers.googleblog.com/2016/05/hardening-media-stack.html neverallow mediaswcodec domain:{ tcp_socket udp_socket rawip_socket } *; allow mediaswcodec dmabuf_system_heap_device:chr_file r_file_perms; allow mediaswcodec dmabuf_system_secure_heap_device:chr_file r_file_perms;