| 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; |
