| type mediacodec_samsung, domain; |
| type mediacodec_samsung_exec, vendor_file_type, exec_type, file_type; |
| init_daemon_domain(mediacodec_samsung) |
| |
| hal_server_domain(mediacodec_samsung, hal_codec2) |
| add_service(mediacodec_samsung, eco_service) |
| |
| # can route /dev/binder traffic to /dev/vndbinder |
| vndbinder_use(mediacodec_samsung) |
| |
| allow mediacodec_samsung video_device:chr_file rw_file_perms; |
| allow mediacodec_samsung dmabuf_system_heap_device:chr_file r_file_perms; |
| allow mediacodec_samsung gpu_device:chr_file rw_file_perms; |
| |
| allow mediacodec_samsung sysfs_mfc:file r_file_perms; |
| allow mediacodec_samsung sysfs_mfc:dir r_dir_perms; |
| |
| # can use graphics allocator |
| hal_client_domain(mediacodec_samsung, hal_graphics_allocator) |
| |
| binder_call(mediacodec_samsung, hal_camera_default) |
| |
| crash_dump_fallback(mediacodec_samsung) |
| |
| # mediacodec_samsung should never execute any executable without a domain transition |
| neverallow mediacodec_samsung { 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 mediacodec_samsung domain:{ udp_socket rawip_socket } *; |
| neverallow mediacodec_samsung { domain userdebug_or_eng(`-su') }:tcp_socket *; |
| |
| userdebug_or_eng(` |
| allow mediacodec_samsung vendor_media_data_file:dir rw_dir_perms; |
| allow mediacodec_samsung vendor_media_data_file:file create_file_perms; |
| ') |
