type mediacodec_google, domain;
type mediacodec_google_exec, exec_type, vendor_file_type, file_type;

init_daemon_domain(mediacodec_google)

# can route /dev/binder traffic to /dev/vndbinder
vndbinder_use(mediacodec_google)

hal_server_domain(mediacodec_google, hal_codec2)

# mediacodec_google may use an input surface from a different Codec2 service
hal_client_domain(mediacodec_google, hal_codec2)

hal_client_domain(mediacodec_google, hal_graphics_allocator)

allow mediacodec_google dmabuf_system_heap_device:chr_file r_file_perms;
allow mediacodec_google dmabuf_system_secure_heap_device:chr_file r_file_perms;
allow mediacodec_google video_device:chr_file rw_file_perms;
allow mediacodec_google gpu_device:chr_file rw_file_perms;

crash_dump_fallback(mediacodec_google)

# mediacodec_google should never execute any executable without a domain transition
neverallow mediacodec_google { 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_google domain:{ udp_socket rawip_socket } *;
neverallow mediacodec_google { domain userdebug_or_eng(`-su') }:tcp_socket *;

userdebug_or_eng(`
 allow mediacodec_google vendor_media_data_file:dir rw_dir_perms;
 allow mediacodec_google vendor_media_data_file:file create_file_perms;
')
