35 lines
1.4 KiB
Text
35 lines
1.4 KiB
Text
type mediacodec_google, domain;
|
|
type mediacodec_google_exec, exec_type, vendor_file_type, file_type;
|
|
|
|
init_daemon_domain(mediacodec_google)
|
|
|
|
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;
|
|
')
|