Evolution-X-Tensor/device_google_zuma
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Merge "mediacodec_google: updated sepolicy"

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TreeHugger Robot 2022-12-21 04:58:31 +00:00 • committed by Android (Google) Code Review
commit e9868935cf
2 changed files with 21 additions and 19 deletions
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19
tracking_denials/mediacodec_google.te
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@ -1,19 +0,0 @@
# b/262633230
dontaudit mediacodec_google vndbinder_device:chr_file { ioctl };
# b/262793920
dontaudit mediacodec_google dmabuf_system_heap_device:chr_file { getattr };
dontaudit mediacodec_google hwservicemanager:binder { call };
dontaudit mediacodec_google hwservicemanager:binder { transfer };
dontaudit mediacodec_google hwservicemanager_prop:file { getattr };
dontaudit mediacodec_google hwservicemanager_prop:file { map };
dontaudit mediacodec_google hwservicemanager_prop:file { open };
dontaudit mediacodec_google hwservicemanager_prop:file { read };
dontaudit mediacodec_google mediaserver:binder { transfer };
dontaudit mediacodec_google platform_app:binder { transfer };
dontaudit mediacodec_google system_server:binder { transfer };
dontaudit mediacodec_google vndbinder_device:chr_file { map };
dontaudit mediacodec_google vndbinder_device:chr_file { open };
dontaudit mediacodec_google vndbinder_device:chr_file { read };
dontaudit mediacodec_google vndbinder_device:chr_file { write };
# b/263185431
dontaudit mediacodec_google nfc:binder { transfer };

21
vendor/mediacodec_google.te vendored
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@ -3,6 +3,22 @@ type mediacodec_google_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(mediacodec_google) 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 # mediacodec_google should never execute any executable without a domain transition
neverallow mediacodec_google { file_type fs_type }:file execute_no_trans; neverallow mediacodec_google { file_type fs_type }:file execute_no_trans;
@ -12,3 +28,8 @@ neverallow mediacodec_google { file_type fs_type }:file execute_no_trans;
# https://android-developers.googleblog.com/2016/05/hardening-media-stack.html # https://android-developers.googleblog.com/2016/05/hardening-media-stack.html
neverallow mediacodec_google domain:{ udp_socket rawip_socket } *; neverallow mediacodec_google domain:{ udp_socket rawip_socket } *;
neverallow mediacodec_google { domain userdebug_or_eng(`-su') }:tcp_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;
')