Jerry Huang 68c40b065f mediacodec_samsung: allow to write force_empty count
Bug: 294335163
Test: android.mediapc.cts.MultiDecoderPerfTest#test4kHbd[6_video/hevc_c2.exynos.hevc.decoder.secure_true]
Change-Id: I9c9dfcd8f103900b3e92e9bd8e1f350432f4b36a
2023-09-27 02:50:34 +00:00

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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)
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;
allow mediacodec_samsung sysfs_force_empty:dir r_file_perms;
allow mediacodec_samsung sysfs_force_empty:file rw_file_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;
')