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move mediacodec_samsung build config and sepolicy to gs-common

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1. mediacodec_samsung.te is copied from ag/20742869
2. add common settings which will be used by differnt vendor

Bug: 263444717
Test: build pass, camera record, youtube
Change-Id: I62a4c33ea59d1b3f70990f221b11fe9d905e15f1
This commit is contained in:
Ernie Hsu 2023-02-23 09:14:29 +00:00
parent 80fed77790
commit 1669f9bb60
10 changed files with 70 additions and 0 deletions
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mediacodec/common/mediacodec_common.mk Normal file
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# mediacodec_common for all build configs and sepolicy shared among different Codec HAL
# example 1: shared among multiple HALs on the same device
# example 2: shared among different Hals on different devices
BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/mediacodec/common/sepolicy

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mediacodec/common/sepolicy/file.te Normal file
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type vendor_media_data_file, file_type, data_file_type;

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mediacodec/common/sepolicy/file_contexts Normal file
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/data/vendor/media(/.*)? u:object_r:vendor_media_data_file:s0

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mediacodec/common/sepolicy/vndservice.te Normal file
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type eco_service, vndservice_manager_type;

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mediacodec/common/sepolicy/vndservice_contexts Normal file
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media.ecoservice u:object_r:eco_service:s0

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mediacodec/samsung/mediacodec_samsung.mk Normal file
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PRODUCT_SOONG_NAMESPACES += vendor/samsung_slsi/codec2
PRODUCT_PACKAGES += \
samsung.hardware.media.c2@1.2-service \
codec2.vendor.base.policy \
codec2.vendor.ext.policy \
libExynosC2ComponentStore \
libExynosC2H264Dec \
libExynosC2H264Enc \
libExynosC2HevcDec \
libExynosC2HevcEnc \
libExynosC2Mpeg4Dec \
libExynosC2Mpeg4Enc \
libExynosC2H263Dec \
libExynosC2H263Enc \
libExynosC2Vp8Dec \
libExynosC2Vp8Enc \
libExynosC2Vp9Dec \
libExynosC2Vp9Enc
BOARD_VENDOR_SEPOLICY_DIRS += device/google/gs-common/mediacodec/samsung/sepolicy

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mediacodec/samsung/sepolicy/file.te Normal file
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type sysfs_mfc, sysfs_type, fs_type;

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mediacodec/samsung/sepolicy/file_contexts Normal file
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# MFC
/vendor/bin/hw/samsung\.hardware\.media\.c2@1\.2-service u:object_r:mediacodec_samsung_exec:s0

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mediacodec/samsung/sepolicy/genfs_contexts Normal file
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genfscon sysfs /devices/platform/mfc/video4linux/video u:object_r:sysfs_mfc:s0

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mediacodec/samsung/sepolicy/mediacodec_samsung.te Normal file
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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;
# 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;
')