platform_system_sepolicy/public/mediaswcodec.te
Pawin Vongmasa 609c243dd0 Properly define hal_codec2 and related policies
Test: make cts -j123 && cts-tradefed run cts-dev -m \
CtsMediaTestCases --compatibility:module-arg \
CtsMediaTestCases:include-annotation:\
android.platform.test.annotations.RequiresDevice

Bug: 131677974
Change-Id: I59c3d225499a8c53c2ed9f3bd677ff3d7423990b
2019-05-23 03:53:47 -07:00

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type mediaswcodec, domain;
type mediaswcodec_exec, system_file_type, exec_type, file_type;
hal_server_domain(mediaswcodec, hal_codec2)
# mediaswcodec may use an input surface from a different Codec2 service or an
# OMX service
hal_client_domain(mediaswcodec, hal_codec2)
hal_client_domain(mediaswcodec, hal_omx)
hal_client_domain(mediaswcodec, hal_allocator)
hal_client_domain(mediaswcodec, hal_graphics_allocator)
get_prop(mediaswcodec, device_config_media_native_prop)
crash_dump_fallback(mediaswcodec)
# mediaswcodec_server should never execute any executable without a
# domain transition
neverallow mediaswcodec { 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 mediaswcodec domain:{ tcp_socket udp_socket rawip_socket } *;