fd79c76365
Add necessary sepolicy. Bug: 262633230 Test: no avc denied for mediacodec_google Change-Id: I0b2a8a12d9d9a6484cf899fabdf213b8c9a279e9 Signed-off-by: Ruofei Ma <ruofeim@google.com>
35 lines
1.4 KiB
Text
35 lines
1.4 KiB
Text
type mediacodec_google, domain;
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type mediacodec_google_exec, exec_type, vendor_file_type, file_type;
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init_daemon_domain(mediacodec_google)
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vndbinder_use(mediacodec_google)
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hal_server_domain(mediacodec_google, hal_codec2)
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# mediacodec_google may use an input surface from a different Codec2 service
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hal_client_domain(mediacodec_google, hal_codec2)
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hal_client_domain(mediacodec_google, hal_graphics_allocator)
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allow mediacodec_google dmabuf_system_heap_device:chr_file r_file_perms;
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allow mediacodec_google dmabuf_system_secure_heap_device:chr_file r_file_perms;
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allow mediacodec_google video_device:chr_file rw_file_perms;
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allow mediacodec_google gpu_device:chr_file rw_file_perms;
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crash_dump_fallback(mediacodec_google)
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# mediacodec_google should never execute any executable without a domain transition
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neverallow mediacodec_google { file_type fs_type }:file execute_no_trans;
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# Media processing code is inherently risky and thus should have limited
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# permissions and be isolated from the rest of the system and network.
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# Lengthier explanation here:
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# https://android-developers.googleblog.com/2016/05/hardening-media-stack.html
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neverallow mediacodec_google domain:{ udp_socket rawip_socket } *;
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neverallow mediacodec_google { domain userdebug_or_eng(`-su') }:tcp_socket *;
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userdebug_or_eng(`
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allow mediacodec_google vendor_media_data_file:dir rw_dir_perms;
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allow mediacodec_google vendor_media_data_file:file create_file_perms;
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')
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