30 lines
1.2 KiB
Text
30 lines
1.2 KiB
Text
type mediaswcodec, domain;
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type mediaswcodec_exec, system_file_type, exec_type, file_type;
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hal_server_domain(mediaswcodec, hal_codec2)
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# mediaswcodec may use an input surface from a different Codec2 service or an
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# OMX service
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hal_client_domain(mediaswcodec, hal_codec2)
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hal_client_domain(mediaswcodec, hal_omx)
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hal_client_domain(mediaswcodec, hal_allocator)
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hal_client_domain(mediaswcodec, hal_graphics_allocator)
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crash_dump_fallback(mediaswcodec)
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# mediaswcodec_server should never execute any executable without a
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# domain transition
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neverallow mediaswcodec { 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 mediaswcodec domain:{ udp_socket rawip_socket } *;
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neverallow mediaswcodec { domain userdebug_or_eng(`-su') }:tcp_socket *;
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allow mediaswcodec dmabuf_system_heap_device:chr_file r_file_perms;
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allow mediaswcodec dmabuf_system_secure_heap_device:chr_file r_file_perms;
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allow mediaswcodec gpu_device:chr_file rw_file_perms;
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allow mediaswcodec gpu_device:dir r_dir_perms;
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