be04b091bb
Test: binderHostDeviceTest Bug: 182914638 Change-Id: I1c8d3b2194bc20bd2bcde566190aa5c73d7e7db9
39 lines
1.4 KiB
Text
39 lines
1.4 KiB
Text
type mediacodec, domain, mlstrustedsubject;
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type mediacodec_exec, exec_type, vendor_file_type, file_type;
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init_daemon_domain(mediacodec)
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# can route /dev/binder traffic to /dev/vndbinder
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vndbinder_use(mediacodec)
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hal_server_domain(mediacodec, hal_codec2)
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hal_server_domain(mediacodec, hal_omx)
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# mediacodec may use an input surface from a different Codec2 or OMX service
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hal_client_domain(mediacodec, hal_codec2)
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hal_client_domain(mediacodec, hal_omx)
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hal_client_domain(mediacodec, hal_allocator)
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hal_client_domain(mediacodec, hal_graphics_allocator)
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allow mediacodec gpu_device:chr_file rw_file_perms;
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allow mediacodec ion_device:chr_file rw_file_perms;
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allow mediacodec dmabuf_system_heap_device:chr_file r_file_perms;
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allow mediacodec video_device:chr_file rw_file_perms;
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allow mediacodec video_device:dir search;
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crash_dump_fallback(mediacodec)
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# get aac_drc_* properties
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get_prop(mediacodec, aac_drc_prop)
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# mediacodec should never execute any executable without a domain transition
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neverallow mediacodec { 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 domain:{ udp_socket rawip_socket } *;
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neverallow mediacodec { domain userdebug_or_eng(`-su') }:tcp_socket *;
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