df68b9bc58
Bug: 370903762
Test: local test to check permissions
Flag: EXEMPT bug fix
10-07 01:54:59.328000 1046 768 768 I auditd : type=1400 audit(0.0:1920): avc: denied { call } for comm="binder:768_A" scontext=u:r:mediacodec_google:s0 tcontext=u:r:hal_camera_default:s0 tclass=binder permissive=0
10-07 01:54:59.328000 1046 768 768 W binder:768_A: type=1400 audit(0.0:1920): avc: denied { call } for scontext=u:r:mediacodec_google:s0 tcontext=u:r:hal_camera_default:s0 tclass=binder permissive=0
Change-Id: I437df92d99f0c31c0b5a1bdebc63f6bc7360ca90
33 lines
1.3 KiB
Text
33 lines
1.3 KiB
Text
# Google Mediacodec
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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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hal_server_domain(mediacodec_google, hal_codec2)
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hal_client_domain(mediacodec_google, hal_graphics_allocator)
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add_service(mediacodec_google, eco_service)
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binder_call(mediacodec_google, hal_camera_default)
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allow mediacodec_google dmabuf_system_heap_device:chr_file r_file_perms;
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allow mediacodec_google video_device:chr_file { read write open ioctl map };
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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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# Allow HAL to send trace packets to Perfetto
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userdebug_or_eng(`perfetto_producer(mediacodec_google)')
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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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