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49 lines
1.9 KiB
49 lines
1.9 KiB
# cameraserver - camera daemon |
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type cameraserver, domain; |
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type cameraserver_exec, exec_type, file_type; |
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binder_use(cameraserver) |
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binder_call(cameraserver, binderservicedomain) |
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binder_call(cameraserver, appdomain) |
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binder_service(cameraserver) |
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hal_client_domain(cameraserver, hal_camera) |
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hal_client_domain(cameraserver, hal_graphics_allocator) |
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allow cameraserver ion_device:chr_file rw_file_perms; |
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# Talk with graphics composer fences |
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allow cameraserver hal_graphics_composer:fd use; |
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add_service(cameraserver, cameraserver_service) |
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allow cameraserver appops_service:service_manager find; |
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allow cameraserver audioserver_service:service_manager find; |
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allow cameraserver batterystats_service:service_manager find; |
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allow cameraserver cameraproxy_service:service_manager find; |
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allow cameraserver mediaserver_service:service_manager find; |
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allow cameraserver processinfo_service:service_manager find; |
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allow cameraserver scheduling_policy_service:service_manager find; |
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allow cameraserver surfaceflinger_service:service_manager find; |
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allow cameraserver hidl_token_hwservice:hwservice_manager find; |
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### |
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### neverallow rules |
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### |
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# cameraserver should never execute any executable without a |
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# domain transition |
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neverallow cameraserver { file_type fs_type }:file execute_no_trans; |
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# The goal of the mediaserver split is to place media processing code into |
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# restrictive sandboxes with limited responsibilities and thus limited |
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# permissions. Example: Audioserver is only responsible for controlling audio |
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# hardware and processing audio content. Cameraserver does the same for camera |
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# hardware/content. Etc. |
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# |
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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 cameraserver domain:{ tcp_socket udp_socket rawip_socket } *;
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