cd82557d40
All domains are currently granted list and find service_manager permissions, but this is not necessary. Pare the permissions which did not trigger any of the auditallow reporting. Bug: 18106000 Change-Id: Ie0ce8de2af8af2cbe4ce388a2dcf4534694c994a
73 lines
2.3 KiB
Text
73 lines
2.3 KiB
Text
# surfaceflinger - display compositor service
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type surfaceflinger, domain;
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type surfaceflinger_exec, exec_type, file_type;
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init_daemon_domain(surfaceflinger)
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typeattribute surfaceflinger mlstrustedsubject;
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# Talk to init over the property socket.
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unix_socket_connect(surfaceflinger, property, init)
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# Perform Binder IPC.
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binder_use(surfaceflinger)
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binder_call(surfaceflinger, binderservicedomain)
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binder_call(surfaceflinger, appdomain)
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binder_call(surfaceflinger, bootanim)
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binder_service(surfaceflinger)
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# Binder IPC to bu, presently runs in adbd domain.
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binder_call(surfaceflinger, adbd)
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# Read /proc/pid files for Binder clients.
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r_dir_file(surfaceflinger, binderservicedomain)
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r_dir_file(surfaceflinger, appdomain)
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# Access the GPU.
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allow surfaceflinger gpu_device:chr_file rw_file_perms;
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# Access /dev/graphics/fb0.
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allow surfaceflinger graphics_device:dir search;
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allow surfaceflinger graphics_device:chr_file rw_file_perms;
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# Access /dev/video1.
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allow surfaceflinger video_device:dir r_dir_perms;
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allow surfaceflinger video_device:chr_file rw_file_perms;
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# Create and use netlink kobject uevent sockets.
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allow surfaceflinger self:netlink_kobject_uevent_socket create_socket_perms;
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# Set properties.
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allow surfaceflinger system_prop:property_service set;
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allow surfaceflinger ctl_bootanim_prop:property_service set;
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# Use open files supplied by an app.
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allow surfaceflinger appdomain:fd use;
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allow surfaceflinger app_data_file:file { read write };
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# Use open file provided by bootanim.
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allow surfaceflinger bootanim:fd use;
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# Allow a dumpstate triggered screenshot
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binder_call(surfaceflinger, dumpstate)
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binder_call(surfaceflinger, shell)
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r_dir_file(surfaceflinger, dumpstate)
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# Needed on some devices for playing DRM protected content,
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# but seems expected and appropriate for all devices.
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allow surfaceflinger tee:unix_stream_socket connectto;
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allow surfaceflinger tee_device:chr_file rw_file_perms;
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# media.player service
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allow surfaceflinger mediaserver_service:service_manager find;
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allow surfaceflinger surfaceflinger_service:service_manager { add find };
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allow surfaceflinger system_server_service:service_manager find;
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###
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### Neverallow rules
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###
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### surfaceflinger should NEVER do any of this
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# Do not allow accessing SDcard files as unsafe ejection could
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# cause the kernel to kill the process.
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neverallow surfaceflinger sdcard_type:file rw_file_perms;
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