4b3893f90b
The ctl_default_prop label is a bit too generic for some of the priveleged domains when describing access rights. Instead, be explicit about which services are being started and stopped by introducing new ctl property keys. Change-Id: I1d0c6f6b3e8bd63da30bd6c7b084da44f063246a Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>
69 lines
2.2 KiB
Plaintext
69 lines
2.2 KiB
Plaintext
# surfaceflinger - display compositor service
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type surfaceflinger, domain;
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permissive_or_unconfined(surfaceflinger)
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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_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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###
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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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# TODO: Remove -unconfineddomain when we remove permissive_or_unconfined above.
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neverallow { surfaceflinger -unconfineddomain } sdcard_type:file rw_file_perms;
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