platform_system_sepolicy/public/hal_graphics_composer.te
Ady Abraham 3f045e296e Allow hal_graphics_composer to write to a pipe
We would like SurfaceFlinger to be able to create a pipe and provide
the write-end to the graphics composer to dump debug info for dumpsys.
    
 Bug: 220171623
 Test: atest VtsHalGraphicsComposer3_TargetTest
 Test: adb shell dumpsys SurfaceFlinger
 Test: adb shell dumpsys android.hardware.graphics.composer3.IComposer/default

Change-Id: Ie2cbe76fb0d224235a8ea99f68a20e2139e1cc56
2022-02-19 01:09:41 +00:00

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1.7 KiB
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type hal_graphics_composer_server_tmpfs, file_type;
attribute hal_graphics_composer_client_tmpfs;
expandattribute hal_graphics_composer_client_tmpfs true;
# HwBinder IPC from client to server, and callbacks
binder_call(hal_graphics_composer_client, hal_graphics_composer_server)
binder_call(hal_graphics_composer_server, hal_graphics_composer_client)
allow hal_graphics_composer_client hal_graphics_composer_server_tmpfs:file { getattr map read write };
allow hal_graphics_composer_server hal_graphics_composer_client_tmpfs:file { getattr map read write };
hal_attribute_hwservice(hal_graphics_composer, hal_graphics_composer_hwservice)
# Coordinate with hal_graphics_mapper
allow hal_graphics_composer_server hal_graphics_mapper_hwservice:hwservice_manager find;
# GPU device access
allow hal_graphics_composer gpu_device:chr_file rw_file_perms;
allow hal_graphics_composer ion_device:chr_file r_file_perms;
allow hal_graphics_composer dmabuf_system_heap_device:chr_file r_file_perms;
allow hal_graphics_composer hal_graphics_allocator:fd use;
# Access /dev/graphics/fb0.
allow hal_graphics_composer graphics_device:dir search;
allow hal_graphics_composer graphics_device:chr_file rw_file_perms;
# Fences
allow hal_graphics_composer system_server:fd use;
allow hal_graphics_composer bootanim:fd use;
allow hal_graphics_composer appdomain:fd use;
# allow self to set SCHED_FIFO
allow hal_graphics_composer self:global_capability_class_set sys_nice;
# allow surfaceflinger to use a pipe for dumpsys output
allow hal_graphics_composer_server hal_graphics_composer_client:fifo_file write;
binder_call(hal_graphics_composer_client, servicemanager)
binder_call(hal_graphics_composer_server, servicemanager)
hal_attribute_service(hal_graphics_composer, hal_graphics_composer_service)