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Allow sensors daemon to read hardware version files

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Permit the sensors daemon to read files in /sys/devices/soc0, which is
used to identify the hardware revision it is running on, so it can
properly handle registry variations.

Addresses these denials (and more which would occur if only the blocked
operations were permitted):

type=1400 audit(2017551.030:4): avc: denied { getattr } for pid=805
comm="sensors.qcom" path="/sys/devices/soc0/hw_platform" dev="sysfs"
ino=50525 scontext=u:r:sensors:s0 tcontext=u:object_r:sysfs_soc:s0
tclass=file permissive=0

Bug: 63857630
Bug: 63901499
Test: confirm denials do not appear on boot, sanity check all sensors
provide data, run sensors CTS
Change-Id: I2ba59a21b22d09af03226d5993d80e1d868bf607
This commit is contained in:
Brian Duddie
2017-07-19 13:37:32 -07:00
parent b04b13e976
commit b5e50bed86
1 changed files with 3 additions and 1 deletions
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4
sepolicy/vendor/sensors.te vendored
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@@ -21,5 +21,7 @@ allow sensors sensors_vendor_data_file:file create_file_perms;
allow sensors system_file:dir r_dir_perms;
allow sensors sensors_device:chr_file rw_file_perms;
allow sensors sysfs_soc:dir search;
allow sensors sysfs_soc:dir r_dir_perms;
allow sensors sysfs_soc:file r_file_perms;
r_dir_file(sensors, sysfs_msm_subsys)