tree 6d8fb2771ff8af0ac648ea8c5082fd5664430ba6
parent db0953db645327f80788417ae34ecc7a5979e7dd
author Steve Pfetsch <spfetsch@google.com> 1695240311 -0700
committer Steve Pfetsch <spfetsch@google.com> 1695240311 -0700

DiagnosticsTool permissions for accessing touch calibration interface

Grant the DiagnosticsTool (priv_app domain) access to the GTI touch
driver's interactive_calibration interface. This patch does not create a
domain for the DaignosticsTool (see b/301300623).

Fixes these denials:
avc:  denied  { write } for  comm="diagnosticstool" name="interactive_calibrate" dev="sysfs" ino=105273 scontext=u:r:priv_app:s0:c512,c768 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=1 app=com.google.android.apps.diagnosticstool
avc:  denied  { open } for  comm="diagnosticstool" path="/sys/devices/virtual/goog_touch_interface/gti.0/interactive_calibrate" dev="sysfs" ino=105273 scontext=u:r:priv_app:s0:c512,c768 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=1 app=com.google.android.apps.diagnosticstool
avc:  denied  { getattr } for  comm="diagnosticstool" path="/sys/devices/virtual/goog_touch_interface/gti.0/interactive_calibrate" dev="sysfs" ino=105273 scontext=u:r:priv_app:s0:c512,c768 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=1 app=com.google.android.apps.diagnosticstool
avc:  denied  { read } for  comm="diagnosticstool" name="interactive_calibrate" dev="sysfs" ino=105273 scontext=u:r:priv_app:s0:c512,c768 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=1 app=com.google.android.apps.diagnosticstool

Without mlstrustedobject, this denial occurs:
avc:  denied  { write } for  comm="diagnosticstool" name="interactive_calibrate" dev="sysfs" ino=106943 scontext=u:r:priv_app:s0:c512,c768 tcontext=u:object_r:sysfs_touch_gti:s0 tclass=file permissive=0 app=com.google.android.apps.diagnosticstool

Bug: 230050981
Change-Id: I6acbb83c5b4100cb1ae332412b2e4d7f163d300a
Signed-off-by: Steve Pfetsch <spfetsch@google.com>