DivestOS/Patches/LineageOS-18.1/android_frameworks_native/0001-Sensors.patch

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From fbe7bf4aec5c1f436f3750f2136ebdc580564a3a Mon Sep 17 00:00:00 2001
From: MSe1969 <mse1969@posteo.de>
Date: Sat, 14 Nov 2020 13:21:18 +0100
Subject: [PATCH] AppOps: New Op for (Other) sensors access
* Add new sensor op to enum
* Invoke OP_OTHER_SENSORS as default
* Adapt logic for checking the Ops, if no permission is linked
cherry-picked from lin17-microG and adapted for R
Change-Id: If4011566a391314afed9a26e1dcf6e4bc838e4f7
---
libs/binder/include/binder/AppOpsManager.h | 3 ++-
libs/sensor/Sensor.cpp | 1 +
services/sensorservice/SensorService.cpp | 10 ++++++----
3 files changed, 9 insertions(+), 5 deletions(-)
diff --git a/libs/binder/include/binder/AppOpsManager.h b/libs/binder/include/binder/AppOpsManager.h
index d93935ae5d..4a8c36f5b2 100644
--- a/libs/binder/include/binder/AppOpsManager.h
+++ b/libs/binder/include/binder/AppOpsManager.h
@@ -135,7 +135,8 @@ class AppOpsManager
OP_PHONE_CALL_MICROPHONE = 100,
OP_PHONE_CALL_CAMERA = 101,
OP_RECORD_AUDIO_HOTWORD = 102,
- _NUM_OP = 103
+ OP_OTHER_SENSORS = 103,
+ _NUM_OP = 104
};
AppOpsManager();
diff --git a/libs/sensor/Sensor.cpp b/libs/sensor/Sensor.cpp
index 9d817ae0bd..76d365d5f7 100644
--- a/libs/sensor/Sensor.cpp
+++ b/libs/sensor/Sensor.cpp
@@ -59,6 +59,7 @@ Sensor::Sensor(struct sensor_t const& hwSensor, const uuid_t& uuid, int halVersi
mMinDelay = hwSensor.minDelay;
mFlags = 0;
mUuid = uuid;
+ mRequiredAppOp = AppOpsManager::OP_OTHER_SENSORS; //default, other values are explicitly set
// Set fifo event count zero for older devices which do not support batching. Fused
// sensors also have their fifo counts set to zero.
diff --git a/services/sensorservice/SensorService.cpp b/services/sensorservice/SensorService.cpp
index 3ca34bba1b..8a62b2bb9c 100644
--- a/services/sensorservice/SensorService.cpp
+++ b/services/sensorservice/SensorService.cpp
@@ -1798,10 +1798,9 @@ status_t SensorService::flushSensor(const sp<SensorEventConnection>& connection,
bool SensorService::canAccessSensor(const Sensor& sensor, const char* operation,
const String16& opPackageName) {
+
// Check if a permission is required for this sensor
- if (sensor.getRequiredPermission().length() <= 0) {
- return true;
- }
+ bool noAssociatedPermission = (sensor.getRequiredPermission().length() <= 0);
const int32_t opCode = sensor.getRequiredAppOp();
const int32_t appOpMode = sAppOpsManager.checkOp(opCode,
@@ -1816,7 +1815,10 @@ bool SensorService::canAccessSensor(const Sensor& sensor, const char* operation,
// Allow access to step sensors if the application targets pre-Q, which is before the
// requirement to hold the AR permission to access Step Counter and Step Detector events
// was introduced.
- canAccess = true;
+ // [MSe1969: Of course only, if AppOpAllowed]
+ canAccess = appOpAllowed;
+ } else if (noAssociatedPermission) {
+ canAccess = appOpAllowed;
} else if (hasPermissionForSensor(sensor)) {
// Ensure that the AppOp is allowed, or that there is no necessary app op for the sensor
if (opCode < 0 || appOpAllowed) {