[MS68.3] Address comments at aosp/1958144
Test: atest TrafficStatsTest NetworkUsageStatsTest FrameworksNetTests
Bug: 204830222
(cherry-picked from ag/16813003)
Change-Id: I5a54b44294021d64d8506eeb570db0db8544472a
Merged-In: I5a54b44294021d64d8506eeb570db0db8544472a
diff --git a/framework-t/src/android/app/usage/NetworkStatsManager.java b/framework-t/src/android/app/usage/NetworkStatsManager.java
index 0414bb7..221a848 100644
--- a/framework-t/src/android/app/usage/NetworkStatsManager.java
+++ b/framework-t/src/android/app/usage/NetworkStatsManager.java
@@ -740,8 +740,9 @@
* {@link #unregisterUsageCallback} is called.
*
* @param template Template used to match networks. See {@link NetworkTemplate}.
- * @param thresholdBytes Threshold in bytes to be notified on. The provided value that lower
- * than 2MiB will be clamped for non-privileged callers.
+ * @param thresholdBytes Threshold in bytes to be notified on. Provided values lower than 2MiB
+ * will be clamped for callers except callers with the NETWORK_STACK
+ * permission.
* @param executor The executor on which callback will be invoked. The provided {@link Executor}
* must run callback sequentially, otherwise the order of callbacks cannot be
* guaranteed.
@@ -750,6 +751,9 @@
* @hide
*/
@SystemApi(client = MODULE_LIBRARIES)
+ @RequiresPermission(anyOf = {
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK,
+ android.Manifest.permission.NETWORK_STACK}, conditional = true)
public void registerUsageCallback(@NonNull NetworkTemplate template, long thresholdBytes,
@NonNull @CallbackExecutor Executor executor, @NonNull UsageCallback callback) {
Objects.requireNonNull(template, "NetworkTemplate cannot be null");
diff --git a/service-t/src/com/android/server/net/NetworkStatsObservers.java b/service-t/src/com/android/server/net/NetworkStatsObservers.java
index 1953624..fdfc893 100644
--- a/service-t/src/com/android/server/net/NetworkStatsObservers.java
+++ b/service-t/src/com/android/server/net/NetworkStatsObservers.java
@@ -19,8 +19,11 @@
import static android.app.usage.NetworkStatsManager.MIN_THRESHOLD_BYTES;
import android.app.usage.NetworkStatsManager;
+import android.content.Context;
+import android.content.pm.PackageManager;
import android.net.DataUsageRequest;
import android.net.NetworkIdentitySet;
+import android.net.NetworkStack;
import android.net.NetworkStats;
import android.net.NetworkStatsAccess;
import android.net.NetworkStatsCollection;
@@ -74,9 +77,9 @@
*
* @return the normalized request wrapped within {@link RequestInfo}.
*/
- public DataUsageRequest register(DataUsageRequest inputRequest, IUsageCallback callback,
- int callingUid, @NetworkStatsAccess.Level int accessLevel) {
- DataUsageRequest request = buildRequest(inputRequest, callingUid);
+ public DataUsageRequest register(Context context, DataUsageRequest inputRequest,
+ IUsageCallback callback, int callingUid, @NetworkStatsAccess.Level int accessLevel) {
+ DataUsageRequest request = buildRequest(context, inputRequest, callingUid);
RequestInfo requestInfo = buildRequestInfo(request, callback, callingUid,
accessLevel);
@@ -194,10 +197,13 @@
}
}
- private DataUsageRequest buildRequest(DataUsageRequest request, int callingUid) {
- // For non-system uid, cap the minimum threshold to a safe default to avoid too
- // many callbacks.
- long thresholdInBytes = (callingUid == Process.SYSTEM_UID ? request.thresholdInBytes
+ private DataUsageRequest buildRequest(Context context, DataUsageRequest request,
+ int callingUid) {
+ // For non-NETWORK_STACK permission uid, cap the minimum threshold to a safe default to
+ // avoid too many callbacks.
+ final long thresholdInBytes = (context.checkPermission(
+ NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK, Process.myPid(), callingUid)
+ == PackageManager.PERMISSION_GRANTED ? request.thresholdInBytes
: Math.max(MIN_THRESHOLD_BYTES, request.thresholdInBytes));
if (thresholdInBytes > request.thresholdInBytes) {
Log.w(TAG, "Threshold was too low for " + request
diff --git a/service-t/src/com/android/server/net/NetworkStatsService.java b/service-t/src/com/android/server/net/NetworkStatsService.java
index 1579f1e..775a47d 100644
--- a/service-t/src/com/android/server/net/NetworkStatsService.java
+++ b/service-t/src/com/android/server/net/NetworkStatsService.java
@@ -1285,7 +1285,7 @@
DataUsageRequest normalizedRequest;
final long token = Binder.clearCallingIdentity();
try {
- normalizedRequest = mStatsObservers.register(
+ normalizedRequest = mStatsObservers.register(mContext,
request, callback, callingUid, accessLevel);
} finally {
Binder.restoreCallingIdentity(token);