Merge "Update some descriptions and refine code" am: db9f10c8cc am: 4b07e37491
Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2063711
Change-Id: I636b3593f1b80bb9025db0cfda46630a3692dd61
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/service/src/com/android/server/connectivity/PermissionMonitor.java b/service/src/com/android/server/connectivity/PermissionMonitor.java
index 62b3add..c02d9cf 100755
--- a/service/src/com/android/server/connectivity/PermissionMonitor.java
+++ b/service/src/com/android/server/connectivity/PermissionMonitor.java
@@ -134,7 +134,9 @@
// Store appIds traffic permissions for each user.
// Keys are users, Values are SparseArrays where each entry maps an appId to the permissions
- // that appId has within that user.
+ // that appId has within that user. The permissions are a bitmask of PERMISSION_INTERNET and
+ // PERMISSION_UPDATE_DEVICE_STATS, or 0 (PERMISSION_NONE) if the app has neither of those
+ // permissions. They can never be PERMISSION_UNINSTALLED.
@GuardedBy("this")
private final Map<UserHandle, SparseIntArray> mUsersTrafficPermissions = new ArrayMap<>();
@@ -545,17 +547,21 @@
// Remove appIds traffic permission that belongs to the user
final SparseIntArray removedUserAppIds = mUsersTrafficPermissions.remove(user);
- // Generate appIds from left users.
+ // Generate appIds from the remaining users.
final SparseIntArray appIds = makeAppIdsTrafficPermForAllUsers();
+
+ if (removedUserAppIds == null) {
+ Log.wtf(TAG, "onUserRemoved: Receive unknown user=" + user);
+ return;
+ }
+
// Clear permission on those appIds belong to this user only, set the permission to
// PERMISSION_UNINSTALLED.
- if (removedUserAppIds != null) {
- for (int i = 0; i < removedUserAppIds.size(); i++) {
- final int appId = removedUserAppIds.keyAt(i);
- // Need to clear permission if the removed appId is not found in the array.
- if (appIds.indexOfKey(appId) < 0) {
- appIds.put(appId, PERMISSION_UNINSTALLED);
- }
+ for (int i = 0; i < removedUserAppIds.size(); i++) {
+ final int appId = removedUserAppIds.keyAt(i);
+ // Need to clear permission if the removed appId is not found in the array.
+ if (appIds.indexOfKey(appId) < 0) {
+ appIds.put(appId, PERMISSION_UNINSTALLED);
}
}
sendAppIdsTrafficPermission(appIds);
@@ -650,7 +656,6 @@
}
private synchronized void updateAppIdTrafficPermission(int uid) {
- final int appId = UserHandle.getAppId(uid);
final int uidTrafficPerm = getTrafficPermissionForUid(uid);
final SparseIntArray userTrafficPerms =
mUsersTrafficPermissions.get(UserHandle.getUserHandleForUid(uid));
@@ -661,6 +666,7 @@
// Do not put PERMISSION_UNINSTALLED into the array. If no package left on the uid
// (PERMISSION_UNINSTALLED), remove the appId from the array. Otherwise, update the latest
// permission to the appId.
+ final int appId = UserHandle.getAppId(uid);
if (uidTrafficPerm == PERMISSION_UNINSTALLED) {
userTrafficPerms.delete(appId);
} else {
@@ -984,10 +990,6 @@
*/
@VisibleForTesting
void sendAppIdsTrafficPermission(SparseIntArray netdPermissionsAppIds) {
- if (mNetd == null) {
- Log.e(TAG, "Failed to get the netd service");
- return;
- }
final ArrayList<Integer> allPermissionAppIds = new ArrayList<>();
final ArrayList<Integer> internetPermissionAppIds = new ArrayList<>();
final ArrayList<Integer> updateStatsPermissionAppIds = new ArrayList<>();