Merge changes I90bf7957,If58524b0

* changes:
  Fix privileged apps calling registerDefaultNetworkCallback.
  Test a bug with NETWORK_SETTINGS+registerDefaultNetworkCallback.
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 3923063..6fcb3f7 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -6116,10 +6116,15 @@
     private NetworkCapabilities copyDefaultNetworkCapabilitiesForUid(
             @NonNull final NetworkCapabilities netCapToCopy, @NonNull final int requestorUid,
             @NonNull final String requestorPackageName) {
+        // These capabilities are for a TRACK_DEFAULT callback, so:
+        // 1. Remove NET_CAPABILITY_VPN, because it's (currently!) the only difference between
+        //    mDefaultRequest and a per-UID default request.
+        //    TODO: stop depending on the fact that these two unrelated things happen to be the same
+        // 2. Always set the UIDs to mAsUid. restrictRequestUidsForCallerAndSetRequestorInfo will
+        //    not do this in the case of a privileged application.
         final NetworkCapabilities netCap = new NetworkCapabilities(netCapToCopy);
         netCap.removeCapability(NET_CAPABILITY_NOT_VPN);
         netCap.setSingleUid(requestorUid);
-        netCap.setUids(new ArraySet<>());
         restrictRequestUidsForCallerAndSetRequestorInfo(
                 netCap, requestorUid, requestorPackageName);
         return netCap;
diff --git a/tests/net/java/com/android/server/ConnectivityServiceTest.java b/tests/net/java/com/android/server/ConnectivityServiceTest.java
index cc1bee5..ed9a44b 100644
--- a/tests/net/java/com/android/server/ConnectivityServiceTest.java
+++ b/tests/net/java/com/android/server/ConnectivityServiceTest.java
@@ -7487,6 +7487,9 @@
         final NetworkRequest vpnUidRequest = new NetworkRequest.Builder().build();
         registerNetworkCallbackAsUid(vpnUidRequest, vpnUidCallback, VPN_UID);
 
+        final TestNetworkCallback vpnUidDefaultCallback = new TestNetworkCallback();
+        registerDefaultNetworkCallbackAsUid(vpnUidDefaultCallback, VPN_UID);
+
         final int uid = Process.myUid();
         final int userId = UserHandle.getUserId(uid);
         final ArrayList<String> allowList = new ArrayList<>();
@@ -7505,6 +7508,7 @@
         callback.expectAvailableCallbacksUnvalidatedAndBlocked(mWiFiNetworkAgent);
         defaultCallback.expectAvailableCallbacksUnvalidatedAndBlocked(mWiFiNetworkAgent);
         vpnUidCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
+        vpnUidDefaultCallback.expectAvailableCallbacksUnvalidated(mWiFiNetworkAgent);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.BLOCKED);
@@ -7517,6 +7521,7 @@
         callback.expectBlockedStatusCallback(false, mWiFiNetworkAgent);
         defaultCallback.expectBlockedStatusCallback(false, mWiFiNetworkAgent);
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
         expectNetworkRejectNonSecureVpn(inOrder, false, firstHalf, secondHalf);
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
@@ -7531,6 +7536,7 @@
         callback.assertNoCallback();
         defaultCallback.assertNoCallback();
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
 
         // The following requires that the UID of this test package is greater than VPN_UID. This
         // is always true in practice because a plain AOSP build with no apps installed has almost
@@ -7551,6 +7557,7 @@
         callback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
         defaultCallback.assertNoCallback();
         vpnUidCallback.expectAvailableCallbacksUnvalidated(mCellNetworkAgent);
+        vpnUidDefaultCallback.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7571,6 +7578,7 @@
         defaultCallback.expectBlockedStatusCallback(true, mWiFiNetworkAgent);
         assertBlockedCallbackInAnyOrder(callback, true, mWiFiNetworkAgent, mCellNetworkAgent);
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.BLOCKED);
@@ -7582,6 +7590,7 @@
         defaultCallback.expectBlockedStatusCallback(false, mWiFiNetworkAgent);
         assertBlockedCallbackInAnyOrder(callback, false, mWiFiNetworkAgent, mCellNetworkAgent);
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7596,6 +7605,7 @@
         callback.assertNoCallback();
         defaultCallback.assertNoCallback();
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7607,6 +7617,7 @@
         callback.assertNoCallback();
         defaultCallback.assertNoCallback();
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7619,6 +7630,7 @@
         defaultCallback.expectBlockedStatusCallback(true, mWiFiNetworkAgent);
         assertBlockedCallbackInAnyOrder(callback, true, mWiFiNetworkAgent, mCellNetworkAgent);
         vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertNull(mCm.getActiveNetwork());
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.BLOCKED);
@@ -7629,6 +7641,7 @@
         assertUidRangesUpdatedForMyUid(true);
         defaultCallback.expectAvailableThenValidatedCallbacks(mMockVpn);
         vpnUidCallback.assertNoCallback();  // vpnUidCallback has NOT_VPN capability.
+        vpnUidDefaultCallback.assertNoCallback();  // VPN does not apply to VPN_UID
         assertEquals(mMockVpn.getNetwork(), mCm.getActiveNetwork());
         assertEquals(mWiFiNetworkAgent.getNetwork(), mCm.getActiveNetworkForUid(VPN_UID));
         assertActiveNetworkInfo(TYPE_WIFI, DetailedState.CONNECTED);
@@ -7639,11 +7652,14 @@
         mMockVpn.disconnect();
         defaultCallback.expectCallback(CallbackEntry.LOST, mMockVpn);
         defaultCallback.expectAvailableCallbacksUnvalidatedAndBlocked(mWiFiNetworkAgent);
+        vpnUidCallback.assertNoCallback();
+        vpnUidDefaultCallback.assertNoCallback();
         assertNull(mCm.getActiveNetwork());
 
         mCm.unregisterNetworkCallback(callback);
         mCm.unregisterNetworkCallback(defaultCallback);
         mCm.unregisterNetworkCallback(vpnUidCallback);
+        mCm.unregisterNetworkCallback(vpnUidDefaultCallback);
     }
 
     private void setupLegacyLockdownVpn() {