Merge changes from topics "pass-res", "remove-isProvisioningNeeded"

* changes:
  Protect invalid entitlement app configuration
  Pass entitlement configuration to Settings for entitlement check
diff --git a/packages/SettingsLib/src/com/android/settingslib/TetherUtil.java b/packages/SettingsLib/src/com/android/settingslib/TetherUtil.java
index c3993e9..dc9384a 100644
--- a/packages/SettingsLib/src/com/android/settingslib/TetherUtil.java
+++ b/packages/SettingsLib/src/com/android/settingslib/TetherUtil.java
@@ -19,42 +19,9 @@
 
 import android.content.Context;
 import android.net.ConnectivityManager;
-import android.os.SystemProperties;
 import android.os.UserHandle;
-import android.telephony.CarrierConfigManager;
-
-import androidx.annotation.VisibleForTesting;
 
 public class TetherUtil {
-
-    @VisibleForTesting
-    static boolean isEntitlementCheckRequired(Context context) {
-        final CarrierConfigManager configManager = (CarrierConfigManager) context
-             .getSystemService(Context.CARRIER_CONFIG_SERVICE);
-        if (configManager == null || configManager.getConfig() == null) {
-            // return service default
-            return true;
-        }
-        return configManager.getConfig().getBoolean(CarrierConfigManager
-             .KEY_REQUIRE_ENTITLEMENT_CHECKS_BOOL);
-    }
-
-    public static boolean isProvisioningNeeded(Context context) {
-        // Keep in sync with other usage of config_mobile_hotspot_provision_app.
-        // ConnectivityManager#enforceTetherChangePermission
-        String[] provisionApp = context.getResources().getStringArray(
-                com.android.internal.R.array.config_mobile_hotspot_provision_app);
-        if (SystemProperties.getBoolean("net.tethering.noprovisioning", false)
-                || provisionApp == null) {
-            return false;
-        }
-        // Check carrier config for entitlement checks
-        if (isEntitlementCheckRequired(context) == false) {
-            return false;
-        }
-        return (provisionApp.length == 2);
-    }
-
     public static boolean isTetherAvailable(Context context) {
         final ConnectivityManager cm = context.getSystemService(ConnectivityManager.class);
         final boolean tetherConfigDisallowed = RestrictedLockUtilsInternal
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/TetherUtilTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/TetherUtilTest.java
index 0ca7791..df08809 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/TetherUtilTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/TetherUtilTest.java
@@ -60,13 +60,6 @@
     }
 
     @Test
-    public void isEntitlementCheckRequired_noConfigManager_returnTrue() {
-        doReturn(null).when(mContext).getSystemService(Context.CARRIER_CONFIG_SERVICE);
-
-        assertThat(TetherUtil.isEntitlementCheckRequired(mContext)).isTrue();
-    }
-
-    @Test
     public void isTetherAvailable_supported_configDisallowed_hasUserRestriction_returnTrue() {
         setupIsTetherAvailable(true, true, true);
 
diff --git a/packages/Tethering/common/TetheringLib/src/android/net/TetheringConstants.java b/packages/Tethering/common/TetheringLib/src/android/net/TetheringConstants.java
index fd6f171..f14def6a 100644
--- a/packages/Tethering/common/TetheringLib/src/android/net/TetheringConstants.java
+++ b/packages/Tethering/common/TetheringLib/src/android/net/TetheringConstants.java
@@ -37,8 +37,8 @@
     private TetheringConstants() { }
 
     /**
-     * Extra used for communicating with the TetherService. Includes the type of tethering to
-     * enable if any.
+     * Extra used for communicating with the TetherService and TetherProvisioningActivity.
+     * Includes the type of tethering to enable if any.
      */
     public static final String EXTRA_ADD_TETHER_TYPE = "extraAddTetherType";
     /**
@@ -56,8 +56,38 @@
      */
     public static final String EXTRA_RUN_PROVISION = "extraRunProvision";
     /**
-     * Extra used for communicating with the TetherService. Contains the {@link ResultReceiver}
-     * which will receive provisioning results. Can be left empty.
+     * Extra used for communicating with the TetherService and TetherProvisioningActivity.
+     * Contains the {@link ResultReceiver} which will receive provisioning results.
+     * Can not be empty.
      */
     public static final String EXTRA_PROVISION_CALLBACK = "extraProvisionCallback";
+
+    /**
+     * Extra used for communicating with the TetherService and TetherProvisioningActivity.
+     * Contains the subId of current active cellular upstream.
+     * @hide
+     */
+    public static final String EXTRA_TETHER_SUBID = "android.net.extra.TETHER_SUBID";
+
+    /**
+     * Extra used for telling TetherProvisioningActivity the entitlement package name and class
+     * name to start UI entitlement check.
+     * @hide
+     */
+    public static final String EXTRA_TETHER_UI_PROVISIONING_APP_NAME =
+            "android.net.extra.TETHER_UI_PROVISIONING_APP_NAME";
+
+    /**
+     * Extra used for telling TetherService the intent action to start silent entitlement check.
+     * @hide
+     */
+    public static final String EXTRA_TETHER_SILENT_PROVISIONING_ACTION =
+            "android.net.extra.TETHER_SILENT_PROVISIONING_ACTION";
+
+    /**
+     * Extra used for TetherService to receive the response of provisioning check.
+     * @hide
+     */
+    public static final String EXTRA_TETHER_PROVISIONING_RESPONSE =
+            "android.net.extra.TETHER_PROVISIONING_RESPONSE";
 }
diff --git a/packages/Tethering/src/com/android/networkstack/tethering/EntitlementManager.java b/packages/Tethering/src/com/android/networkstack/tethering/EntitlementManager.java
index 3c6e8d8..9dace70 100644
--- a/packages/Tethering/src/com/android/networkstack/tethering/EntitlementManager.java
+++ b/packages/Tethering/src/com/android/networkstack/tethering/EntitlementManager.java
@@ -19,6 +19,10 @@
 import static android.net.TetheringConstants.EXTRA_ADD_TETHER_TYPE;
 import static android.net.TetheringConstants.EXTRA_PROVISION_CALLBACK;
 import static android.net.TetheringConstants.EXTRA_RUN_PROVISION;
+import static android.net.TetheringConstants.EXTRA_TETHER_PROVISIONING_RESPONSE;
+import static android.net.TetheringConstants.EXTRA_TETHER_SILENT_PROVISIONING_ACTION;
+import static android.net.TetheringConstants.EXTRA_TETHER_SUBID;
+import static android.net.TetheringConstants.EXTRA_TETHER_UI_PROVISIONING_APP_NAME;
 import static android.net.TetheringManager.TETHERING_BLUETOOTH;
 import static android.net.TetheringManager.TETHERING_ETHERNET;
 import static android.net.TetheringManager.TETHERING_INVALID;
@@ -69,7 +73,6 @@
     protected static final String DISABLE_PROVISIONING_SYSPROP_KEY = "net.tethering.noprovisioning";
     private static final String ACTION_PROVISIONING_ALARM =
             "com.android.networkstack.tethering.PROVISIONING_RECHECK_ALARM";
-    private static final String EXTRA_SUBID = "subId";
 
     private final ComponentName mSilentProvisioningService;
     private static final int MS_PER_HOUR = 60 * 60 * 1000;
@@ -197,9 +200,9 @@
         // till upstream change to cellular.
         if (mUsingCellularAsUpstream) {
             if (showProvisioningUi) {
-                runUiTetherProvisioning(downstreamType, config.activeDataSubId);
+                runUiTetherProvisioning(downstreamType, config);
             } else {
-                runSilentTetherProvisioning(downstreamType, config.activeDataSubId);
+                runSilentTetherProvisioning(downstreamType, config);
             }
             mNeedReRunProvisioningUi = false;
         } else {
@@ -262,9 +265,9 @@
             if (mCurrentEntitlementResults.indexOfKey(downstream) < 0) {
                 if (mNeedReRunProvisioningUi) {
                     mNeedReRunProvisioningUi = false;
-                    runUiTetherProvisioning(downstream, config.activeDataSubId);
+                    runUiTetherProvisioning(downstream, config);
                 } else {
-                    runSilentTetherProvisioning(downstream, config.activeDataSubId);
+                    runSilentTetherProvisioning(downstream, config);
                 }
             }
         }
@@ -361,7 +364,7 @@
      * @param subId default data subscription ID.
      */
     @VisibleForTesting
-    protected void runSilentTetherProvisioning(int type, int subId) {
+    protected Intent runSilentTetherProvisioning(int type, final TetheringConfiguration config) {
         if (DBG) mLog.i("runSilentTetherProvisioning: " + type);
         // For silent provisioning, settings would stop tethering when entitlement fail.
         ResultReceiver receiver = buildProxyReceiver(type, false/* notifyFail */, null);
@@ -369,17 +372,20 @@
         Intent intent = new Intent();
         intent.putExtra(EXTRA_ADD_TETHER_TYPE, type);
         intent.putExtra(EXTRA_RUN_PROVISION, true);
+        intent.putExtra(EXTRA_TETHER_SILENT_PROVISIONING_ACTION, config.provisioningAppNoUi);
+        intent.putExtra(EXTRA_TETHER_PROVISIONING_RESPONSE, config.provisioningResponse);
         intent.putExtra(EXTRA_PROVISION_CALLBACK, receiver);
-        intent.putExtra(EXTRA_SUBID, subId);
+        intent.putExtra(EXTRA_TETHER_SUBID, config.activeDataSubId);
         intent.setComponent(mSilentProvisioningService);
         // Only admin user can change tethering and SilentTetherProvisioning don't need to
         // show UI, it is fine to always start setting's background service as system user.
         mContext.startService(intent);
+        return intent;
     }
 
-    private void runUiTetherProvisioning(int type, int subId) {
+    private void runUiTetherProvisioning(int type, final TetheringConfiguration config) {
         ResultReceiver receiver = buildProxyReceiver(type, true/* notifyFail */, null);
-        runUiTetherProvisioning(type, subId, receiver);
+        runUiTetherProvisioning(type, config, receiver);
     }
 
     /**
@@ -389,17 +395,20 @@
      * @param receiver to receive entitlement check result.
      */
     @VisibleForTesting
-    protected void runUiTetherProvisioning(int type, int subId, ResultReceiver receiver) {
+    protected Intent runUiTetherProvisioning(int type, final TetheringConfiguration config,
+            ResultReceiver receiver) {
         if (DBG) mLog.i("runUiTetherProvisioning: " + type);
 
         Intent intent = new Intent(Settings.ACTION_TETHER_PROVISIONING_UI);
         intent.putExtra(EXTRA_ADD_TETHER_TYPE, type);
+        intent.putExtra(EXTRA_TETHER_UI_PROVISIONING_APP_NAME, config.provisioningApp);
         intent.putExtra(EXTRA_PROVISION_CALLBACK, receiver);
-        intent.putExtra(EXTRA_SUBID, subId);
+        intent.putExtra(EXTRA_TETHER_SUBID, config.activeDataSubId);
         intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
         // Only launch entitlement UI for system user. Entitlement UI should not appear for other
         // user because only admin user is allowed to change tethering.
         mContext.startActivity(intent);
+        return intent;
     }
 
     // Not needed to check if this don't run on the handler thread because it's private.
@@ -631,7 +640,7 @@
             receiver.send(cacheValue, null);
         } else {
             ResultReceiver proxy = buildProxyReceiver(downstream, false/* notifyFail */, receiver);
-            runUiTetherProvisioning(downstream, config.activeDataSubId, proxy);
+            runUiTetherProvisioning(downstream, config, proxy);
         }
     }
 }
diff --git a/packages/Tethering/src/com/android/networkstack/tethering/Tethering.java b/packages/Tethering/src/com/android/networkstack/tethering/Tethering.java
index 71ab176..8d720e7 100644
--- a/packages/Tethering/src/com/android/networkstack/tethering/Tethering.java
+++ b/packages/Tethering/src/com/android/networkstack/tethering/Tethering.java
@@ -18,6 +18,7 @@
 
 import static android.Manifest.permission.NETWORK_SETTINGS;
 import static android.Manifest.permission.NETWORK_STACK;
+import static android.content.pm.PackageManager.GET_ACTIVITIES;
 import static android.content.pm.PackageManager.PERMISSION_GRANTED;
 import static android.hardware.usb.UsbManager.USB_CONFIGURED;
 import static android.hardware.usb.UsbManager.USB_CONNECTED;
@@ -71,6 +72,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.PackageManager;
 import android.hardware.usb.UsbManager;
 import android.net.ConnectivityManager;
 import android.net.EthernetManager;
@@ -110,7 +112,6 @@
 import android.os.RemoteException;
 import android.os.ResultReceiver;
 import android.os.ServiceSpecificException;
-import android.os.SystemProperties;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
@@ -811,11 +812,30 @@
         }
     }
 
+    private boolean isProvisioningNeededButUnavailable() {
+        return isTetherProvisioningRequired() && !doesEntitlementPackageExist();
+    }
+
     boolean isTetherProvisioningRequired() {
         final TetheringConfiguration cfg = mConfig;
         return mEntitlementMgr.isTetherProvisioningRequired(cfg);
     }
 
+    private boolean doesEntitlementPackageExist() {
+        // provisioningApp must contain package and class name.
+        if (mConfig.provisioningApp.length != 2) {
+            return false;
+        }
+
+        final PackageManager pm = mContext.getPackageManager();
+        try {
+            pm.getPackageInfo(mConfig.provisioningApp[0], GET_ACTIVITIES);
+        } catch (PackageManager.NameNotFoundException e) {
+            return false;
+        }
+        return true;
+    }
+
     // TODO: Figure out how to update for local hotspot mode interfaces.
     private void sendTetherStateChangedBroadcast() {
         if (!isTetheringSupported()) return;
@@ -2175,14 +2195,14 @@
     // gservices could set the secure setting to 1 though to enable it on a build where it
     // had previously been turned off.
     boolean isTetheringSupported() {
-        final int defaultVal =
-                SystemProperties.get("ro.tether.denied").equals("true") ? 0 : 1;
+        final int defaultVal = mDeps.isTetheringDenied() ? 0 : 1;
         final boolean tetherSupported = Settings.Global.getInt(mContext.getContentResolver(),
                 Settings.Global.TETHER_SUPPORTED, defaultVal) != 0;
         final boolean tetherEnabledInSettings = tetherSupported
                 && !mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_TETHERING);
 
-        return tetherEnabledInSettings && hasTetherableConfiguration();
+        return tetherEnabledInSettings && hasTetherableConfiguration()
+                && !isProvisioningNeededButUnavailable();
     }
 
     void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter writer, @Nullable String[] args) {
diff --git a/packages/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java b/packages/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
index 1e94de1..18b2b78 100644
--- a/packages/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
+++ b/packages/Tethering/src/com/android/networkstack/tethering/TetheringConfiguration.java
@@ -105,6 +105,7 @@
     public final String[] provisioningApp;
     public final String provisioningAppNoUi;
     public final int provisioningCheckPeriod;
+    public final String provisioningResponse;
 
     public final int activeDataSubId;
 
@@ -141,10 +142,13 @@
         enableLegacyDhcpServer = getEnableLegacyDhcpServer(res);
 
         provisioningApp = getResourceStringArray(res, R.array.config_mobile_hotspot_provision_app);
-        provisioningAppNoUi = getProvisioningAppNoUi(res);
+        provisioningAppNoUi = getResourceString(res,
+                R.string.config_mobile_hotspot_provision_app_no_ui);
         provisioningCheckPeriod = getResourceInteger(res,
                 R.integer.config_mobile_hotspot_provision_check_period,
                 0 /* No periodic re-check */);
+        provisioningResponse = getResourceString(res,
+                R.string.config_mobile_hotspot_provision_response);
 
         mOffloadPollInterval = getResourceInteger(res,
                 R.integer.config_tether_offload_poll_interval,
@@ -341,9 +345,9 @@
         return copy(LEGACY_DHCP_DEFAULT_RANGE);
     }
 
-    private static String getProvisioningAppNoUi(Resources res) {
+    private static String getResourceString(Resources res, final int resId) {
         try {
-            return res.getString(R.string.config_mobile_hotspot_provision_app_no_ui);
+            return res.getString(resId);
         } catch (Resources.NotFoundException e) {
             return "";
         }
diff --git a/packages/Tethering/src/com/android/networkstack/tethering/TetheringDependencies.java b/packages/Tethering/src/com/android/networkstack/tethering/TetheringDependencies.java
index 8f4b964..131a5fb 100644
--- a/packages/Tethering/src/com/android/networkstack/tethering/TetheringDependencies.java
+++ b/packages/Tethering/src/com/android/networkstack/tethering/TetheringDependencies.java
@@ -26,6 +26,8 @@
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.Looper;
+import android.os.SystemProperties;
+import android.text.TextUtils;
 
 import androidx.annotation.NonNull;
 
@@ -147,4 +149,11 @@
      * Get a reference to BluetoothAdapter to be used by tethering.
      */
     public abstract BluetoothAdapter getBluetoothAdapter();
+
+    /**
+     * Get SystemProperties which indicate whether tethering is denied.
+     */
+    public boolean isTetheringDenied() {
+        return TextUtils.equals(SystemProperties.get("ro.tether.denied"), "true");
+    }
 }
diff --git a/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/EntitlementManagerTest.java b/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/EntitlementManagerTest.java
index 72fa916..354e753 100644
--- a/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/EntitlementManagerTest.java
+++ b/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/EntitlementManagerTest.java
@@ -16,8 +16,16 @@
 
 package com.android.networkstack.tethering;
 
+import static android.net.TetheringConstants.EXTRA_ADD_TETHER_TYPE;
+import static android.net.TetheringConstants.EXTRA_PROVISION_CALLBACK;
+import static android.net.TetheringConstants.EXTRA_RUN_PROVISION;
+import static android.net.TetheringConstants.EXTRA_TETHER_PROVISIONING_RESPONSE;
+import static android.net.TetheringConstants.EXTRA_TETHER_SILENT_PROVISIONING_ACTION;
+import static android.net.TetheringConstants.EXTRA_TETHER_SUBID;
+import static android.net.TetheringConstants.EXTRA_TETHER_UI_PROVISIONING_APP_NAME;
 import static android.net.TetheringManager.TETHERING_BLUETOOTH;
 import static android.net.TetheringManager.TETHERING_ETHERNET;
+import static android.net.TetheringManager.TETHERING_INVALID;
 import static android.net.TetheringManager.TETHERING_USB;
 import static android.net.TetheringManager.TETHERING_WIFI;
 import static android.net.TetheringManager.TETHERING_WIFI_P2P;
@@ -44,6 +52,7 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
+import android.content.Intent;
 import android.content.res.Resources;
 import android.net.util.SharedLog;
 import android.os.Bundle;
@@ -53,6 +62,7 @@
 import android.os.SystemProperties;
 import android.os.test.TestLooper;
 import android.provider.DeviceConfig;
+import android.provider.Settings;
 import android.telephony.CarrierConfigManager;
 
 import androidx.test.filters.SmallTest;
@@ -76,6 +86,7 @@
 
     private static final String[] PROVISIONING_APP_NAME = {"some", "app"};
     private static final String PROVISIONING_NO_UI_APP_NAME = "no_ui_app";
+    private static final String PROVISIONING_APP_RESPONSE = "app_response";
 
     @Mock private CarrierConfigManager mCarrierConfigManager;
     @Mock private Context mContext;
@@ -122,15 +133,51 @@
         }
 
         @Override
-        protected void runUiTetherProvisioning(int type, int subId, ResultReceiver receiver) {
+        protected Intent runUiTetherProvisioning(int type,
+                final TetheringConfiguration config, final ResultReceiver receiver) {
+            Intent intent = super.runUiTetherProvisioning(type, config, receiver);
+            assertUiTetherProvisioningIntent(type, config, receiver, intent);
             uiProvisionCount++;
             receiver.send(fakeEntitlementResult, null);
+            return intent;
+        }
+
+        private void assertUiTetherProvisioningIntent(int type, final TetheringConfiguration config,
+                final ResultReceiver receiver, final Intent intent) {
+            assertEquals(Settings.ACTION_TETHER_PROVISIONING_UI, intent.getAction());
+            assertEquals(type, intent.getIntExtra(EXTRA_ADD_TETHER_TYPE, TETHERING_INVALID));
+            final String[] appName = intent.getStringArrayExtra(
+                    EXTRA_TETHER_UI_PROVISIONING_APP_NAME);
+            assertEquals(PROVISIONING_APP_NAME.length, appName.length);
+            for (int i = 0; i < PROVISIONING_APP_NAME.length; i++) {
+                assertEquals(PROVISIONING_APP_NAME[i], appName[i]);
+            }
+            assertEquals(receiver, intent.getParcelableExtra(EXTRA_PROVISION_CALLBACK));
+            assertEquals(config.activeDataSubId,
+                    intent.getIntExtra(EXTRA_TETHER_SUBID, INVALID_SUBSCRIPTION_ID));
         }
 
         @Override
-        protected void runSilentTetherProvisioning(int type, int subId) {
+        protected Intent runSilentTetherProvisioning(int type,
+                final TetheringConfiguration config) {
+            Intent intent = super.runSilentTetherProvisioning(type, config);
+            assertSilentTetherProvisioning(type, config, intent);
             silentProvisionCount++;
             addDownstreamMapping(type, fakeEntitlementResult);
+            return intent;
+        }
+
+        private void assertSilentTetherProvisioning(int type, final TetheringConfiguration config,
+                final Intent intent) {
+            assertEquals(type, intent.getIntExtra(EXTRA_ADD_TETHER_TYPE, TETHERING_INVALID));
+            assertEquals(true, intent.getBooleanExtra(EXTRA_RUN_PROVISION, false));
+            assertEquals(PROVISIONING_NO_UI_APP_NAME,
+                    intent.getStringExtra(EXTRA_TETHER_SILENT_PROVISIONING_ACTION));
+            assertEquals(PROVISIONING_APP_RESPONSE,
+                    intent.getStringExtra(EXTRA_TETHER_PROVISIONING_RESPONSE));
+            assertTrue(intent.hasExtra(EXTRA_PROVISION_CALLBACK));
+            assertEquals(config.activeDataSubId,
+                    intent.getIntExtra(EXTRA_TETHER_SUBID, INVALID_SUBSCRIPTION_ID));
         }
     }
 
@@ -187,6 +234,8 @@
                 .thenReturn(PROVISIONING_APP_NAME);
         when(mResources.getString(R.string.config_mobile_hotspot_provision_app_no_ui))
                 .thenReturn(PROVISIONING_NO_UI_APP_NAME);
+        when(mResources.getString(R.string.config_mobile_hotspot_provision_response)).thenReturn(
+                PROVISIONING_APP_RESPONSE);
         // Act like the CarrierConfigManager is present and ready unless told otherwise.
         when(mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE))
                 .thenReturn(mCarrierConfigManager);
diff --git a/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java b/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
index 3f4cfe7..a9ac4e2 100644
--- a/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
+++ b/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringConfigurationTest.java
@@ -61,6 +61,8 @@
     private final SharedLog mLog = new SharedLog("TetheringConfigurationTest");
 
     private static final String[] PROVISIONING_APP_NAME = {"some", "app"};
+    private static final String PROVISIONING_NO_UI_APP_NAME = "no_ui_app";
+    private static final String PROVISIONING_APP_RESPONSE = "app_response";
     @Mock private Context mContext;
     @Mock private TelephonyManager mTelephonyManager;
     @Mock private Resources mResources;
@@ -388,6 +390,8 @@
                 new MockTetheringConfiguration(mMockContext, mLog, anyValidSubId);
         assertEquals(mockCfg.provisioningApp[0], PROVISIONING_APP_NAME[0]);
         assertEquals(mockCfg.provisioningApp[1], PROVISIONING_APP_NAME[1]);
+        assertEquals(mockCfg.provisioningAppNoUi, PROVISIONING_NO_UI_APP_NAME);
+        assertEquals(mockCfg.provisioningResponse, PROVISIONING_APP_RESPONSE);
     }
 
     private void setUpResourceForSubId() {
@@ -403,6 +407,10 @@
                 new int[0]);
         when(mResourcesForSubId.getStringArray(
                 R.array.config_mobile_hotspot_provision_app)).thenReturn(PROVISIONING_APP_NAME);
+        when(mResourcesForSubId.getString(R.string.config_mobile_hotspot_provision_app_no_ui))
+                .thenReturn(PROVISIONING_NO_UI_APP_NAME);
+        when(mResourcesForSubId.getString(
+                R.string.config_mobile_hotspot_provision_response)).thenReturn(
+                PROVISIONING_APP_RESPONSE);
     }
-
 }
diff --git a/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java b/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
index 2b2dfae..d37aad2 100644
--- a/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
+++ b/packages/Tethering/tests/unit/src/com/android/networkstack/tethering/TetheringTest.java
@@ -16,6 +16,7 @@
 
 package com.android.networkstack.tethering;
 
+import static android.content.pm.PackageManager.GET_ACTIVITIES;
 import static android.hardware.usb.UsbManager.USB_CONFIGURED;
 import static android.hardware.usb.UsbManager.USB_CONNECTED;
 import static android.hardware.usb.UsbManager.USB_FUNCTION_NCM;
@@ -81,6 +82,7 @@
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.hardware.usb.UsbManager;
 import android.net.ConnectivityManager;
@@ -204,6 +206,7 @@
     @Mock private EthernetManager mEm;
     @Mock private TetheringNotificationUpdater mNotificationUpdater;
     @Mock private BpfCoordinator mBpfCoordinator;
+    @Mock private PackageManager mPackageManager;
 
     private final MockIpServerDependencies mIpServerDependencies =
             spy(new MockIpServerDependencies());
@@ -264,6 +267,11 @@
         }
 
         @Override
+        public PackageManager getPackageManager() {
+            return mPackageManager;
+        }
+
+        @Override
         public String getSystemServiceName(Class<?> serviceClass) {
             if (TelephonyManager.class.equals(serviceClass)) return Context.TELEPHONY_SERVICE;
             return super.getSystemServiceName(serviceClass);
@@ -425,6 +433,11 @@
         public TetheringNotificationUpdater getNotificationUpdater(Context ctx, Looper looper) {
             return mNotificationUpdater;
         }
+
+        @Override
+        public boolean isTetheringDenied() {
+            return false;
+        }
     }
 
     private static UpstreamNetworkState buildMobileUpstreamState(boolean withIPv4,
@@ -1951,6 +1964,23 @@
         assertEquals(TETHER_ERROR_IFACE_CFG_ERROR, mTethering.getLastTetherError(TEST_ETH_IFNAME));
     }
 
+    @Test
+    public void testProvisioningNeededButUnavailable() throws Exception {
+        assertTrue(mTethering.isTetheringSupported());
+        verify(mPackageManager, never()).getPackageInfo(PROVISIONING_APP_NAME[0], GET_ACTIVITIES);
+
+        setupForRequiredProvisioning();
+        assertTrue(mTethering.isTetheringSupported());
+        verify(mPackageManager).getPackageInfo(PROVISIONING_APP_NAME[0], GET_ACTIVITIES);
+        reset(mPackageManager);
+
+        doThrow(PackageManager.NameNotFoundException.class).when(mPackageManager).getPackageInfo(
+                PROVISIONING_APP_NAME[0], GET_ACTIVITIES);
+        setupForRequiredProvisioning();
+        assertFalse(mTethering.isTetheringSupported());
+        verify(mPackageManager).getPackageInfo(PROVISIONING_APP_NAME[0], GET_ACTIVITIES);
+    }
+
     // TODO: Test that a request for hotspot mode doesn't interfere with an
     // already operating tethering mode interface.
 }