passpoint-r2: suppress Wi-Fi no internet access notification for OSU

set noInternetAccessExpected flag to suppress the no internet
notification
set ephemeral flag for temporary network.

Bug: 116039833
Test: live test with Passpoint R2 service provider AP
Test: ./frameworks/opt/net/wifi/tests/wifitests/runtests.sh
Change-Id: I2aa41bbec2a5ee265121a972b050af4bb3ca58e1
Signed-off-by: Ecco Park <eccopark@google.com>

2 files changed, 47 insertions, 5 deletions

diff --git a/service/java/com/android/server/wifi/hotspot2/OsuNetworkConnection.java b/service/java/com/android/server/wifi/hotspot2/OsuNetworkConnection.java
index 73dcca505..12a99899b 100644
--- a/service/java/com/android/server/wifi/hotspot2/OsuNetworkConnection.java
+++ b/service/java/com/android/server/wifi/hotspot2/OsuNetworkConnection.java
@@ -16,6 +16,8 @@
 
 package com.android.server.wifi.hotspot2;
 
+import static android.net.NetworkCapabilities.NET_CAPABILITY_TRUSTED;
+
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -173,6 +175,12 @@ public class OsuNetworkConnection {
         }
         WifiConfiguration config = new WifiConfiguration();
         config.SSID = "\"" + ssid.toString() + "\"";
+
+        // To suppress Wi-Fi has no internet access notification.
+        config.noInternetAccessExpected = true;
+
+        // Do not save this network
+        config.ephemeral = true;
         if (TextUtils.isEmpty(nai)) {
             config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
         } else {
@@ -185,11 +193,18 @@ public class OsuNetworkConnection {
             Log.e(TAG, "Unable to add network");
             return false;
         }
-        NetworkRequest networkRequest = null;
-        networkRequest = new NetworkRequest.Builder()
-                .addTransportType(NetworkCapabilities.TRANSPORT_WIFI).build();
+
+        // NET_CAPABILITY_TRUSTED is added by builder by default.
+        // But for ephemeral network, the capability needs to be removed
+        // as wifi stack creates network agent without the capability.
+        // That could cause connectivity service not to find the matching agent.
+        NetworkRequest networkRequest = new NetworkRequest.Builder()
+                .addTransportType(NetworkCapabilities.TRANSPORT_WIFI).removeCapability(
+                        NET_CAPABILITY_TRUSTED).build();
         mConnectivityManager.requestNetwork(networkRequest, mConnectivityCallbacks, mHandler,
                 TIMEOUT_MS);
+
+        // TODO(b/112195429): replace it with new connectivity API.
         if (!mWifiManager.enableNetwork(mNetworkId, true)) {
             Log.e(TAG, "Unable to enable network " + mNetworkId);
             disconnectIfNeeded();
diff --git a/tests/wifitests/src/com/android/server/wifi/hotspot2/OsuNetworkConnectionTest.java b/tests/wifitests/src/com/android/server/wifi/hotspot2/OsuNetworkConnectionTest.java
index a331e9887..ae1f6ce03 100644
--- a/tests/wifitests/src/com/android/server/wifi/hotspot2/OsuNetworkConnectionTest.java
+++ b/tests/wifitests/src/com/android/server/wifi/hotspot2/OsuNetworkConnectionTest.java
@@ -16,6 +16,8 @@
 
 package com.android.server.wifi.hotspot2;
 
+import static android.net.NetworkCapabilities.NET_CAPABILITY_TRUSTED;
+
 import static org.junit.Assert.*;
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
@@ -55,7 +57,7 @@ import org.mockito.MockitoAnnotations;
 import java.net.InetAddress;
 
 /**
- * Unit tests for {@link com.android.server.wifi.hotspot2.PasspointProvisioner}.
+ * Unit tests for {@link OsuNetworkConnection}.
  */
 @SmallTest
 public class OsuNetworkConnectionTest {
@@ -259,5 +261,30 @@ public class OsuNetworkConnectionTest {
         mNetworkConnection.disconnectIfNeeded();
         verify(mWifiManager).removeNetwork(TEST_NETWORK_ID);
     }
-}
 
+    /**
+     * Verifies that {@link WifiConfiguration} has been created properly for OSU network.
+     * It is supposed to create a network as ephemeral network and suppress no internet access
+     * notification.
+     */
+    @Test
+    public void verifyWifiConfigurationForOsuNetwork() {
+        mNetworkConnection.init(mHandler);
+
+        assertEquals(true, mNetworkConnection.connect(TEST_SSID, TEST_NAI));
+
+        ArgumentCaptor<WifiConfiguration> wifiConfigurationCaptor = ArgumentCaptor.forClass(
+                WifiConfiguration.class);
+        verify(mWifiManager, times(1)).addNetwork(wifiConfigurationCaptor.capture());
+        WifiConfiguration wifiConfiguration = wifiConfigurationCaptor.getValue();
+        assertTrue(wifiConfiguration.isNoInternetAccessExpected());
+        assertTrue(wifiConfiguration.isEphemeral());
+
+        ArgumentCaptor<NetworkRequest> networkRequestCaptor = ArgumentCaptor.forClass(
+                NetworkRequest.class);
+        verify(mConnectivityManager, times(1)).requestNetwork(networkRequestCaptor.capture(),
+                any(ConnectivityManager.NetworkCallback.class), any(Handler.class), anyInt());
+        assertFalse(networkRequestCaptor.getValue().hasCapability(NET_CAPABILITY_TRUSTED));
+
+    }
+}