Merge "Remove networkstack-module-utils-srcs filegroup." am: b5ae476a1a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/NetworkStack/+/2153735

Change-Id: Ib777eed0acf0ec4975f4fbda5b4993c4b0e23c4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/Android.bp b/Android.bp
index 2b3cfc2..6610ae6 100644
--- a/Android.bp
+++ b/Android.bp
@@ -268,7 +268,6 @@
     name: "NetworkStackAndroidLibraryDefaults",
     srcs: [
         ":framework-networkstack-shared-srcs",
-        ":networkstack-module-utils-srcs",
     ],
     libs: ["unsupportedappusage"],
     static_libs: [
diff --git a/common/moduleutils/Android.bp b/common/moduleutils/Android.bp
index a34e32d..11b3d6d 100644
--- a/common/moduleutils/Android.bp
+++ b/common/moduleutils/Android.bp
@@ -25,23 +25,12 @@
     name: "connectivity-module-utils-srcs",
     srcs: [
         "src/android/net/shared/NetdUtils.java",
-        "src/android/net/shared/NetworkMonitorUtils.java",
     ],
     visibility: [
         "//packages/modules/Connectivity/service",
     ]
 }
 
-filegroup {
-    name: "networkstack-module-utils-srcs",
-    srcs: [
-        "src/android/net/shared/*.java",
-    ],
-    visibility: [
-        "//packages/modules/NetworkStack",
-    ]
-}
-
 // Shared utility sources to be used by tethering modules
 filegroup {
     name: "tethering-module-utils-srcs",
diff --git a/common/moduleutils/src/android/net/shared/NetworkMonitorUtils.java b/common/moduleutils/src/android/net/shared/NetworkMonitorUtils.java
deleted file mode 100644
index 583a356..0000000
--- a/common/moduleutils/src/android/net/shared/NetworkMonitorUtils.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.net.shared;
-
-import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;
-import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED;
-import static android.net.NetworkCapabilities.NET_CAPABILITY_NOT_VPN;
-import static android.net.NetworkCapabilities.NET_CAPABILITY_OEM_PAID;
-import static android.net.NetworkCapabilities.NET_CAPABILITY_TRUSTED;
-import static android.net.NetworkCapabilities.TRANSPORT_BLUETOOTH;
-import static android.net.NetworkCapabilities.TRANSPORT_CELLULAR;
-import static android.net.NetworkCapabilities.TRANSPORT_ETHERNET;
-import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
-
-import android.annotation.NonNull;
-import android.net.NetworkCapabilities;
-
-import com.android.modules.utils.build.SdkLevel;
-import com.android.networkstack.apishim.common.NetworkAgentConfigShim;
-
-/** @hide */
-public class NetworkMonitorUtils {
-    // This class is used by both NetworkMonitor and ConnectivityService, so it cannot use
-    // NetworkStack shims, but at the same time cannot use non-system APIs.
-    // TRANSPORT_TEST is test API as of R (so it is enforced to always be 7 and can't be changed),
-    // and it is being added as a system API in S.
-    // TODO: use NetworkCapabilities.TRANSPORT_TEST once NetworkStack builds against API 31.
-    private static final int TRANSPORT_TEST = 7;
-
-    // This class is used by both NetworkMonitor and ConnectivityService, so it cannot use
-    // NetworkStack shims, but at the same time cannot use non-system APIs.
-    // NET_CAPABILITY_NOT_VCN_MANAGED is system API as of S (so it is enforced to always be 28 and
-    // can't be changed).
-    // TODO: use NetworkCapabilities.NET_CAPABILITY_NOT_VCN_MANAGED once NetworkStack builds against
-    //       API 31.
-    public static final int NET_CAPABILITY_NOT_VCN_MANAGED = 28;
-
-    // Network conditions broadcast constants
-    public static final String ACTION_NETWORK_CONDITIONS_MEASURED =
-            "android.net.conn.NETWORK_CONDITIONS_MEASURED";
-    public static final String EXTRA_CONNECTIVITY_TYPE = "extra_connectivity_type";
-    public static final String EXTRA_NETWORK_TYPE = "extra_network_type";
-    public static final String EXTRA_RESPONSE_RECEIVED = "extra_response_received";
-    public static final String EXTRA_IS_CAPTIVE_PORTAL = "extra_is_captive_portal";
-    public static final String EXTRA_CELL_ID = "extra_cellid";
-    public static final String EXTRA_SSID = "extra_ssid";
-    public static final String EXTRA_BSSID = "extra_bssid";
-    /** real time since boot */
-    public static final String EXTRA_REQUEST_TIMESTAMP_MS = "extra_request_timestamp_ms";
-    public static final String EXTRA_RESPONSE_TIMESTAMP_MS = "extra_response_timestamp_ms";
-    public static final String PERMISSION_ACCESS_NETWORK_CONDITIONS =
-            "android.permission.ACCESS_NETWORK_CONDITIONS";
-
-    /**
-     * Return whether validation is required for private DNS in strict mode.
-     * @param nc Network capabilities of the network to test.
-     */
-    public static boolean isPrivateDnsValidationRequired(@NonNull final NetworkCapabilities nc) {
-        final boolean isVcnManaged = SdkLevel.isAtLeastS()
-                && !nc.hasCapability(NET_CAPABILITY_NOT_VCN_MANAGED);
-        final boolean isOemPaid = nc.hasCapability(NET_CAPABILITY_OEM_PAID)
-                && nc.hasCapability(NET_CAPABILITY_TRUSTED);
-        final boolean isDefaultCapable = nc.hasCapability(NET_CAPABILITY_NOT_RESTRICTED)
-                && nc.hasCapability(NET_CAPABILITY_TRUSTED);
-
-        // TODO: Consider requiring validation for DUN networks.
-        if (nc.hasCapability(NET_CAPABILITY_INTERNET)
-                && (isVcnManaged || isOemPaid || isDefaultCapable)) {
-            return true;
-        }
-
-        // Test networks that also have one of the major transport types are attempting to replicate
-        // that transport on a test interface (for example, test ethernet networks with
-        // EthernetManager#setIncludeTestInterfaces). Run validation on them for realistic tests.
-        // See also comments on EthernetManager#setIncludeTestInterfaces and on TestNetworkManager.
-        if (nc.hasTransport(TRANSPORT_TEST) && nc.hasCapability(NET_CAPABILITY_NOT_RESTRICTED) && (
-                nc.hasTransport(TRANSPORT_WIFI)
-                || nc.hasTransport(TRANSPORT_CELLULAR)
-                || nc.hasTransport(TRANSPORT_BLUETOOTH)
-                || nc.hasTransport(TRANSPORT_ETHERNET))) {
-            return true;
-        }
-
-        return false;
-    }
-
-    /**
-     * Return whether validation is required for a network.
-     * @param config Configuration of the network to test.
-     * @param nc Network capabilities of the network to test.
-     */
-    public static boolean isValidationRequired(@NonNull final NetworkAgentConfigShim config,
-            @NonNull final NetworkCapabilities nc) {
-        // TODO: Consider requiring validation for DUN networks.
-        if (!nc.hasCapability(NET_CAPABILITY_NOT_VPN)) {
-            return config.isVpnValidationRequired();
-        }
-        return isPrivateDnsValidationRequired(nc);
-    }
-}
diff --git a/src/com/android/server/connectivity/NetworkMonitor.java b/src/com/android/server/connectivity/NetworkMonitor.java
index 78f717e..84081b5 100755
--- a/src/com/android/server/connectivity/NetworkMonitor.java
+++ b/src/com/android/server/connectivity/NetworkMonitor.java
@@ -114,7 +114,6 @@
 import android.net.metrics.NetworkEvent;
 import android.net.metrics.ValidationProbeEvent;
 import android.net.networkstack.aidl.NetworkMonitorParameters;
-import android.net.shared.NetworkMonitorUtils;
 import android.net.shared.PrivateDnsConfig;
 import android.net.util.DataStallUtils.EvaluationType;
 import android.net.util.NetworkStackUtils;
@@ -159,6 +158,7 @@
 import com.android.internal.util.StateMachine;
 import com.android.modules.utils.build.SdkLevel;
 import com.android.net.module.util.DeviceConfigUtils;
+import com.android.net.module.util.NetworkMonitorUtils;
 import com.android.net.module.util.NetworkStackConstants;
 import com.android.net.module.util.SharedLog;
 import com.android.networkstack.NetworkStackNotifier;
@@ -781,7 +781,8 @@
     }
 
     private boolean isValidationRequired() {
-        return NetworkMonitorUtils.isValidationRequired(mNetworkAgentConfig, mNetworkCapabilities);
+        return NetworkMonitorUtils.isValidationRequired(
+                mNetworkAgentConfig.isVpnValidationRequired(), mNetworkCapabilities);
     }
 
     private boolean isPrivateDnsValidationRequired() {