Migrate legacy dhcp server config to DeviceConfig
Legacy dhcp server can also be enabled by resource config.
Bug: 144814607
Test: -build, flash, boot
-atest TetheringTests
Change-Id: I8ae5fa3d5bbd88129bd0890f71be6f8a1bfec0eb
diff --git a/Tethering/AndroidManifest.xml b/Tethering/AndroidManifest.xml
index e99c2c5..5a71eb2 100644
--- a/Tethering/AndroidManifest.xml
+++ b/Tethering/AndroidManifest.xml
@@ -32,6 +32,7 @@
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.permission.MANAGE_USB" />
<uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />
+ <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />
<uses-permission android:name="android.permission.READ_NETWORK_USAGE_HISTORY" />
<uses-permission android:name="android.permission.TETHER_PRIVILEGED" />
<uses-permission android:name="android.permission.UPDATE_APP_OPS_STATS" />
diff --git a/Tethering/res/values/config.xml b/Tethering/res/values/config.xml
index c29e678..ca290c6 100644
--- a/Tethering/res/values/config.xml
+++ b/Tethering/res/values/config.xml
@@ -49,6 +49,9 @@
<item>"bt-pan"</item>
</string-array>
+ <!-- Use the old dnsmasq DHCP server for tethering instead of the framework implementation. -->
+ <bool translatable="false" name="config_tether_enable_legacy_dhcp_server">false</bool>
+
<!-- Dhcp range (min, max) to use for tethering purposes -->
<string-array translatable="false" name="config_tether_dhcp_range">
</string-array>
diff --git a/Tethering/res/values/overlayable.xml b/Tethering/res/values/overlayable.xml
index cc7980b..e089d9d 100644
--- a/Tethering/res/values/overlayable.xml
+++ b/Tethering/res/values/overlayable.xml
@@ -21,6 +21,7 @@
<item type="array" name="config_tether_wifi_p2p_regexs"/>
<item type="array" name="config_tether_bluetooth_regexs"/>
<item type="array" name="config_tether_dhcp_range"/>
+ <item type="bool" name="config_tether_enable_legacy_dhcp_server"/>
<item type="array" name="config_tether_upstream_types"/>
<item type="bool" name="config_tether_upstream_automatic"/>
<!-- Configuration values for tethering entitlement check -->
diff --git a/Tethering/src/com/android/server/connectivity/tethering/TetheringConfiguration.java b/Tethering/src/com/android/server/connectivity/tethering/TetheringConfiguration.java
index 397ba8a..dbe7892 100644
--- a/Tethering/src/com/android/server/connectivity/tethering/TetheringConfiguration.java
+++ b/Tethering/src/com/android/server/connectivity/tethering/TetheringConfiguration.java
@@ -21,7 +21,7 @@
import static android.net.ConnectivityManager.TYPE_MOBILE;
import static android.net.ConnectivityManager.TYPE_MOBILE_DUN;
import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI;
-import static android.provider.Settings.Global.TETHER_ENABLE_LEGACY_DHCP_SERVER;
+import static android.provider.DeviceConfig.NAMESPACE_CONNECTIVITY;
import static com.android.internal.R.array.config_mobile_hotspot_provision_app;
import static com.android.internal.R.array.config_tether_bluetooth_regexs;
@@ -33,13 +33,13 @@
import static com.android.internal.R.bool.config_tether_upstream_automatic;
import static com.android.internal.R.integer.config_mobile_hotspot_provision_check_period;
import static com.android.internal.R.string.config_mobile_hotspot_provision_app_no_ui;
+import static com.android.networkstack.tethering.R.bool.config_tether_enable_legacy_dhcp_server;
-import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Resources;
import android.net.TetheringConfigurationParcel;
import android.net.util.SharedLog;
-import android.provider.Settings;
+import android.provider.DeviceConfig;
import android.telephony.SubscriptionManager;
import android.telephony.TelephonyManager;
import android.text.TextUtils;
@@ -84,6 +84,12 @@
private static final String[] DEFAULT_IPV4_DNS = {"8.8.4.4", "8.8.8.8"};
+ /**
+ * Use the old dnsmasq DHCP server for tethering instead of the framework implementation.
+ */
+ public static final String TETHER_ENABLE_LEGACY_DHCP_SERVER =
+ "tether_enable_legacy_dhcp_server";
+
public final String[] tetherableUsbRegexs;
public final String[] tetherableWifiRegexs;
public final String[] tetherableWifiP2pRegexs;
@@ -122,7 +128,7 @@
legacyDhcpRanges = getLegacyDhcpRanges(res);
defaultIPv4DNS = copy(DEFAULT_IPV4_DNS);
- enableLegacyDhcpServer = getEnableLegacyDhcpServer(ctx);
+ enableLegacyDhcpServer = getEnableLegacyDhcpServer(res);
provisioningApp = getResourceStringArray(res, config_mobile_hotspot_provision_app);
provisioningAppNoUi = getProvisioningAppNoUi(res);
@@ -332,10 +338,14 @@
}
}
- private static boolean getEnableLegacyDhcpServer(Context ctx) {
- final ContentResolver cr = ctx.getContentResolver();
- final int intVal = Settings.Global.getInt(cr, TETHER_ENABLE_LEGACY_DHCP_SERVER, 0);
- return intVal != 0;
+ private boolean getEnableLegacyDhcpServer(final Resources res) {
+ return getResourceBoolean(res, config_tether_enable_legacy_dhcp_server)
+ || getDeviceConfigBoolean(TETHER_ENABLE_LEGACY_DHCP_SERVER);
+ }
+
+ @VisibleForTesting
+ protected boolean getDeviceConfigBoolean(final String name) {
+ return DeviceConfig.getBoolean(NAMESPACE_CONNECTIVITY, name, false /** defaultValue */);
}
private Resources getResources(Context ctx, int subId) {
diff --git a/Tethering/tests/unit/src/com/android/server/connectivity/tethering/EntitlementManagerTest.java b/Tethering/tests/unit/src/com/android/server/connectivity/tethering/EntitlementManagerTest.java
index 66eba9a..79bba7f 100644
--- a/Tethering/tests/unit/src/com/android/server/connectivity/tethering/EntitlementManagerTest.java
+++ b/Tethering/tests/unit/src/com/android/server/connectivity/tethering/EntitlementManagerTest.java
@@ -22,10 +22,12 @@
import static android.net.TetheringManager.TETHER_ERROR_ENTITLEMENT_UNKONWN;
import static android.net.TetheringManager.TETHER_ERROR_NO_ERROR;
import static android.net.TetheringManager.TETHER_ERROR_PROVISION_FAILED;
+import static android.provider.DeviceConfig.NAMESPACE_CONNECTIVITY;
import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
import static com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession;
+import static com.android.networkstack.tethering.R.bool.config_tether_enable_legacy_dhcp_server;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
@@ -39,7 +41,6 @@
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
-import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Resources;
import android.net.util.SharedLog;
@@ -49,9 +50,8 @@
import android.os.ResultReceiver;
import android.os.SystemProperties;
import android.os.test.TestLooper;
-import android.provider.Settings;
+import android.provider.DeviceConfig;
import android.telephony.CarrierConfigManager;
-import android.test.mock.MockContentResolver;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
@@ -60,7 +60,6 @@
import com.android.internal.util.State;
import com.android.internal.util.StateMachine;
import com.android.internal.util.test.BroadcastInterceptingContext;
-import com.android.internal.util.test.FakeSettingsProvider;
import org.junit.After;
import org.junit.Before;
@@ -94,7 +93,6 @@
private final PersistableBundle mCarrierConfig = new PersistableBundle();
private final TestLooper mLooper = new TestLooper();
private Context mMockContext;
- private MockContentResolver mContentResolver;
private TestStateMachine mSM;
private WrappedEntitlementManager mEnMgr;
@@ -110,11 +108,6 @@
public Resources getResources() {
return mResources;
}
-
- @Override
- public ContentResolver getContentResolver() {
- return mContentResolver;
- }
}
public class WrappedEntitlementManager extends EntitlementManager {
@@ -151,13 +144,17 @@
MockitoAnnotations.initMocks(this);
mMockingSession = mockitoSession()
.initMocks(this)
- .spyStatic(SystemProperties.class)
+ .mockStatic(SystemProperties.class)
+ .mockStatic(DeviceConfig.class)
.strictness(Strictness.WARN)
.startMocking();
// Don't disable tethering provisioning unless requested.
doReturn(false).when(
() -> SystemProperties.getBoolean(
eq(EntitlementManager.DISABLE_PROVISIONING_SYSPROP_KEY), anyBoolean()));
+ doReturn(false).when(
+ () -> DeviceConfig.getBoolean(eq(NAMESPACE_CONNECTIVITY),
+ eq(TetheringConfiguration.TETHER_ENABLE_LEGACY_DHCP_SERVER), anyBoolean()));
when(mResources.getStringArray(R.array.config_tether_dhcp_range))
.thenReturn(new String[0]);
@@ -169,10 +166,9 @@
.thenReturn(new String[0]);
when(mResources.getIntArray(R.array.config_tether_upstream_types))
.thenReturn(new int[0]);
+ when(mResources.getBoolean(config_tether_enable_legacy_dhcp_server)).thenReturn(false);
when(mLog.forSubComponent(anyString())).thenReturn(mLog);
- mContentResolver = new MockContentResolver();
- mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider());
mMockContext = new MockContext(mContext);
mSM = new TestStateMachine();
mEnMgr = new WrappedEntitlementManager(mMockContext, mSM, mLog, EVENT_EM_UPDATE);
diff --git a/Tethering/tests/unit/src/com/android/server/connectivity/tethering/TetheringConfigurationTest.java b/Tethering/tests/unit/src/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
index 7799da4..ef97ad4 100644
--- a/Tethering/tests/unit/src/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
+++ b/Tethering/tests/unit/src/com/android/server/connectivity/tethering/TetheringConfigurationTest.java
@@ -21,40 +21,44 @@
import static android.net.ConnectivityManager.TYPE_MOBILE_DUN;
import static android.net.ConnectivityManager.TYPE_MOBILE_HIPRI;
import static android.net.ConnectivityManager.TYPE_WIFI;
-import static android.provider.Settings.Global.TETHER_ENABLE_LEGACY_DHCP_SERVER;
+import static android.provider.DeviceConfig.NAMESPACE_CONNECTIVITY;
import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
+import static com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession;
import static com.android.internal.R.array.config_mobile_hotspot_provision_app;
import static com.android.internal.R.array.config_tether_bluetooth_regexs;
import static com.android.internal.R.array.config_tether_dhcp_range;
import static com.android.internal.R.array.config_tether_upstream_types;
import static com.android.internal.R.array.config_tether_usb_regexs;
import static com.android.internal.R.array.config_tether_wifi_regexs;
+import static com.android.networkstack.tethering.R.bool.config_tether_enable_legacy_dhcp_server;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
+import static org.mockito.Matchers.anyBoolean;
+import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.when;
-import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Resources;
import android.net.util.SharedLog;
-import android.provider.Settings;
+import android.provider.DeviceConfig;
import android.telephony.TelephonyManager;
-import android.test.mock.MockContentResolver;
import androidx.test.filters.SmallTest;
import androidx.test.runner.AndroidJUnit4;
import com.android.internal.util.test.BroadcastInterceptingContext;
-import com.android.internal.util.test.FakeSettingsProvider;
+import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
+import org.mockito.MockitoSession;
+import org.mockito.quality.Strictness;
import java.util.Arrays;
import java.util.Iterator;
@@ -69,9 +73,10 @@
@Mock private TelephonyManager mTelephonyManager;
@Mock private Resources mResources;
@Mock private Resources mResourcesForSubId;
- private MockContentResolver mContentResolver;
private Context mMockContext;
private boolean mHasTelephonyManager;
+ private boolean mEnableLegacyDhcpServer;
+ private MockitoSession mMockingSession;
private class MockTetheringConfiguration extends TetheringConfiguration {
MockTetheringConfiguration(Context ctx, SharedLog log, int id) {
@@ -101,16 +106,20 @@
}
return super.getSystemService(name);
}
-
- @Override
- public ContentResolver getContentResolver() {
- return mContentResolver;
- }
}
@Before
public void setUp() throws Exception {
- MockitoAnnotations.initMocks(this);
+ // TODO: use a dependencies class instead of mock statics.
+ mMockingSession = mockitoSession()
+ .initMocks(this)
+ .mockStatic(DeviceConfig.class)
+ .strictness(Strictness.WARN)
+ .startMocking();
+ doReturn(false).when(
+ () -> DeviceConfig.getBoolean(eq(NAMESPACE_CONNECTIVITY),
+ eq(TetheringConfiguration.TETHER_ENABLE_LEGACY_DHCP_SERVER), anyBoolean()));
+
when(mResources.getStringArray(config_tether_dhcp_range)).thenReturn(new String[0]);
when(mResources.getStringArray(config_tether_usb_regexs)).thenReturn(new String[0]);
when(mResources.getStringArray(config_tether_wifi_regexs))
@@ -119,10 +128,15 @@
when(mResources.getIntArray(config_tether_upstream_types)).thenReturn(new int[0]);
when(mResources.getStringArray(config_mobile_hotspot_provision_app))
.thenReturn(new String[0]);
- mContentResolver = new MockContentResolver();
- mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider());
+ when(mResources.getBoolean(config_tether_enable_legacy_dhcp_server)).thenReturn(false);
mHasTelephonyManager = true;
mMockContext = new MockContext(mContext);
+ mEnableLegacyDhcpServer = false;
+ }
+
+ @After
+ public void tearDown() throws Exception {
+ mMockingSession.finishMocking();
}
private TetheringConfiguration getTetheringConfiguration(int... legacyTetherUpstreamTypes) {
@@ -268,19 +282,35 @@
@Test
public void testNewDhcpServerDisabled() {
- Settings.Global.putInt(mContentResolver, TETHER_ENABLE_LEGACY_DHCP_SERVER, 1);
+ when(mResources.getBoolean(config_tether_enable_legacy_dhcp_server)).thenReturn(true);
+ doReturn(false).when(
+ () -> DeviceConfig.getBoolean(eq(NAMESPACE_CONNECTIVITY),
+ eq(TetheringConfiguration.TETHER_ENABLE_LEGACY_DHCP_SERVER), anyBoolean()));
- final TetheringConfiguration cfg = new TetheringConfiguration(
- mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
- assertTrue(cfg.enableLegacyDhcpServer);
+ final TetheringConfiguration enableByRes =
+ new TetheringConfiguration(mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
+ assertTrue(enableByRes.enableLegacyDhcpServer);
+
+ when(mResources.getBoolean(config_tether_enable_legacy_dhcp_server)).thenReturn(false);
+ doReturn(true).when(
+ () -> DeviceConfig.getBoolean(eq(NAMESPACE_CONNECTIVITY),
+ eq(TetheringConfiguration.TETHER_ENABLE_LEGACY_DHCP_SERVER), anyBoolean()));
+
+ final TetheringConfiguration enableByDevConfig =
+ new TetheringConfiguration(mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
+ assertTrue(enableByDevConfig.enableLegacyDhcpServer);
}
@Test
public void testNewDhcpServerEnabled() {
- Settings.Global.putInt(mContentResolver, TETHER_ENABLE_LEGACY_DHCP_SERVER, 0);
+ when(mResources.getBoolean(config_tether_enable_legacy_dhcp_server)).thenReturn(false);
+ doReturn(false).when(
+ () -> DeviceConfig.getBoolean(eq(NAMESPACE_CONNECTIVITY),
+ eq(TetheringConfiguration.TETHER_ENABLE_LEGACY_DHCP_SERVER), anyBoolean()));
- final TetheringConfiguration cfg = new TetheringConfiguration(
- mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
+ final TetheringConfiguration cfg =
+ new TetheringConfiguration(mMockContext, mLog, INVALID_SUBSCRIPTION_ID);
+
assertFalse(cfg.enableLegacyDhcpServer);
}
diff --git a/Tethering/tests/unit/src/com/android/server/connectivity/tethering/TetheringTest.java b/Tethering/tests/unit/src/com/android/server/connectivity/tethering/TetheringTest.java
index 4edde0a..0df32fd 100644
--- a/Tethering/tests/unit/src/com/android/server/connectivity/tethering/TetheringTest.java
+++ b/Tethering/tests/unit/src/com/android/server/connectivity/tethering/TetheringTest.java
@@ -35,9 +35,10 @@
import static android.net.wifi.WifiManager.IFACE_IP_MODE_LOCAL_ONLY;
import static android.net.wifi.WifiManager.IFACE_IP_MODE_TETHERED;
import static android.net.wifi.WifiManager.WIFI_AP_STATE_ENABLED;
-import static android.provider.Settings.Global.TETHER_ENABLE_LEGACY_DHCP_SERVER;
import static android.telephony.SubscriptionManager.INVALID_SUBSCRIPTION_ID;
+import static com.android.networkstack.tethering.R.bool.config_tether_enable_legacy_dhcp_server;
+
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
@@ -270,6 +271,11 @@
}
@Override
+ protected boolean getDeviceConfigBoolean(final String name) {
+ return false;
+ }
+
+ @Override
protected Resources getResourcesForSubIdWrapper(Context ctx, int subId) {
return mResources;
}
@@ -428,6 +434,7 @@
.thenReturn(new int[0]);
when(mResources.getBoolean(com.android.internal.R.bool.config_tether_upstream_automatic))
.thenReturn(false);
+ when(mResources.getBoolean(config_tether_enable_legacy_dhcp_server)).thenReturn(false);
when(mNetd.interfaceGetList())
.thenReturn(new String[] {
TEST_MOBILE_IFNAME, TEST_WLAN_IFNAME, TEST_USB_IFNAME, TEST_P2P_IFNAME});
@@ -440,7 +447,6 @@
when(mContext.getSystemService(Context.NOTIFICATION_SERVICE)).thenReturn(null);
mContentResolver = new MockContentResolver(mServiceContext);
mContentResolver.addProvider(Settings.AUTHORITY, new FakeSettingsProvider());
- Settings.Global.putInt(mContentResolver, TETHER_ENABLE_LEGACY_DHCP_SERVER, 0);
mIntents = new Vector<>();
mBroadcastReceiver = new BroadcastReceiver() {
@Override
@@ -692,7 +698,7 @@
@Test
public void workingMobileUsbTethering_IPv4LegacyDhcp() {
- Settings.Global.putInt(mContentResolver, TETHER_ENABLE_LEGACY_DHCP_SERVER, 1);
+ when(mResources.getBoolean(config_tether_enable_legacy_dhcp_server)).thenReturn(true);
sendConfigurationChanged();
final UpstreamNetworkState upstreamState = buildMobileIPv4UpstreamState();
runUsbTethering(upstreamState);