LineageOS/android_packages_modules_Connectivity
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Have PermissionMonitor arbiter which app can access background networks

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This will let ConnectivityService send the right callbacks to the
relevant apps.

Test: manual with apps
      runtest frameworks-net
      cts
      new tests for this functionality
Bug: 67408339

Change-Id: I6f08efd9e73c7e191f833d7f307a3bf4c9e2f0b4
This commit is contained in:
Chalard Jean
2018-03-20 19:13:57 +09:00
parent bd12ffffc0
commit e64b8d7bce
4 changed files with 193 additions and 21 deletions
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134
tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java Normal file
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/*
* Copyright (C) 2018 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 com.android.server.connectivity;
import static android.Manifest.permission.CHANGE_NETWORK_STATE;
import static android.Manifest.permission.CHANGE_WIFI_STATE;
import static android.Manifest.permission.CONNECTIVITY_INTERNAL;
import static android.Manifest.permission.CONNECTIVITY_USE_RESTRICTED_NETWORKS;
import static android.Manifest.permission.NETWORK_STACK;
import static android.content.pm.ApplicationInfo.FLAG_SYSTEM;
import static android.content.pm.PackageManager.GET_PERMISSIONS;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.when;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class PermissionMonitorTest {
private static final int MOCK_UID = 10001;
private static final String[] MOCK_PACKAGE_NAMES = new String[] { "com.foo.bar" };
@Mock private Context mContext;
@Mock private PackageManager mPackageManager;
private PermissionMonitor mPermissionMonitor;
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
when(mContext.getPackageManager()).thenReturn(mPackageManager);
when(mPackageManager.getPackagesForUid(MOCK_UID)).thenReturn(MOCK_PACKAGE_NAMES);
mPermissionMonitor = new PermissionMonitor(mContext, null);
}
private void expectPermission(String[] permissions, boolean preinstalled) throws Exception {
final PackageInfo packageInfo = packageInfoWithPermissions(permissions, preinstalled);
when(mPackageManager.getPackageInfo(MOCK_PACKAGE_NAMES[0], GET_PERMISSIONS))
.thenReturn(packageInfo);
}
private PackageInfo packageInfoWithPermissions(String[] permissions, boolean preinstalled) {
final PackageInfo packageInfo = new PackageInfo();
packageInfo.requestedPermissions = permissions;
packageInfo.applicationInfo = new ApplicationInfo();
packageInfo.applicationInfo.flags = preinstalled ? FLAG_SYSTEM : 0;
return packageInfo;
}
@Test
public void testHasPermission() {
PackageInfo app = packageInfoWithPermissions(new String[] {}, false);
assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE));
assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK));
assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS));
assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL));
app = packageInfoWithPermissions(new String[] {
CHANGE_NETWORK_STATE, NETWORK_STACK
}, false);
assertTrue(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE));
assertTrue(mPermissionMonitor.hasPermission(app, NETWORK_STACK));
assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS));
assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL));
app = packageInfoWithPermissions(new String[] {
CONNECTIVITY_USE_RESTRICTED_NETWORKS, CONNECTIVITY_INTERNAL
}, false);
assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE));
assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK));
assertTrue(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS));
assertTrue(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL));
}
@Test
public void testIsPreinstalledSystemApp() {
PackageInfo app = packageInfoWithPermissions(new String[] {}, false);
assertFalse(mPermissionMonitor.isPreinstalledSystemApp(app));
app = packageInfoWithPermissions(new String[] {}, true);
assertTrue(mPermissionMonitor.isPreinstalledSystemApp(app));
}
@Test
public void testHasUseBackgroundNetworksPermission() throws Exception {
expectPermission(new String[] { CHANGE_NETWORK_STATE }, false);
assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID));
expectPermission(new String[] { NETWORK_STACK, CONNECTIVITY_INTERNAL }, false);
assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID));
// TODO : make this false when b/31479477 is fixed
expectPermission(new String[] {}, true);
assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID));
expectPermission(new String[] { CHANGE_WIFI_STATE }, true);
assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID));
expectPermission(new String[] { NETWORK_STACK, CONNECTIVITY_INTERNAL }, true);
assertTrue(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID));
expectPermission(new String[] {}, false);
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID));
expectPermission(new String[] { CHANGE_WIFI_STATE }, false);
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID));
}
}