Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.connectivity; |
| 18 | |
| 19 | import static android.Manifest.permission.CHANGE_NETWORK_STATE; |
| 20 | import static android.Manifest.permission.CHANGE_WIFI_STATE; |
| 21 | import static android.Manifest.permission.CONNECTIVITY_INTERNAL; |
| 22 | import static android.Manifest.permission.CONNECTIVITY_USE_RESTRICTED_NETWORKS; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 23 | import static android.Manifest.permission.INTERNET; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 24 | import static android.Manifest.permission.NETWORK_STACK; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 25 | import static android.Manifest.permission.UPDATE_DEVICE_STATS; |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 26 | import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_OEM; |
| 27 | import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_PRODUCT; |
| 28 | import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_VENDOR; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 29 | import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_GRANTED; |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 30 | import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_REQUIRED; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 31 | import static android.content.pm.PackageManager.GET_PERMISSIONS; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 32 | import static android.content.pm.PackageManager.MATCH_ANY_USER; |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 33 | import static android.os.Process.SYSTEM_UID; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 34 | |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 35 | import static com.android.server.connectivity.PermissionMonitor.NETWORK; |
| 36 | import static com.android.server.connectivity.PermissionMonitor.SYSTEM; |
| 37 | |
| 38 | import static junit.framework.Assert.fail; |
| 39 | |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 40 | import static org.junit.Assert.assertEquals; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 41 | import static org.junit.Assert.assertFalse; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 42 | import static org.junit.Assert.assertNull; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 43 | import static org.junit.Assert.assertTrue; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 44 | import static org.mockito.AdditionalMatchers.aryEq; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 45 | import static org.mockito.ArgumentMatchers.any; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 46 | import static org.mockito.ArgumentMatchers.anyInt; |
| 47 | import static org.mockito.ArgumentMatchers.anyString; |
| 48 | import static org.mockito.ArgumentMatchers.eq; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 49 | import static org.mockito.Mockito.doAnswer; |
junyulai | 345155e | 2018-11-09 12:37:16 +0800 | [diff] [blame] | 50 | import static org.mockito.Mockito.doReturn; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 51 | import static org.mockito.Mockito.reset; |
junyulai | 345155e | 2018-11-09 12:37:16 +0800 | [diff] [blame] | 52 | import static org.mockito.Mockito.spy; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 53 | import static org.mockito.Mockito.verify; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 54 | import static org.mockito.Mockito.when; |
| 55 | |
| 56 | import android.content.Context; |
| 57 | import android.content.pm.ApplicationInfo; |
| 58 | import android.content.pm.PackageInfo; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 59 | import android.content.pm.PackageList; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 60 | import android.content.pm.PackageManager; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 61 | import android.content.pm.PackageManagerInternal; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 62 | import android.content.pm.UserInfo; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 63 | import android.net.INetd; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 64 | import android.net.UidRange; |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 65 | import android.os.Build; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 66 | import android.os.UserHandle; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 67 | import android.os.UserManager; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 68 | import android.util.SparseIntArray; |
Brett Chabot | 1ae2aa6 | 2019-03-04 14:14:56 -0800 | [diff] [blame] | 69 | |
Chalard Jean | 506686b | 2019-05-23 18:30:38 +0900 | [diff] [blame] | 70 | import androidx.test.InstrumentationRegistry; |
Brett Chabot | 1ae2aa6 | 2019-03-04 14:14:56 -0800 | [diff] [blame] | 71 | import androidx.test.filters.SmallTest; |
| 72 | import androidx.test.runner.AndroidJUnit4; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 73 | |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 74 | import com.android.server.LocalServices; |
| 75 | |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 76 | import org.junit.Before; |
| 77 | import org.junit.Test; |
| 78 | import org.junit.runner.RunWith; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 79 | import org.mockito.ArgumentCaptor; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 80 | import org.mockito.Mock; |
| 81 | import org.mockito.MockitoAnnotations; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 82 | import org.mockito.invocation.InvocationOnMock; |
| 83 | |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 84 | import java.util.ArrayList; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 85 | import java.util.Arrays; |
| 86 | import java.util.Collections; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 87 | import java.util.HashMap; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 88 | import java.util.HashSet; |
| 89 | import java.util.Set; |
| 90 | |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 91 | |
| 92 | @RunWith(AndroidJUnit4.class) |
| 93 | @SmallTest |
| 94 | public class PermissionMonitorTest { |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 95 | private static final int MOCK_USER1 = 0; |
| 96 | private static final int MOCK_USER2 = 1; |
| 97 | private static final int MOCK_UID1 = 10001; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 98 | private static final int MOCK_UID2 = 10086; |
| 99 | private static final int SYSTEM_UID1 = 1000; |
| 100 | private static final int SYSTEM_UID2 = 1008; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 101 | private static final int VPN_UID = 10002; |
Chalard Jean | 506686b | 2019-05-23 18:30:38 +0900 | [diff] [blame] | 102 | private static final String REAL_SYSTEM_PACKAGE_NAME = "android"; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 103 | private static final String MOCK_PACKAGE1 = "appName1"; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 104 | private static final String MOCK_PACKAGE2 = "appName2"; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 105 | private static final String SYSTEM_PACKAGE1 = "sysName1"; |
| 106 | private static final String SYSTEM_PACKAGE2 = "sysName2"; |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 107 | private static final String PARTITION_SYSTEM = "system"; |
| 108 | private static final String PARTITION_OEM = "oem"; |
| 109 | private static final String PARTITION_PRODUCT = "product"; |
| 110 | private static final String PARTITION_VENDOR = "vendor"; |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 111 | private static final int VERSION_P = Build.VERSION_CODES.P; |
| 112 | private static final int VERSION_Q = Build.VERSION_CODES.Q; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 113 | |
| 114 | @Mock private Context mContext; |
| 115 | @Mock private PackageManager mPackageManager; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 116 | @Mock private INetd mNetdService; |
| 117 | @Mock private PackageManagerInternal mMockPmi; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 118 | @Mock private UserManager mUserManager; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 119 | |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 120 | private PackageManagerInternal.PackageListObserver mObserver; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 121 | private PermissionMonitor mPermissionMonitor; |
| 122 | |
| 123 | @Before |
| 124 | public void setUp() throws Exception { |
| 125 | MockitoAnnotations.initMocks(this); |
| 126 | when(mContext.getPackageManager()).thenReturn(mPackageManager); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 127 | when(mContext.getSystemService(eq(Context.USER_SERVICE))).thenReturn(mUserManager); |
| 128 | when(mUserManager.getUsers(eq(true))).thenReturn( |
| 129 | Arrays.asList(new UserInfo[] { |
| 130 | new UserInfo(MOCK_USER1, "", 0), |
| 131 | new UserInfo(MOCK_USER2, "", 0), |
| 132 | })); |
| 133 | |
| 134 | mPermissionMonitor = spy(new PermissionMonitor(mContext, mNetdService)); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 135 | |
| 136 | LocalServices.removeServiceForTest(PackageManagerInternal.class); |
| 137 | LocalServices.addService(PackageManagerInternal.class, mMockPmi); |
| 138 | when(mMockPmi.getPackageList(any())).thenReturn(new PackageList(new ArrayList<String>(), |
| 139 | /* observer */ null)); |
| 140 | when(mPackageManager.getInstalledPackages(anyInt())).thenReturn(/* empty app list */ null); |
| 141 | mPermissionMonitor.startMonitoring(); |
| 142 | |
| 143 | final ArgumentCaptor<PackageManagerInternal.PackageListObserver> observerCaptor = |
| 144 | ArgumentCaptor.forClass(PackageManagerInternal.PackageListObserver.class); |
| 145 | verify(mMockPmi).getPackageList(observerCaptor.capture()); |
| 146 | mObserver = observerCaptor.getValue(); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 147 | } |
| 148 | |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 149 | private boolean hasRestrictedNetworkPermission(String partition, int targetSdkVersion, int uid, |
| 150 | String... permissions) { |
| 151 | final PackageInfo packageInfo = |
| 152 | packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED, permissions, partition); |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 153 | packageInfo.applicationInfo.targetSdkVersion = targetSdkVersion; |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 154 | packageInfo.applicationInfo.uid = uid; |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 155 | return mPermissionMonitor.hasRestrictedNetworkPermission(packageInfo); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 156 | } |
| 157 | |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 158 | private static PackageInfo systemPackageInfoWithPermissions(String... permissions) { |
| 159 | return packageInfoWithPermissions( |
| 160 | REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_SYSTEM); |
| 161 | } |
| 162 | |
| 163 | private static PackageInfo vendorPackageInfoWithPermissions(String... permissions) { |
| 164 | return packageInfoWithPermissions( |
| 165 | REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_VENDOR); |
| 166 | } |
| 167 | |
| 168 | private static PackageInfo packageInfoWithPermissions(int permissionsFlags, |
| 169 | String[] permissions, String partition) { |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 170 | int[] requestedPermissionsFlags = new int[permissions.length]; |
| 171 | for (int i = 0; i < permissions.length; i++) { |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 172 | requestedPermissionsFlags[i] = permissionsFlags; |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 173 | } |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 174 | final PackageInfo packageInfo = new PackageInfo(); |
| 175 | packageInfo.requestedPermissions = permissions; |
| 176 | packageInfo.applicationInfo = new ApplicationInfo(); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 177 | packageInfo.requestedPermissionsFlags = requestedPermissionsFlags; |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 178 | int privateFlags = 0; |
| 179 | switch (partition) { |
| 180 | case PARTITION_OEM: |
| 181 | privateFlags = PRIVATE_FLAG_OEM; |
| 182 | break; |
| 183 | case PARTITION_PRODUCT: |
| 184 | privateFlags = PRIVATE_FLAG_PRODUCT; |
| 185 | break; |
| 186 | case PARTITION_VENDOR: |
| 187 | privateFlags = PRIVATE_FLAG_VENDOR; |
| 188 | break; |
| 189 | } |
| 190 | packageInfo.applicationInfo.privateFlags = privateFlags; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 191 | return packageInfo; |
| 192 | } |
| 193 | |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 194 | private static PackageInfo buildPackageInfo(boolean hasSystemPermission, int uid, int userId) { |
| 195 | final PackageInfo pkgInfo; |
| 196 | if (hasSystemPermission) { |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 197 | pkgInfo = systemPackageInfoWithPermissions( |
| 198 | CHANGE_NETWORK_STATE, NETWORK_STACK, CONNECTIVITY_USE_RESTRICTED_NETWORKS); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 199 | } else { |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 200 | pkgInfo = packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED, new String[] {}, ""); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 201 | } |
| 202 | pkgInfo.applicationInfo.uid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); |
| 203 | return pkgInfo; |
| 204 | } |
| 205 | |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 206 | @Test |
| 207 | public void testHasPermission() { |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 208 | PackageInfo app = systemPackageInfoWithPermissions(); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 209 | assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
| 210 | assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); |
| 211 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 212 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); |
| 213 | |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 214 | app = systemPackageInfoWithPermissions(CHANGE_NETWORK_STATE, NETWORK_STACK); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 215 | assertTrue(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
| 216 | assertTrue(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); |
| 217 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 218 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); |
| 219 | |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 220 | app = systemPackageInfoWithPermissions( |
| 221 | CONNECTIVITY_USE_RESTRICTED_NETWORKS, CONNECTIVITY_INTERNAL); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 222 | assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
| 223 | assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); |
| 224 | assertTrue(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 225 | assertTrue(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 226 | |
| 227 | app = packageInfoWithPermissions(REQUESTED_PERMISSION_REQUIRED, new String[] { |
| 228 | CONNECTIVITY_USE_RESTRICTED_NETWORKS, CONNECTIVITY_INTERNAL, NETWORK_STACK }, |
| 229 | PARTITION_SYSTEM); |
| 230 | assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
| 231 | assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); |
| 232 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 233 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); |
| 234 | |
| 235 | app = systemPackageInfoWithPermissions(CHANGE_NETWORK_STATE); |
| 236 | app.requestedPermissions = null; |
| 237 | assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
| 238 | |
| 239 | app = systemPackageInfoWithPermissions(CHANGE_NETWORK_STATE); |
| 240 | app.requestedPermissionsFlags = null; |
| 241 | assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 242 | } |
| 243 | |
| 244 | @Test |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 245 | public void testIsVendorApp() { |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 246 | PackageInfo app = systemPackageInfoWithPermissions(); |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 247 | assertFalse(mPermissionMonitor.isVendorApp(app.applicationInfo)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 248 | app = packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED, |
| 249 | new String[] {}, PARTITION_OEM); |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 250 | assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 251 | app = packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED, |
| 252 | new String[] {}, PARTITION_PRODUCT); |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 253 | assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 254 | app = vendorPackageInfoWithPermissions(); |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 255 | assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo)); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | @Test |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 259 | public void testHasNetworkPermission() { |
| 260 | PackageInfo app = systemPackageInfoWithPermissions(); |
| 261 | assertFalse(mPermissionMonitor.hasNetworkPermission(app)); |
| 262 | app = systemPackageInfoWithPermissions(CHANGE_NETWORK_STATE); |
| 263 | assertTrue(mPermissionMonitor.hasNetworkPermission(app)); |
| 264 | app = systemPackageInfoWithPermissions(NETWORK_STACK); |
| 265 | assertFalse(mPermissionMonitor.hasNetworkPermission(app)); |
| 266 | app = systemPackageInfoWithPermissions(CONNECTIVITY_USE_RESTRICTED_NETWORKS); |
| 267 | assertFalse(mPermissionMonitor.hasNetworkPermission(app)); |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 268 | app = systemPackageInfoWithPermissions(CONNECTIVITY_INTERNAL); |
| 269 | assertFalse(mPermissionMonitor.hasNetworkPermission(app)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | @Test |
| 273 | public void testHasRestrictedNetworkPermission() { |
| 274 | assertFalse(hasRestrictedNetworkPermission(PARTITION_SYSTEM, VERSION_P, MOCK_UID1)); |
| 275 | assertFalse(hasRestrictedNetworkPermission( |
| 276 | PARTITION_SYSTEM, VERSION_P, MOCK_UID1, CHANGE_NETWORK_STATE)); |
| 277 | assertTrue(hasRestrictedNetworkPermission( |
| 278 | PARTITION_SYSTEM, VERSION_P, MOCK_UID1, NETWORK_STACK)); |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 279 | assertFalse(hasRestrictedNetworkPermission( |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 280 | PARTITION_SYSTEM, VERSION_P, MOCK_UID1, CONNECTIVITY_INTERNAL)); |
| 281 | assertTrue(hasRestrictedNetworkPermission( |
| 282 | PARTITION_SYSTEM, VERSION_P, MOCK_UID1, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 283 | assertFalse(hasRestrictedNetworkPermission( |
| 284 | PARTITION_SYSTEM, VERSION_P, MOCK_UID1, CHANGE_WIFI_STATE)); |
| 285 | |
| 286 | assertFalse(hasRestrictedNetworkPermission(PARTITION_SYSTEM, VERSION_Q, MOCK_UID1)); |
| 287 | assertFalse(hasRestrictedNetworkPermission( |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 288 | PARTITION_SYSTEM, VERSION_Q, MOCK_UID1, CONNECTIVITY_INTERNAL)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 289 | } |
| 290 | |
| 291 | @Test |
| 292 | public void testHasRestrictedNetworkPermissionSystemUid() { |
| 293 | doReturn(VERSION_P).when(mPermissionMonitor).getDeviceFirstSdkInt(); |
| 294 | assertTrue(hasRestrictedNetworkPermission(PARTITION_SYSTEM, VERSION_P, SYSTEM_UID)); |
| 295 | assertTrue(hasRestrictedNetworkPermission( |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 296 | PARTITION_SYSTEM, VERSION_P, SYSTEM_UID, CONNECTIVITY_INTERNAL)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 297 | assertTrue(hasRestrictedNetworkPermission( |
| 298 | PARTITION_SYSTEM, VERSION_P, SYSTEM_UID, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 299 | |
| 300 | doReturn(VERSION_Q).when(mPermissionMonitor).getDeviceFirstSdkInt(); |
| 301 | assertFalse(hasRestrictedNetworkPermission(PARTITION_SYSTEM, VERSION_Q, SYSTEM_UID)); |
| 302 | assertFalse(hasRestrictedNetworkPermission( |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 303 | PARTITION_SYSTEM, VERSION_Q, SYSTEM_UID, CONNECTIVITY_INTERNAL)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 304 | assertTrue(hasRestrictedNetworkPermission( |
| 305 | PARTITION_SYSTEM, VERSION_Q, SYSTEM_UID, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 306 | } |
| 307 | |
| 308 | @Test |
| 309 | public void testHasRestrictedNetworkPermissionVendorApp() { |
| 310 | assertTrue(hasRestrictedNetworkPermission(PARTITION_VENDOR, VERSION_P, MOCK_UID1)); |
| 311 | assertTrue(hasRestrictedNetworkPermission( |
| 312 | PARTITION_VENDOR, VERSION_P, MOCK_UID1, CHANGE_NETWORK_STATE)); |
| 313 | assertTrue(hasRestrictedNetworkPermission( |
| 314 | PARTITION_VENDOR, VERSION_P, MOCK_UID1, NETWORK_STACK)); |
| 315 | assertTrue(hasRestrictedNetworkPermission( |
| 316 | PARTITION_VENDOR, VERSION_P, MOCK_UID1, CONNECTIVITY_INTERNAL)); |
| 317 | assertTrue(hasRestrictedNetworkPermission( |
| 318 | PARTITION_VENDOR, VERSION_P, MOCK_UID1, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 319 | assertTrue(hasRestrictedNetworkPermission( |
| 320 | PARTITION_VENDOR, VERSION_P, MOCK_UID1, CHANGE_WIFI_STATE)); |
| 321 | |
| 322 | assertFalse(hasRestrictedNetworkPermission(PARTITION_VENDOR, VERSION_Q, MOCK_UID1)); |
| 323 | assertFalse(hasRestrictedNetworkPermission( |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 324 | PARTITION_VENDOR, VERSION_Q, MOCK_UID1, CONNECTIVITY_INTERNAL)); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 325 | assertFalse(hasRestrictedNetworkPermission( |
| 326 | PARTITION_VENDOR, VERSION_Q, MOCK_UID1, CHANGE_NETWORK_STATE)); |
| 327 | } |
| 328 | |
| 329 | private void assertBackgroundPermission(boolean hasPermission, String name, int uid, |
| 330 | String... permissions) throws Exception { |
| 331 | when(mPackageManager.getPackageInfo(eq(name), anyInt())) |
| 332 | .thenReturn(packageInfoWithPermissions( |
| 333 | REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_SYSTEM)); |
| 334 | mPermissionMonitor.onPackageAdded(name, uid); |
| 335 | assertEquals(hasPermission, mPermissionMonitor.hasUseBackgroundNetworksPermission(uid)); |
| 336 | } |
| 337 | |
| 338 | @Test |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 339 | public void testHasUseBackgroundNetworksPermission() throws Exception { |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 340 | assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(SYSTEM_UID)); |
| 341 | assertBackgroundPermission(false, SYSTEM_PACKAGE1, SYSTEM_UID); |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 342 | assertBackgroundPermission(false, SYSTEM_PACKAGE1, SYSTEM_UID, CONNECTIVITY_INTERNAL); |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 343 | assertBackgroundPermission(true, SYSTEM_PACKAGE1, SYSTEM_UID, CHANGE_NETWORK_STATE); |
| 344 | assertBackgroundPermission(true, SYSTEM_PACKAGE1, SYSTEM_UID, NETWORK_STACK); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 345 | |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 346 | assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID1)); |
| 347 | assertBackgroundPermission(false, MOCK_PACKAGE1, MOCK_UID1); |
| 348 | assertBackgroundPermission(true, MOCK_PACKAGE1, MOCK_UID1, |
| 349 | CONNECTIVITY_USE_RESTRICTED_NETWORKS); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 350 | |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 351 | assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID2)); |
| 352 | assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID2); |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 353 | assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID2, |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 354 | CONNECTIVITY_INTERNAL); |
paulhu | 59148b7 | 2019-08-12 16:25:11 +0800 | [diff] [blame] | 355 | assertBackgroundPermission(true, MOCK_PACKAGE2, MOCK_UID2, NETWORK_STACK); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 356 | } |
| 357 | |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 358 | private class NetdMonitor { |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 359 | private final HashMap<Integer, Boolean> mApps = new HashMap<>(); |
| 360 | |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 361 | NetdMonitor(INetd mockNetd) throws Exception { |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 362 | // Add hook to verify and track result of setPermission. |
| 363 | doAnswer((InvocationOnMock invocation) -> { |
| 364 | final Object[] args = invocation.getArguments(); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 365 | final Boolean isSystem = args[0].equals(INetd.PERMISSION_SYSTEM); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 366 | for (final int uid : (int[]) args[1]) { |
| 367 | // TODO: Currently, permission monitor will send duplicate commands for each uid |
| 368 | // corresponding to each user. Need to fix that and uncomment below test. |
| 369 | // if (mApps.containsKey(uid) && mApps.get(uid) == isSystem) { |
| 370 | // fail("uid " + uid + " is already set to " + isSystem); |
| 371 | // } |
| 372 | mApps.put(uid, isSystem); |
| 373 | } |
| 374 | return null; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 375 | }).when(mockNetd).networkSetPermissionForUser(anyInt(), any(int[].class)); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 376 | |
| 377 | // Add hook to verify and track result of clearPermission. |
| 378 | doAnswer((InvocationOnMock invocation) -> { |
| 379 | final Object[] args = invocation.getArguments(); |
| 380 | for (final int uid : (int[]) args[0]) { |
| 381 | // TODO: Currently, permission monitor will send duplicate commands for each uid |
| 382 | // corresponding to each user. Need to fix that and uncomment below test. |
| 383 | // if (!mApps.containsKey(uid)) { |
| 384 | // fail("uid " + uid + " does not exist."); |
| 385 | // } |
| 386 | mApps.remove(uid); |
| 387 | } |
| 388 | return null; |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 389 | }).when(mockNetd).networkClearPermissionForUser(any(int[].class)); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 390 | } |
| 391 | |
| 392 | public void expectPermission(Boolean permission, int[] users, int[] apps) { |
| 393 | for (final int user : users) { |
| 394 | for (final int app : apps) { |
| 395 | final int uid = UserHandle.getUid(user, app); |
| 396 | if (!mApps.containsKey(uid)) { |
| 397 | fail("uid " + uid + " does not exist."); |
| 398 | } |
| 399 | if (mApps.get(uid) != permission) { |
| 400 | fail("uid " + uid + " has wrong permission: " + permission); |
| 401 | } |
| 402 | } |
| 403 | } |
| 404 | } |
| 405 | |
| 406 | public void expectNoPermission(int[] users, int[] apps) { |
| 407 | for (final int user : users) { |
| 408 | for (final int app : apps) { |
| 409 | final int uid = UserHandle.getUid(user, app); |
| 410 | if (mApps.containsKey(uid)) { |
| 411 | fail("uid " + uid + " has listed permissions, expected none."); |
| 412 | } |
| 413 | } |
| 414 | } |
| 415 | } |
| 416 | } |
| 417 | |
| 418 | @Test |
| 419 | public void testUserAndPackageAddRemove() throws Exception { |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 420 | final NetdMonitor mNetdMonitor = new NetdMonitor(mNetdService); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 421 | |
| 422 | // MOCK_UID1: MOCK_PACKAGE1 only has network permission. |
| 423 | // SYSTEM_UID: SYSTEM_PACKAGE1 has system permission. |
| 424 | // SYSTEM_UID: SYSTEM_PACKAGE2 only has network permission. |
| 425 | doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(eq(SYSTEM), anyString()); |
| 426 | doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(any(), |
| 427 | eq(SYSTEM_PACKAGE1)); |
| 428 | doReturn(NETWORK).when(mPermissionMonitor).highestPermissionForUid(any(), |
| 429 | eq(SYSTEM_PACKAGE2)); |
| 430 | doReturn(NETWORK).when(mPermissionMonitor).highestPermissionForUid(any(), |
| 431 | eq(MOCK_PACKAGE1)); |
| 432 | |
| 433 | // Add SYSTEM_PACKAGE2, expect only have network permission. |
| 434 | mPermissionMonitor.onUserAdded(MOCK_USER1); |
| 435 | addPackageForUsers(new int[]{MOCK_USER1}, SYSTEM_PACKAGE2, SYSTEM_UID); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 436 | mNetdMonitor.expectPermission(NETWORK, new int[]{MOCK_USER1}, new int[]{SYSTEM_UID}); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 437 | |
| 438 | // Add SYSTEM_PACKAGE1, expect permission escalate. |
| 439 | addPackageForUsers(new int[]{MOCK_USER1}, SYSTEM_PACKAGE1, SYSTEM_UID); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 440 | mNetdMonitor.expectPermission(SYSTEM, new int[]{MOCK_USER1}, new int[]{SYSTEM_UID}); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 441 | |
| 442 | mPermissionMonitor.onUserAdded(MOCK_USER2); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 443 | mNetdMonitor.expectPermission(SYSTEM, new int[]{MOCK_USER1, MOCK_USER2}, |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 444 | new int[]{SYSTEM_UID}); |
| 445 | |
| 446 | addPackageForUsers(new int[]{MOCK_USER1, MOCK_USER2}, MOCK_PACKAGE1, MOCK_UID1); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 447 | mNetdMonitor.expectPermission(SYSTEM, new int[]{MOCK_USER1, MOCK_USER2}, |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 448 | new int[]{SYSTEM_UID}); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 449 | mNetdMonitor.expectPermission(NETWORK, new int[]{MOCK_USER1, MOCK_USER2}, |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 450 | new int[]{MOCK_UID1}); |
| 451 | |
| 452 | // Remove MOCK_UID1, expect no permission left for all user. |
| 453 | mPermissionMonitor.onPackageRemoved(MOCK_UID1); |
| 454 | removePackageForUsers(new int[]{MOCK_USER1, MOCK_USER2}, MOCK_UID1); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 455 | mNetdMonitor.expectNoPermission(new int[]{MOCK_USER1, MOCK_USER2}, new int[]{MOCK_UID1}); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 456 | |
| 457 | // Remove SYSTEM_PACKAGE1, expect permission downgrade. |
| 458 | when(mPackageManager.getPackagesForUid(anyInt())).thenReturn(new String[]{SYSTEM_PACKAGE2}); |
| 459 | removePackageForUsers(new int[]{MOCK_USER1, MOCK_USER2}, SYSTEM_UID); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 460 | mNetdMonitor.expectPermission(NETWORK, new int[]{MOCK_USER1, MOCK_USER2}, |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 461 | new int[]{SYSTEM_UID}); |
| 462 | |
| 463 | mPermissionMonitor.onUserRemoved(MOCK_USER1); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 464 | mNetdMonitor.expectPermission(NETWORK, new int[]{MOCK_USER2}, new int[]{SYSTEM_UID}); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 465 | |
| 466 | // Remove all packages, expect no permission left. |
| 467 | when(mPackageManager.getPackagesForUid(anyInt())).thenReturn(new String[]{}); |
| 468 | removePackageForUsers(new int[]{MOCK_USER2}, SYSTEM_UID); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 469 | mNetdMonitor.expectNoPermission(new int[]{MOCK_USER1, MOCK_USER2}, |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 470 | new int[]{SYSTEM_UID, MOCK_UID1}); |
| 471 | |
| 472 | // Remove last user, expect no redundant clearPermission is invoked. |
| 473 | mPermissionMonitor.onUserRemoved(MOCK_USER2); |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 474 | mNetdMonitor.expectNoPermission(new int[]{MOCK_USER1, MOCK_USER2}, |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 475 | new int[]{SYSTEM_UID, MOCK_UID1}); |
| 476 | } |
| 477 | |
Lorenzo Colitti | 4c9f954 | 2019-04-12 10:48:06 +0000 | [diff] [blame] | 478 | @Test |
| 479 | public void testUidFilteringDuringVpnConnectDisconnectAndUidUpdates() throws Exception { |
| 480 | when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn( |
| 481 | Arrays.asList(new PackageInfo[] { |
| 482 | buildPackageInfo(/* SYSTEM */ true, SYSTEM_UID1, MOCK_USER1), |
| 483 | buildPackageInfo(/* SYSTEM */ false, MOCK_UID1, MOCK_USER1), |
| 484 | buildPackageInfo(/* SYSTEM */ false, MOCK_UID2, MOCK_USER1), |
| 485 | buildPackageInfo(/* SYSTEM */ false, VPN_UID, MOCK_USER1) |
| 486 | })); |
| 487 | when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE1), eq(GET_PERMISSIONS))).thenReturn( |
| 488 | buildPackageInfo(false, MOCK_UID1, MOCK_USER1)); |
| 489 | mPermissionMonitor.startMonitoring(); |
| 490 | // Every app on user 0 except MOCK_UID2 are under VPN. |
| 491 | final Set<UidRange> vpnRange1 = new HashSet<>(Arrays.asList(new UidRange[] { |
| 492 | new UidRange(0, MOCK_UID2 - 1), |
| 493 | new UidRange(MOCK_UID2 + 1, UserHandle.PER_USER_RANGE - 1)})); |
| 494 | final Set<UidRange> vpnRange2 = Collections.singleton(new UidRange(MOCK_UID2, MOCK_UID2)); |
| 495 | |
| 496 | // When VPN is connected, expect a rule to be set up for user app MOCK_UID1 |
| 497 | mPermissionMonitor.onVpnUidRangesAdded("tun0", vpnRange1, VPN_UID); |
| 498 | verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), |
| 499 | aryEq(new int[] {MOCK_UID1})); |
| 500 | |
| 501 | reset(mNetdService); |
| 502 | |
| 503 | // When MOCK_UID1 package is uninstalled and reinstalled, expect Netd to be updated |
| 504 | mPermissionMonitor.onPackageRemoved(UserHandle.getUid(MOCK_USER1, MOCK_UID1)); |
| 505 | verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID1})); |
| 506 | mPermissionMonitor.onPackageAdded(MOCK_PACKAGE1, UserHandle.getUid(MOCK_USER1, MOCK_UID1)); |
| 507 | verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), |
| 508 | aryEq(new int[] {MOCK_UID1})); |
| 509 | |
| 510 | reset(mNetdService); |
| 511 | |
| 512 | // During VPN uid update (vpnRange1 -> vpnRange2), ConnectivityService first deletes the |
| 513 | // old UID rules then adds the new ones. Expect netd to be updated |
| 514 | mPermissionMonitor.onVpnUidRangesRemoved("tun0", vpnRange1, VPN_UID); |
| 515 | verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID1})); |
| 516 | mPermissionMonitor.onVpnUidRangesAdded("tun0", vpnRange2, VPN_UID); |
| 517 | verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), |
| 518 | aryEq(new int[] {MOCK_UID2})); |
| 519 | |
| 520 | reset(mNetdService); |
| 521 | |
| 522 | // When VPN is disconnected, expect rules to be torn down |
| 523 | mPermissionMonitor.onVpnUidRangesRemoved("tun0", vpnRange2, VPN_UID); |
| 524 | verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID2})); |
| 525 | assertNull(mPermissionMonitor.getVpnUidRanges("tun0")); |
| 526 | } |
| 527 | |
| 528 | @Test |
| 529 | public void testUidFilteringDuringPackageInstallAndUninstall() throws Exception { |
| 530 | when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn( |
| 531 | Arrays.asList(new PackageInfo[] { |
| 532 | buildPackageInfo(true, SYSTEM_UID1, MOCK_USER1), |
| 533 | buildPackageInfo(false, VPN_UID, MOCK_USER1) |
| 534 | })); |
| 535 | when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE1), eq(GET_PERMISSIONS))).thenReturn( |
| 536 | buildPackageInfo(false, MOCK_UID1, MOCK_USER1)); |
| 537 | |
| 538 | mPermissionMonitor.startMonitoring(); |
| 539 | final Set<UidRange> vpnRange = Collections.singleton(UidRange.createForUser(MOCK_USER1)); |
| 540 | mPermissionMonitor.onVpnUidRangesAdded("tun0", vpnRange, VPN_UID); |
| 541 | |
| 542 | // Newly-installed package should have uid rules added |
| 543 | mPermissionMonitor.onPackageAdded(MOCK_PACKAGE1, UserHandle.getUid(MOCK_USER1, MOCK_UID1)); |
| 544 | verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), |
| 545 | aryEq(new int[] {MOCK_UID1})); |
| 546 | |
| 547 | // Removed package should have its uid rules removed |
| 548 | mPermissionMonitor.onPackageRemoved(UserHandle.getUid(MOCK_USER1, MOCK_UID1)); |
| 549 | verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID1})); |
| 550 | } |
| 551 | |
| 552 | |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 553 | // Normal package add/remove operations will trigger multiple intent for uids corresponding to |
| 554 | // each user. To simulate generic package operations, the onPackageAdded/Removed will need to be |
| 555 | // called multiple times with the uid corresponding to each user. |
| 556 | private void addPackageForUsers(int[] users, String packageName, int uid) { |
| 557 | for (final int user : users) { |
| 558 | mPermissionMonitor.onPackageAdded(packageName, UserHandle.getUid(user, uid)); |
| 559 | } |
| 560 | } |
| 561 | |
| 562 | private void removePackageForUsers(int[] users, int uid) { |
| 563 | for (final int user : users) { |
| 564 | mPermissionMonitor.onPackageRemoved(UserHandle.getUid(user, uid)); |
| 565 | } |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 566 | } |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 567 | |
| 568 | private class NetdServiceMonitor { |
| 569 | private final HashMap<Integer, Integer> mPermissions = new HashMap<>(); |
| 570 | |
| 571 | NetdServiceMonitor(INetd mockNetdService) throws Exception { |
| 572 | // Add hook to verify and track result of setPermission. |
| 573 | doAnswer((InvocationOnMock invocation) -> { |
| 574 | final Object[] args = invocation.getArguments(); |
| 575 | final int permission = (int) args[0]; |
| 576 | for (final int uid : (int[]) args[1]) { |
| 577 | mPermissions.put(uid, permission); |
| 578 | } |
| 579 | return null; |
| 580 | }).when(mockNetdService).trafficSetNetPermForUids(anyInt(), any(int[].class)); |
| 581 | } |
| 582 | |
| 583 | public void expectPermission(int permission, int[] apps) { |
| 584 | for (final int app : apps) { |
| 585 | if (!mPermissions.containsKey(app)) { |
| 586 | fail("uid " + app + " does not exist."); |
| 587 | } |
| 588 | if (mPermissions.get(app) != permission) { |
| 589 | fail("uid " + app + " has wrong permission: " + mPermissions.get(app)); |
| 590 | } |
| 591 | } |
| 592 | } |
| 593 | } |
| 594 | |
| 595 | @Test |
| 596 | public void testPackagePermissionUpdate() throws Exception { |
| 597 | final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService); |
| 598 | // MOCK_UID1: MOCK_PACKAGE1 only has internet permission. |
| 599 | // MOCK_UID2: MOCK_PACKAGE2 does not have any permission. |
| 600 | // SYSTEM_UID1: SYSTEM_PACKAGE1 has internet permission and update device stats permission. |
| 601 | // SYSTEM_UID2: SYSTEM_PACKAGE2 has only update device stats permission. |
| 602 | |
| 603 | SparseIntArray netdPermissionsAppIds = new SparseIntArray(); |
| 604 | netdPermissionsAppIds.put(MOCK_UID1, INetd.PERMISSION_INTERNET); |
Chenbo Feng | 05887f9 | 2019-04-19 16:05:03 -0700 | [diff] [blame] | 605 | netdPermissionsAppIds.put(MOCK_UID2, INetd.PERMISSION_NONE); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 606 | netdPermissionsAppIds.put(SYSTEM_UID1, INetd.PERMISSION_INTERNET |
| 607 | | INetd.PERMISSION_UPDATE_DEVICE_STATS); |
| 608 | netdPermissionsAppIds.put(SYSTEM_UID2, INetd.PERMISSION_UPDATE_DEVICE_STATS); |
| 609 | |
| 610 | // Send the permission information to netd, expect permission updated. |
| 611 | mPermissionMonitor.sendPackagePermissionsToNetd(netdPermissionsAppIds); |
| 612 | |
| 613 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET, |
| 614 | new int[]{MOCK_UID1}); |
Chenbo Feng | 05887f9 | 2019-04-19 16:05:03 -0700 | [diff] [blame] | 615 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_NONE, new int[]{MOCK_UID2}); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 616 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET |
| 617 | | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{SYSTEM_UID1}); |
| 618 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_UPDATE_DEVICE_STATS, |
| 619 | new int[]{SYSTEM_UID2}); |
| 620 | |
| 621 | // Update permission of MOCK_UID1, expect new permission show up. |
| 622 | mPermissionMonitor.sendPackagePermissionsForUid(MOCK_UID1, |
| 623 | INetd.PERMISSION_INTERNET | INetd.PERMISSION_UPDATE_DEVICE_STATS); |
| 624 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET |
| 625 | | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1}); |
| 626 | |
| 627 | // Change permissions of SYSTEM_UID2, expect new permission show up and old permission |
| 628 | // revoked. |
| 629 | mPermissionMonitor.sendPackagePermissionsForUid(SYSTEM_UID2, |
| 630 | INetd.PERMISSION_INTERNET); |
| 631 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET, new int[]{SYSTEM_UID2}); |
| 632 | |
| 633 | // Revoke permission from SYSTEM_UID1, expect no permission stored. |
Chenbo Feng | 05887f9 | 2019-04-19 16:05:03 -0700 | [diff] [blame] | 634 | mPermissionMonitor.sendPackagePermissionsForUid(SYSTEM_UID1, INetd.PERMISSION_NONE); |
| 635 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_NONE, new int[]{SYSTEM_UID1}); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 636 | } |
| 637 | |
Lorenzo Colitti | fc90115 | 2019-09-20 11:36:06 +0900 | [diff] [blame] | 638 | private PackageInfo setPackagePermissions(String packageName, int uid, String[] permissions) |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 639 | throws Exception { |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 640 | PackageInfo packageInfo = packageInfoWithPermissions( |
| 641 | REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_SYSTEM); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 642 | when(mPackageManager.getPackageInfo(eq(packageName), anyInt())).thenReturn(packageInfo); |
| 643 | when(mPackageManager.getPackagesForUid(eq(uid))).thenReturn(new String[]{packageName}); |
Lorenzo Colitti | fc90115 | 2019-09-20 11:36:06 +0900 | [diff] [blame] | 644 | return packageInfo; |
| 645 | } |
| 646 | |
| 647 | private PackageInfo addPackage(String packageName, int uid, String[] permissions) |
| 648 | throws Exception { |
| 649 | PackageInfo packageInfo = setPackagePermissions(packageName, uid, permissions); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 650 | mObserver.onPackageAdded(packageName, uid); |
| 651 | return packageInfo; |
| 652 | } |
| 653 | |
| 654 | @Test |
| 655 | public void testPackageInstall() throws Exception { |
| 656 | final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService); |
| 657 | |
| 658 | addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET, UPDATE_DEVICE_STATS}); |
| 659 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET |
| 660 | | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1}); |
| 661 | |
| 662 | addPackage(MOCK_PACKAGE2, MOCK_UID2, new String[] {INTERNET}); |
| 663 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET, new int[]{MOCK_UID2}); |
| 664 | } |
| 665 | |
| 666 | @Test |
| 667 | public void testPackageInstallSharedUid() throws Exception { |
| 668 | final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService); |
| 669 | |
| 670 | PackageInfo packageInfo1 = addPackage(MOCK_PACKAGE1, MOCK_UID1, |
| 671 | new String[] {INTERNET, UPDATE_DEVICE_STATS}); |
| 672 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET |
| 673 | | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1}); |
| 674 | |
| 675 | // Install another package with the same uid and no permissions should not cause the UID to |
| 676 | // lose permissions. |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 677 | PackageInfo packageInfo2 = systemPackageInfoWithPermissions(); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 678 | when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE2), anyInt())).thenReturn(packageInfo2); |
| 679 | when(mPackageManager.getPackagesForUid(MOCK_UID1)) |
| 680 | .thenReturn(new String[]{MOCK_PACKAGE1, MOCK_PACKAGE2}); |
| 681 | mObserver.onPackageAdded(MOCK_PACKAGE2, MOCK_UID1); |
| 682 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET |
| 683 | | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1}); |
| 684 | } |
| 685 | |
| 686 | @Test |
| 687 | public void testPackageUninstallBasic() throws Exception { |
| 688 | final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService); |
| 689 | |
| 690 | addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET, UPDATE_DEVICE_STATS}); |
| 691 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET |
| 692 | | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1}); |
| 693 | |
| 694 | when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{}); |
| 695 | mObserver.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1); |
Chenbo Feng | a6817cd | 2019-03-25 18:13:34 -0700 | [diff] [blame] | 696 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_UNINSTALLED, new int[]{MOCK_UID1}); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 697 | } |
| 698 | |
| 699 | @Test |
Lorenzo Colitti | fc90115 | 2019-09-20 11:36:06 +0900 | [diff] [blame] | 700 | public void testPackageRemoveThenAdd() throws Exception { |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 701 | final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService); |
| 702 | |
| 703 | addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET, UPDATE_DEVICE_STATS}); |
| 704 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET |
| 705 | | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1}); |
| 706 | |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 707 | when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{}); |
| 708 | mObserver.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1); |
Chenbo Feng | a6817cd | 2019-03-25 18:13:34 -0700 | [diff] [blame] | 709 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_UNINSTALLED, new int[]{MOCK_UID1}); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 710 | |
| 711 | addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET}); |
| 712 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET, new int[]{MOCK_UID1}); |
| 713 | } |
| 714 | |
| 715 | @Test |
Lorenzo Colitti | fc90115 | 2019-09-20 11:36:06 +0900 | [diff] [blame] | 716 | public void testPackageUpdate() throws Exception { |
| 717 | final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService); |
| 718 | |
| 719 | addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {}); |
| 720 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_NONE, new int[]{MOCK_UID1}); |
| 721 | |
| 722 | // When updating a package, the broadcast receiver gets two broadcasts (a remove and then an |
| 723 | // add), but the observer sees only one callback (an update). |
| 724 | setPackagePermissions(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET}); |
| 725 | mObserver.onPackageChanged(MOCK_PACKAGE1, MOCK_UID1); |
| 726 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET, new int[]{MOCK_UID1}); |
| 727 | } |
| 728 | |
| 729 | @Test |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 730 | public void testPackageUninstallWithMultiplePackages() throws Exception { |
| 731 | final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService); |
| 732 | |
| 733 | addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET, UPDATE_DEVICE_STATS}); |
| 734 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET |
| 735 | | INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1}); |
| 736 | |
| 737 | // Mock another package with the same uid but different permissions. |
paulhu | 86e23eb | 2019-11-05 18:05:05 +0800 | [diff] [blame] | 738 | PackageInfo packageInfo2 = systemPackageInfoWithPermissions(INTERNET); |
Chenbo Feng | 436fe58 | 2019-02-25 22:55:58 -0800 | [diff] [blame] | 739 | when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE2), anyInt())).thenReturn(packageInfo2); |
| 740 | when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{ |
| 741 | MOCK_PACKAGE2}); |
| 742 | |
| 743 | mObserver.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1); |
| 744 | mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET, new int[]{MOCK_UID1}); |
| 745 | } |
Chalard Jean | 506686b | 2019-05-23 18:30:38 +0900 | [diff] [blame] | 746 | |
| 747 | @Test |
| 748 | public void testRealSystemPermission() throws Exception { |
| 749 | // Use the real context as this test must ensure the *real* system package holds the |
| 750 | // necessary permission. |
| 751 | final Context realContext = InstrumentationRegistry.getContext(); |
| 752 | final PermissionMonitor monitor = new PermissionMonitor(realContext, mNetdService); |
| 753 | final PackageManager manager = realContext.getPackageManager(); |
| 754 | final PackageInfo systemInfo = manager.getPackageInfo(REAL_SYSTEM_PACKAGE_NAME, |
| 755 | GET_PERMISSIONS | MATCH_ANY_USER); |
| 756 | assertTrue(monitor.hasPermission(systemInfo, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 757 | } |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 758 | } |