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; |
| 23 | import static android.Manifest.permission.NETWORK_STACK; |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 24 | import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_OEM; |
| 25 | import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_PRODUCT; |
| 26 | import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_VENDOR; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 27 | import static android.content.pm.PackageManager.GET_PERMISSIONS; |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 28 | import static android.os.Process.SYSTEM_UID; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 29 | |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 30 | import static com.android.server.connectivity.PermissionMonitor.NETWORK; |
| 31 | import static com.android.server.connectivity.PermissionMonitor.SYSTEM; |
| 32 | |
| 33 | import static junit.framework.Assert.fail; |
| 34 | |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 35 | import static org.junit.Assert.assertFalse; |
| 36 | import static org.junit.Assert.assertTrue; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 37 | import static org.mockito.ArgumentMatchers.any; |
| 38 | import static org.mockito.Matchers.anyString; |
Chalard Jean | 577164b | 2018-04-02 16:16:46 +0900 | [diff] [blame] | 39 | import static org.mockito.Mockito.anyInt; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 40 | import static org.mockito.Mockito.doAnswer; |
junyulai | 345155e | 2018-11-09 12:37:16 +0800 | [diff] [blame] | 41 | import static org.mockito.Mockito.doReturn; |
Chalard Jean | 577164b | 2018-04-02 16:16:46 +0900 | [diff] [blame] | 42 | import static org.mockito.Mockito.eq; |
junyulai | 345155e | 2018-11-09 12:37:16 +0800 | [diff] [blame] | 43 | import static org.mockito.Mockito.spy; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 44 | import static org.mockito.Mockito.when; |
| 45 | |
| 46 | import android.content.Context; |
| 47 | import android.content.pm.ApplicationInfo; |
| 48 | import android.content.pm.PackageInfo; |
| 49 | import android.content.pm.PackageManager; |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 50 | import android.os.Build; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 51 | import android.os.INetworkManagementService; |
| 52 | import android.os.UserHandle; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 53 | import android.support.test.filters.SmallTest; |
| 54 | import android.support.test.runner.AndroidJUnit4; |
| 55 | |
| 56 | import org.junit.Before; |
| 57 | import org.junit.Test; |
| 58 | import org.junit.runner.RunWith; |
| 59 | import org.mockito.Mock; |
| 60 | import org.mockito.MockitoAnnotations; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 61 | import org.mockito.invocation.InvocationOnMock; |
| 62 | |
| 63 | import java.util.HashMap; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 64 | |
| 65 | @RunWith(AndroidJUnit4.class) |
| 66 | @SmallTest |
| 67 | public class PermissionMonitorTest { |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 68 | private static final int MOCK_USER1 = 0; |
| 69 | private static final int MOCK_USER2 = 1; |
| 70 | private static final int MOCK_UID1 = 10001; |
| 71 | private static final String MOCK_PACKAGE1 = "appName1"; |
| 72 | private static final String SYSTEM_PACKAGE1 = "sysName1"; |
| 73 | private static final String SYSTEM_PACKAGE2 = "sysName2"; |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 74 | private static final String PARTITION_SYSTEM = "system"; |
| 75 | private static final String PARTITION_OEM = "oem"; |
| 76 | private static final String PARTITION_PRODUCT = "product"; |
| 77 | private static final String PARTITION_VENDOR = "vendor"; |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 78 | private static final int VERSION_P = Build.VERSION_CODES.P; |
| 79 | private static final int VERSION_Q = Build.VERSION_CODES.Q; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 80 | |
| 81 | @Mock private Context mContext; |
| 82 | @Mock private PackageManager mPackageManager; |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 83 | @Mock private INetworkManagementService mNMS; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 84 | |
| 85 | private PermissionMonitor mPermissionMonitor; |
| 86 | |
| 87 | @Before |
| 88 | public void setUp() throws Exception { |
| 89 | MockitoAnnotations.initMocks(this); |
| 90 | when(mContext.getPackageManager()).thenReturn(mPackageManager); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 91 | mPermissionMonitor = spy(new PermissionMonitor(mContext, mNMS)); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 92 | } |
| 93 | |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 94 | private boolean hasBgPermission(String partition, int targetSdkVersion, int uid, |
| 95 | String... permission) throws Exception { |
| 96 | final PackageInfo packageInfo = packageInfoWithPermissions(permission, partition); |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 97 | packageInfo.applicationInfo.targetSdkVersion = targetSdkVersion; |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 98 | packageInfo.applicationInfo.uid = uid; |
Chalard Jean | 577164b | 2018-04-02 16:16:46 +0900 | [diff] [blame] | 99 | when(mPackageManager.getPackageInfoAsUser( |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 100 | eq(MOCK_PACKAGE1), eq(GET_PERMISSIONS), anyInt())).thenReturn(packageInfo); |
| 101 | when(mPackageManager.getPackagesForUid(anyInt())).thenReturn(new String[] {MOCK_PACKAGE1}); |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 102 | return mPermissionMonitor.hasUseBackgroundNetworksPermission(uid); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 103 | } |
| 104 | |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 105 | private PackageInfo packageInfoWithPermissions(String[] permissions, String partition) { |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 106 | final PackageInfo packageInfo = new PackageInfo(); |
| 107 | packageInfo.requestedPermissions = permissions; |
| 108 | packageInfo.applicationInfo = new ApplicationInfo(); |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 109 | int privateFlags = 0; |
| 110 | switch (partition) { |
| 111 | case PARTITION_OEM: |
| 112 | privateFlags = PRIVATE_FLAG_OEM; |
| 113 | break; |
| 114 | case PARTITION_PRODUCT: |
| 115 | privateFlags = PRIVATE_FLAG_PRODUCT; |
| 116 | break; |
| 117 | case PARTITION_VENDOR: |
| 118 | privateFlags = PRIVATE_FLAG_VENDOR; |
| 119 | break; |
| 120 | } |
| 121 | packageInfo.applicationInfo.privateFlags = privateFlags; |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 122 | return packageInfo; |
| 123 | } |
| 124 | |
| 125 | @Test |
| 126 | public void testHasPermission() { |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 127 | PackageInfo app = packageInfoWithPermissions(new String[] {}, PARTITION_SYSTEM); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 128 | assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
| 129 | assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); |
| 130 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 131 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); |
| 132 | |
| 133 | app = packageInfoWithPermissions(new String[] { |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 134 | CHANGE_NETWORK_STATE, NETWORK_STACK |
| 135 | }, PARTITION_SYSTEM); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 136 | assertTrue(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
| 137 | assertTrue(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); |
| 138 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 139 | assertFalse(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); |
| 140 | |
| 141 | app = packageInfoWithPermissions(new String[] { |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 142 | CONNECTIVITY_USE_RESTRICTED_NETWORKS, CONNECTIVITY_INTERNAL |
| 143 | }, PARTITION_SYSTEM); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 144 | assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE)); |
| 145 | assertFalse(mPermissionMonitor.hasPermission(app, NETWORK_STACK)); |
| 146 | assertTrue(mPermissionMonitor.hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 147 | assertTrue(mPermissionMonitor.hasPermission(app, CONNECTIVITY_INTERNAL)); |
| 148 | } |
| 149 | |
| 150 | @Test |
paulhu | b673380 | 2018-08-20 11:01:21 +0800 | [diff] [blame] | 151 | public void testIsVendorApp() { |
| 152 | PackageInfo app = packageInfoWithPermissions(new String[] {}, PARTITION_SYSTEM); |
| 153 | assertFalse(mPermissionMonitor.isVendorApp(app.applicationInfo)); |
| 154 | app = packageInfoWithPermissions(new String[] {}, PARTITION_OEM); |
| 155 | assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo)); |
| 156 | app = packageInfoWithPermissions(new String[] {}, PARTITION_PRODUCT); |
| 157 | assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo)); |
| 158 | app = packageInfoWithPermissions(new String[] {}, PARTITION_VENDOR); |
| 159 | assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo)); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | @Test |
| 163 | public void testHasUseBackgroundNetworksPermission() throws Exception { |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 164 | assertFalse(hasBgPermission(PARTITION_SYSTEM, VERSION_P, MOCK_UID1)); |
| 165 | assertTrue(hasBgPermission(PARTITION_SYSTEM, VERSION_P, MOCK_UID1, CHANGE_NETWORK_STATE)); |
| 166 | assertTrue(hasBgPermission(PARTITION_SYSTEM, VERSION_P, MOCK_UID1, NETWORK_STACK)); |
| 167 | assertTrue(hasBgPermission(PARTITION_SYSTEM, VERSION_P, MOCK_UID1, CONNECTIVITY_INTERNAL)); |
| 168 | assertTrue(hasBgPermission(PARTITION_SYSTEM, VERSION_P, MOCK_UID1, |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 169 | CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 170 | assertFalse(hasBgPermission(PARTITION_SYSTEM, VERSION_P, MOCK_UID1, CHANGE_WIFI_STATE)); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 171 | |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 172 | assertFalse(hasBgPermission(PARTITION_SYSTEM, VERSION_Q, MOCK_UID1)); |
| 173 | assertFalse(hasBgPermission(PARTITION_SYSTEM, VERSION_Q, MOCK_UID1, CHANGE_WIFI_STATE)); |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 174 | } |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 175 | |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 176 | @Test |
| 177 | public void testHasUseBackgroundNetworksPermissionSystemUid() throws Exception { |
junyulai | 345155e | 2018-11-09 12:37:16 +0800 | [diff] [blame] | 178 | doReturn(VERSION_P).when(mPermissionMonitor).getDeviceFirstSdkInt(); |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 179 | assertTrue(hasBgPermission(PARTITION_SYSTEM, VERSION_P, SYSTEM_UID)); |
| 180 | assertTrue(hasBgPermission(PARTITION_SYSTEM, VERSION_P, SYSTEM_UID, CHANGE_WIFI_STATE)); |
| 181 | assertTrue(hasBgPermission(PARTITION_SYSTEM, VERSION_P, SYSTEM_UID, |
| 182 | CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 183 | |
junyulai | 345155e | 2018-11-09 12:37:16 +0800 | [diff] [blame] | 184 | doReturn(VERSION_Q).when(mPermissionMonitor).getDeviceFirstSdkInt(); |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 185 | assertFalse(hasBgPermission(PARTITION_SYSTEM, VERSION_Q, SYSTEM_UID)); |
| 186 | assertFalse(hasBgPermission(PARTITION_SYSTEM, VERSION_Q, SYSTEM_UID, CHANGE_WIFI_STATE)); |
| 187 | assertTrue(hasBgPermission(PARTITION_SYSTEM, VERSION_Q, SYSTEM_UID, |
| 188 | CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
| 189 | } |
| 190 | |
| 191 | @Test |
| 192 | public void testHasUseBackgroundNetworksPermissionVendorApp() throws Exception { |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 193 | assertTrue(hasBgPermission(PARTITION_VENDOR, VERSION_P, MOCK_UID1)); |
| 194 | assertTrue(hasBgPermission(PARTITION_VENDOR, VERSION_P, MOCK_UID1, CHANGE_NETWORK_STATE)); |
| 195 | assertTrue(hasBgPermission(PARTITION_VENDOR, VERSION_P, MOCK_UID1, NETWORK_STACK)); |
| 196 | assertTrue(hasBgPermission(PARTITION_VENDOR, VERSION_P, MOCK_UID1, CONNECTIVITY_INTERNAL)); |
| 197 | assertTrue(hasBgPermission(PARTITION_VENDOR, VERSION_P, MOCK_UID1, |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 198 | CONNECTIVITY_USE_RESTRICTED_NETWORKS)); |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 199 | assertTrue(hasBgPermission(PARTITION_VENDOR, VERSION_P, MOCK_UID1, CHANGE_WIFI_STATE)); |
paulhu | 3b0f5ea | 2018-11-01 10:38:11 +0800 | [diff] [blame] | 200 | |
junyulai | 2454b69 | 2018-11-01 17:16:31 +0800 | [diff] [blame] | 201 | assertFalse(hasBgPermission(PARTITION_VENDOR, VERSION_Q, MOCK_UID1)); |
| 202 | assertFalse(hasBgPermission(PARTITION_VENDOR, VERSION_Q, MOCK_UID1, CHANGE_WIFI_STATE)); |
| 203 | } |
| 204 | |
| 205 | private class NMSMonitor { |
| 206 | private final HashMap<Integer, Boolean> mApps = new HashMap<>(); |
| 207 | |
| 208 | NMSMonitor(INetworkManagementService mockNMS) throws Exception { |
| 209 | // Add hook to verify and track result of setPermission. |
| 210 | doAnswer((InvocationOnMock invocation) -> { |
| 211 | final Object[] args = invocation.getArguments(); |
| 212 | final Boolean isSystem = args[0].equals("SYSTEM"); |
| 213 | for (final int uid : (int[]) args[1]) { |
| 214 | // TODO: Currently, permission monitor will send duplicate commands for each uid |
| 215 | // corresponding to each user. Need to fix that and uncomment below test. |
| 216 | // if (mApps.containsKey(uid) && mApps.get(uid) == isSystem) { |
| 217 | // fail("uid " + uid + " is already set to " + isSystem); |
| 218 | // } |
| 219 | mApps.put(uid, isSystem); |
| 220 | } |
| 221 | return null; |
| 222 | }).when(mockNMS).setPermission(anyString(), any(int[].class)); |
| 223 | |
| 224 | // Add hook to verify and track result of clearPermission. |
| 225 | doAnswer((InvocationOnMock invocation) -> { |
| 226 | final Object[] args = invocation.getArguments(); |
| 227 | for (final int uid : (int[]) args[0]) { |
| 228 | // TODO: Currently, permission monitor will send duplicate commands for each uid |
| 229 | // corresponding to each user. Need to fix that and uncomment below test. |
| 230 | // if (!mApps.containsKey(uid)) { |
| 231 | // fail("uid " + uid + " does not exist."); |
| 232 | // } |
| 233 | mApps.remove(uid); |
| 234 | } |
| 235 | return null; |
| 236 | }).when(mockNMS).clearPermission(any(int[].class)); |
| 237 | } |
| 238 | |
| 239 | public void expectPermission(Boolean permission, int[] users, int[] apps) { |
| 240 | for (final int user : users) { |
| 241 | for (final int app : apps) { |
| 242 | final int uid = UserHandle.getUid(user, app); |
| 243 | if (!mApps.containsKey(uid)) { |
| 244 | fail("uid " + uid + " does not exist."); |
| 245 | } |
| 246 | if (mApps.get(uid) != permission) { |
| 247 | fail("uid " + uid + " has wrong permission: " + permission); |
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | public void expectNoPermission(int[] users, int[] apps) { |
| 254 | for (final int user : users) { |
| 255 | for (final int app : apps) { |
| 256 | final int uid = UserHandle.getUid(user, app); |
| 257 | if (mApps.containsKey(uid)) { |
| 258 | fail("uid " + uid + " has listed permissions, expected none."); |
| 259 | } |
| 260 | } |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | @Test |
| 266 | public void testUserAndPackageAddRemove() throws Exception { |
| 267 | final NMSMonitor mNMSMonitor = new NMSMonitor(mNMS); |
| 268 | |
| 269 | // MOCK_UID1: MOCK_PACKAGE1 only has network permission. |
| 270 | // SYSTEM_UID: SYSTEM_PACKAGE1 has system permission. |
| 271 | // SYSTEM_UID: SYSTEM_PACKAGE2 only has network permission. |
| 272 | doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(eq(SYSTEM), anyString()); |
| 273 | doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(any(), |
| 274 | eq(SYSTEM_PACKAGE1)); |
| 275 | doReturn(NETWORK).when(mPermissionMonitor).highestPermissionForUid(any(), |
| 276 | eq(SYSTEM_PACKAGE2)); |
| 277 | doReturn(NETWORK).when(mPermissionMonitor).highestPermissionForUid(any(), |
| 278 | eq(MOCK_PACKAGE1)); |
| 279 | |
| 280 | // Add SYSTEM_PACKAGE2, expect only have network permission. |
| 281 | mPermissionMonitor.onUserAdded(MOCK_USER1); |
| 282 | addPackageForUsers(new int[]{MOCK_USER1}, SYSTEM_PACKAGE2, SYSTEM_UID); |
| 283 | mNMSMonitor.expectPermission(NETWORK, new int[]{MOCK_USER1}, new int[]{SYSTEM_UID}); |
| 284 | |
| 285 | // Add SYSTEM_PACKAGE1, expect permission escalate. |
| 286 | addPackageForUsers(new int[]{MOCK_USER1}, SYSTEM_PACKAGE1, SYSTEM_UID); |
| 287 | mNMSMonitor.expectPermission(SYSTEM, new int[]{MOCK_USER1}, new int[]{SYSTEM_UID}); |
| 288 | |
| 289 | mPermissionMonitor.onUserAdded(MOCK_USER2); |
| 290 | mNMSMonitor.expectPermission(SYSTEM, new int[]{MOCK_USER1, MOCK_USER2}, |
| 291 | new int[]{SYSTEM_UID}); |
| 292 | |
| 293 | addPackageForUsers(new int[]{MOCK_USER1, MOCK_USER2}, MOCK_PACKAGE1, MOCK_UID1); |
| 294 | mNMSMonitor.expectPermission(SYSTEM, new int[]{MOCK_USER1, MOCK_USER2}, |
| 295 | new int[]{SYSTEM_UID}); |
| 296 | mNMSMonitor.expectPermission(NETWORK, new int[]{MOCK_USER1, MOCK_USER2}, |
| 297 | new int[]{MOCK_UID1}); |
| 298 | |
| 299 | // Remove MOCK_UID1, expect no permission left for all user. |
| 300 | mPermissionMonitor.onPackageRemoved(MOCK_UID1); |
| 301 | removePackageForUsers(new int[]{MOCK_USER1, MOCK_USER2}, MOCK_UID1); |
| 302 | mNMSMonitor.expectNoPermission(new int[]{MOCK_USER1, MOCK_USER2}, new int[]{MOCK_UID1}); |
| 303 | |
| 304 | // Remove SYSTEM_PACKAGE1, expect permission downgrade. |
| 305 | when(mPackageManager.getPackagesForUid(anyInt())).thenReturn(new String[]{SYSTEM_PACKAGE2}); |
| 306 | removePackageForUsers(new int[]{MOCK_USER1, MOCK_USER2}, SYSTEM_UID); |
| 307 | mNMSMonitor.expectPermission(NETWORK, new int[]{MOCK_USER1, MOCK_USER2}, |
| 308 | new int[]{SYSTEM_UID}); |
| 309 | |
| 310 | mPermissionMonitor.onUserRemoved(MOCK_USER1); |
| 311 | mNMSMonitor.expectPermission(NETWORK, new int[]{MOCK_USER2}, new int[]{SYSTEM_UID}); |
| 312 | |
| 313 | // Remove all packages, expect no permission left. |
| 314 | when(mPackageManager.getPackagesForUid(anyInt())).thenReturn(new String[]{}); |
| 315 | removePackageForUsers(new int[]{MOCK_USER2}, SYSTEM_UID); |
| 316 | mNMSMonitor.expectNoPermission(new int[]{MOCK_USER1, MOCK_USER2}, |
| 317 | new int[]{SYSTEM_UID, MOCK_UID1}); |
| 318 | |
| 319 | // Remove last user, expect no redundant clearPermission is invoked. |
| 320 | mPermissionMonitor.onUserRemoved(MOCK_USER2); |
| 321 | mNMSMonitor.expectNoPermission(new int[]{MOCK_USER1, MOCK_USER2}, |
| 322 | new int[]{SYSTEM_UID, MOCK_UID1}); |
| 323 | } |
| 324 | |
| 325 | // Normal package add/remove operations will trigger multiple intent for uids corresponding to |
| 326 | // each user. To simulate generic package operations, the onPackageAdded/Removed will need to be |
| 327 | // called multiple times with the uid corresponding to each user. |
| 328 | private void addPackageForUsers(int[] users, String packageName, int uid) { |
| 329 | for (final int user : users) { |
| 330 | mPermissionMonitor.onPackageAdded(packageName, UserHandle.getUid(user, uid)); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | private void removePackageForUsers(int[] users, int uid) { |
| 335 | for (final int user : users) { |
| 336 | mPermissionMonitor.onPackageRemoved(UserHandle.getUid(user, uid)); |
| 337 | } |
Chalard Jean | 26aa91a | 2018-03-20 19:13:57 +0900 | [diff] [blame] | 338 | } |
| 339 | } |