[RFPM03] Check permission by uid.
PermissionMonitor check permission by each package name but only
update the uid permission to netd. It's better to check
permission by uid directly. Thus, use
ActivityManager#checkUidPermission to check permissions for each
uid.
Bug: 132784544
Test: atest FrameworksNetTests
Change-Id: I057d34383b4dc408b2773e4c6b146774ba0c5eb2
diff --git a/services/core/java/com/android/server/connectivity/PermissionMonitor.java b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
index a75a80a..f8774b1 100644
--- a/services/core/java/com/android/server/connectivity/PermissionMonitor.java
+++ b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
@@ -21,14 +21,23 @@
import static android.Manifest.permission.INTERNET;
import static android.Manifest.permission.NETWORK_STACK;
import static android.Manifest.permission.UPDATE_DEVICE_STATS;
-import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_GRANTED;
import static android.content.pm.PackageManager.GET_PERMISSIONS;
import static android.content.pm.PackageManager.MATCH_ANY_USER;
+import static android.net.INetd.PERMISSION_INTERNET;
+import static android.net.INetd.PERMISSION_NETWORK;
+import static android.net.INetd.PERMISSION_NONE;
+import static android.net.INetd.PERMISSION_SYSTEM;
+import static android.net.INetd.PERMISSION_UNINSTALLED;
+import static android.net.INetd.PERMISSION_UPDATE_DEVICE_STATS;
import static android.net.NetworkStack.PERMISSION_MAINLINE_NETWORK_STACK;
import static android.os.Process.INVALID_UID;
import static android.os.Process.SYSTEM_UID;
+import static com.android.internal.util.ArrayUtils.convertToIntArray;
+
import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.app.ActivityManager;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
@@ -51,7 +60,6 @@
import com.android.internal.annotations.GuardedBy;
import com.android.internal.annotations.VisibleForTesting;
-import com.android.internal.util.ArrayUtils;
import com.android.internal.util.IndentingPrintWriter;
import com.android.server.LocalServices;
import com.android.server.SystemConfig;
@@ -65,7 +73,6 @@
import java.util.Map.Entry;
import java.util.Set;
-
/**
* A utility class to inform Netd of UID permisisons.
* Does a mass update at boot and then monitors for app install/remove.
@@ -114,6 +121,13 @@
public int getDeviceFirstSdkInt() {
return Build.VERSION.FIRST_SDK_INT;
}
+
+ /**
+ * Check whether given uid has specific permission.
+ */
+ public int uidPermission(@NonNull final String permission, final int uid) {
+ return ActivityManager.checkUidPermission(permission, uid);
+ }
}
public PermissionMonitor(@NonNull final Context context, @NonNull final INetd netd) {
@@ -156,8 +170,9 @@
}
mAllApps.add(UserHandle.getAppId(uid));
- boolean isNetwork = hasNetworkPermission(app);
- boolean hasRestrictedPermission = hasRestrictedNetworkPermission(app);
+ final boolean isNetwork = hasPermission(CHANGE_NETWORK_STATE, uid);
+ final boolean hasRestrictedPermission =
+ hasRestrictedNetworkPermission(app.applicationInfo);
if (isNetwork || hasRestrictedPermission) {
Boolean permission = mApps.get(uid);
@@ -169,8 +184,7 @@
}
//TODO: unify the management of the permissions into one codepath.
- int otherNetdPerms = getNetdPermissionMask(app.requestedPermissions,
- app.requestedPermissionsFlags);
+ final int otherNetdPerms = getNetdPermissionMask(uid);
netdPermsUids.put(uid, netdPermsUids.get(uid) | otherNetdPerms);
}
@@ -190,9 +204,8 @@
// Get the uids of native services that have UPDATE_DEVICE_STATS or INTERNET permission.
if (perms != null) {
netdPermission |= perms.contains(UPDATE_DEVICE_STATS)
- ? INetd.PERMISSION_UPDATE_DEVICE_STATS : 0;
- netdPermission |= perms.contains(INTERNET)
- ? INetd.PERMISSION_INTERNET : 0;
+ ? PERMISSION_UPDATE_DEVICE_STATS : 0;
+ netdPermission |= perms.contains(INTERNET) ? PERMISSION_INTERNET : 0;
}
netdPermsUids.put(uid, netdPermsUids.get(uid) | netdPermission);
}
@@ -207,48 +220,33 @@
}
@VisibleForTesting
- boolean hasPermission(@NonNull final PackageInfo app, @NonNull final String permission) {
- if (app.requestedPermissions == null || app.requestedPermissionsFlags == null) {
- return false;
- }
- final int index = ArrayUtils.indexOf(app.requestedPermissions, permission);
- if (index < 0 || index >= app.requestedPermissionsFlags.length) return false;
- return (app.requestedPermissionsFlags[index] & REQUESTED_PERMISSION_GRANTED) != 0;
+ boolean hasPermission(@NonNull final String permission, final int uid) {
+ return mDeps.uidPermission(permission, uid) == PackageManager.PERMISSION_GRANTED;
}
@VisibleForTesting
- boolean hasNetworkPermission(@NonNull final PackageInfo app) {
- return hasPermission(app, CHANGE_NETWORK_STATE);
- }
-
- @VisibleForTesting
- boolean hasRestrictedNetworkPermission(@NonNull final PackageInfo app) {
- // TODO : remove this check in the future(b/31479477). All apps should just
+ boolean hasRestrictedNetworkPermission(@Nullable final ApplicationInfo appInfo) {
+ if (appInfo == null) return false;
+ // TODO : remove this check in the future(b/162295056). All apps should just
// request the appropriate permission for their use case since android Q.
- if (app.applicationInfo != null) {
- // Backward compatibility for b/114245686, on devices that launched before Q daemons
- // and apps running as the system UID are exempted from this check.
- if (app.applicationInfo.uid == SYSTEM_UID && mDeps.getDeviceFirstSdkInt() < VERSION_Q) {
- return true;
- }
-
- if (app.applicationInfo.targetSdkVersion < VERSION_Q
- && isVendorApp(app.applicationInfo)) {
- return true;
- }
+ if ((appInfo.targetSdkVersion < VERSION_Q && isVendorApp(appInfo))
+ // Backward compatibility for b/114245686, on devices that launched before Q daemons
+ // and apps running as the system UID are exempted from this check.
+ || (appInfo.uid == SYSTEM_UID && mDeps.getDeviceFirstSdkInt() < VERSION_Q)) {
+ return true;
}
- return hasPermission(app, PERMISSION_MAINLINE_NETWORK_STACK)
- || hasPermission(app, NETWORK_STACK)
- || hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS);
+ return hasPermission(PERMISSION_MAINLINE_NETWORK_STACK, appInfo.uid)
+ || hasPermission(NETWORK_STACK, appInfo.uid)
+ || hasPermission(CONNECTIVITY_USE_RESTRICTED_NETWORKS, appInfo.uid);
}
/** Returns whether the given uid has using background network permission. */
public synchronized boolean hasUseBackgroundNetworksPermission(final int uid) {
// Apps with any of the CHANGE_NETWORK_STATE, NETWORK_STACK, CONNECTIVITY_INTERNAL or
// CONNECTIVITY_USE_RESTRICTED_NETWORKS permission has the permission to use background
- // networks. mApps contains the result of checks for both hasNetworkPermission and
- // hasRestrictedNetworkPermission. If uid is in the mApps list that means uid has one of
+ // networks. mApps contains the result of checks for both CHANGE_NETWORK_STATE permission
+ // and hasRestrictedNetworkPermission. If uid is in the mApps list that means uid has one of
// permissions at least.
return mApps.containsKey(uid);
}
@@ -273,11 +271,11 @@
}
try {
if (add) {
- mNetd.networkSetPermissionForUser(INetd.PERMISSION_NETWORK, toIntArray(network));
- mNetd.networkSetPermissionForUser(INetd.PERMISSION_SYSTEM, toIntArray(system));
+ mNetd.networkSetPermissionForUser(PERMISSION_NETWORK, convertToIntArray(network));
+ mNetd.networkSetPermissionForUser(PERMISSION_SYSTEM, convertToIntArray(system));
} else {
- mNetd.networkClearPermissionForUser(toIntArray(network));
- mNetd.networkClearPermissionForUser(toIntArray(system));
+ mNetd.networkClearPermissionForUser(convertToIntArray(network));
+ mNetd.networkClearPermissionForUser(convertToIntArray(system));
}
} catch (RemoteException e) {
loge("Exception when updating permissions: " + e);
@@ -323,14 +321,15 @@
}
@VisibleForTesting
- protected Boolean highestPermissionForUid(Boolean currentPermission, String name) {
+ protected Boolean highestPermissionForUid(Boolean currentPermission, String name, int uid) {
if (currentPermission == SYSTEM) {
return currentPermission;
}
try {
final PackageInfo app = mPackageManager.getPackageInfo(name, GET_PERMISSIONS);
- final boolean isNetwork = hasNetworkPermission(app);
- final boolean hasRestrictedPermission = hasRestrictedNetworkPermission(app);
+ final boolean isNetwork = hasPermission(CHANGE_NETWORK_STATE, uid);
+ final boolean hasRestrictedPermission =
+ hasRestrictedNetworkPermission(app.applicationInfo);
if (isNetwork || hasRestrictedPermission) {
currentPermission = hasRestrictedPermission;
}
@@ -342,23 +341,14 @@
}
private int getPermissionForUid(final int uid) {
- int permission = INetd.PERMISSION_NONE;
// Check all the packages for this UID. The UID has the permission if any of the
// packages in it has the permission.
final String[] packages = mPackageManager.getPackagesForUid(uid);
- if (packages != null && packages.length > 0) {
- for (String name : packages) {
- final PackageInfo app = getPackageInfo(name);
- if (app != null && app.requestedPermissions != null) {
- permission |= getNetdPermissionMask(app.requestedPermissions,
- app.requestedPermissionsFlags);
- }
- }
- } else {
+ if (packages == null || packages.length <= 0) {
// The last package of this uid is removed from device. Clean the package up.
- permission = INetd.PERMISSION_UNINSTALLED;
+ return PERMISSION_UNINSTALLED;
}
- return permission;
+ return getNetdPermissionMask(uid);
}
/**
@@ -375,7 +365,7 @@
// If multiple packages share a UID (cf: android:sharedUserId) and ask for different
// permissions, don't downgrade (i.e., if it's already SYSTEM, leave it as is).
- final Boolean permission = highestPermissionForUid(mApps.get(uid), packageName);
+ final Boolean permission = highestPermissionForUid(mApps.get(uid), packageName, uid);
if (permission != mApps.get(uid)) {
mApps.put(uid, permission);
@@ -431,7 +421,7 @@
String[] packages = mPackageManager.getPackagesForUid(uid);
if (packages != null && packages.length > 0) {
for (String name : packages) {
- permission = highestPermissionForUid(permission, name);
+ permission = highestPermissionForUid(permission, name, uid);
if (permission == SYSTEM) {
// An app with this UID still has the SYSTEM permission.
// Therefore, this UID must already have the SYSTEM permission.
@@ -467,19 +457,13 @@
sendPackagePermissionsForUid(uid, getPermissionForUid(uid));
}
- private static int getNetdPermissionMask(String[] requestedPermissions,
- int[] requestedPermissionsFlags) {
- int permissions = 0;
- if (requestedPermissions == null || requestedPermissionsFlags == null) return permissions;
- for (int i = 0; i < requestedPermissions.length; i++) {
- if (requestedPermissions[i].equals(INTERNET)
- && ((requestedPermissionsFlags[i] & REQUESTED_PERMISSION_GRANTED) != 0)) {
- permissions |= INetd.PERMISSION_INTERNET;
- }
- if (requestedPermissions[i].equals(UPDATE_DEVICE_STATS)
- && ((requestedPermissionsFlags[i] & REQUESTED_PERMISSION_GRANTED) != 0)) {
- permissions |= INetd.PERMISSION_UPDATE_DEVICE_STATS;
- }
+ private int getNetdPermissionMask(final int uid) {
+ int permissions = PERMISSION_NONE;
+ if (hasPermission(INTERNET, uid)) {
+ permissions |= PERMISSION_INTERNET;
+ }
+ if (hasPermission(UPDATE_DEVICE_STATS, uid)) {
+ permissions |= PERMISSION_UPDATE_DEVICE_STATS;
}
return permissions;
}
@@ -648,19 +632,19 @@
for (int i = 0; i < netdPermissionsAppIds.size(); i++) {
int permissions = netdPermissionsAppIds.valueAt(i);
switch(permissions) {
- case (INetd.PERMISSION_INTERNET | INetd.PERMISSION_UPDATE_DEVICE_STATS):
+ case (PERMISSION_INTERNET | PERMISSION_UPDATE_DEVICE_STATS):
allPermissionAppIds.add(netdPermissionsAppIds.keyAt(i));
break;
- case INetd.PERMISSION_INTERNET:
+ case PERMISSION_INTERNET:
internetPermissionAppIds.add(netdPermissionsAppIds.keyAt(i));
break;
- case INetd.PERMISSION_UPDATE_DEVICE_STATS:
+ case PERMISSION_UPDATE_DEVICE_STATS:
updateStatsPermissionAppIds.add(netdPermissionsAppIds.keyAt(i));
break;
- case INetd.PERMISSION_NONE:
+ case PERMISSION_NONE:
noPermissionAppIds.add(netdPermissionsAppIds.keyAt(i));
break;
- case INetd.PERMISSION_UNINSTALLED:
+ case PERMISSION_UNINSTALLED:
uninstalledAppIds.add(netdPermissionsAppIds.keyAt(i));
default:
Log.e(TAG, "unknown permission type: " + permissions + "for uid: "
@@ -671,24 +655,24 @@
// TODO: add a lock inside netd to protect IPC trafficSetNetPermForUids()
if (allPermissionAppIds.size() != 0) {
mNetd.trafficSetNetPermForUids(
- INetd.PERMISSION_INTERNET | INetd.PERMISSION_UPDATE_DEVICE_STATS,
- ArrayUtils.convertToIntArray(allPermissionAppIds));
+ PERMISSION_INTERNET | PERMISSION_UPDATE_DEVICE_STATS,
+ convertToIntArray(allPermissionAppIds));
}
if (internetPermissionAppIds.size() != 0) {
- mNetd.trafficSetNetPermForUids(INetd.PERMISSION_INTERNET,
- ArrayUtils.convertToIntArray(internetPermissionAppIds));
+ mNetd.trafficSetNetPermForUids(PERMISSION_INTERNET,
+ convertToIntArray(internetPermissionAppIds));
}
if (updateStatsPermissionAppIds.size() != 0) {
- mNetd.trafficSetNetPermForUids(INetd.PERMISSION_UPDATE_DEVICE_STATS,
- ArrayUtils.convertToIntArray(updateStatsPermissionAppIds));
+ mNetd.trafficSetNetPermForUids(PERMISSION_UPDATE_DEVICE_STATS,
+ convertToIntArray(updateStatsPermissionAppIds));
}
if (noPermissionAppIds.size() != 0) {
- mNetd.trafficSetNetPermForUids(INetd.PERMISSION_NONE,
- ArrayUtils.convertToIntArray(noPermissionAppIds));
+ mNetd.trafficSetNetPermForUids(PERMISSION_NONE,
+ convertToIntArray(noPermissionAppIds));
}
if (uninstalledAppIds.size() != 0) {
- mNetd.trafficSetNetPermForUids(INetd.PERMISSION_UNINSTALLED,
- ArrayUtils.convertToIntArray(uninstalledAppIds));
+ mNetd.trafficSetNetPermForUids(PERMISSION_UNINSTALLED,
+ convertToIntArray(uninstalledAppIds));
}
} catch (RemoteException e) {
Log.e(TAG, "Pass appId list of special permission failed." + e);
diff --git a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
index fdc6084..6633c9d 100644
--- a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
+++ b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
@@ -26,8 +26,6 @@
import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_OEM;
import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_PRODUCT;
import static android.content.pm.ApplicationInfo.PRIVATE_FLAG_VENDOR;
-import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_GRANTED;
-import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_REQUIRED;
import static android.content.pm.PackageManager.GET_PERMISSIONS;
import static android.content.pm.PackageManager.MATCH_ANY_USER;
import static android.os.Process.SYSTEM_UID;
@@ -97,7 +95,6 @@
private static final int SYSTEM_UID1 = 1000;
private static final int SYSTEM_UID2 = 1008;
private static final int VPN_UID = 10002;
- private static final String REAL_SYSTEM_PACKAGE_NAME = "android";
private static final String MOCK_PACKAGE1 = "appName1";
private static final String MOCK_PACKAGE2 = "appName2";
private static final String SYSTEM_PACKAGE1 = "sysName1";
@@ -128,6 +125,7 @@
new UserInfo(MOCK_USER1, "", 0),
new UserInfo(MOCK_USER2, "", 0),
}));
+ doReturn(PackageManager.PERMISSION_DENIED).when(mDeps).uidPermission(anyString(), anyInt());
mPermissionMonitor = spy(new PermissionMonitor(mContext, mNetdService, mDeps));
@@ -140,35 +138,22 @@
verify(mMockPmi).getPackageList(mPermissionMonitor);
}
+ /**
+ * Remove all permissions from the uid then build new package info and setup permissions to uid
+ * for checking restricted network permission.
+ */
private boolean hasRestrictedNetworkPermission(String partition, int targetSdkVersion, int uid,
String... permissions) {
- final PackageInfo packageInfo =
- packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED, permissions, partition);
+ final PackageInfo packageInfo = buildPackageInfo(partition, uid, MOCK_USER1);
packageInfo.applicationInfo.targetSdkVersion = targetSdkVersion;
- packageInfo.applicationInfo.uid = uid;
- return mPermissionMonitor.hasRestrictedNetworkPermission(packageInfo);
+ removeAllPermissions(uid);
+ addPermissions(uid, permissions);
+ return mPermissionMonitor.hasRestrictedNetworkPermission(packageInfo.applicationInfo);
}
- private static PackageInfo systemPackageInfoWithPermissions(String... permissions) {
- return packageInfoWithPermissions(
- REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_SYSTEM);
- }
-
- private static PackageInfo vendorPackageInfoWithPermissions(String... permissions) {
- return packageInfoWithPermissions(
- REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_VENDOR);
- }
-
- private static PackageInfo packageInfoWithPermissions(int permissionsFlags,
- String[] permissions, String partition) {
- int[] requestedPermissionsFlags = new int[permissions.length];
- for (int i = 0; i < permissions.length; i++) {
- requestedPermissionsFlags[i] = permissionsFlags;
- }
+ private static PackageInfo packageInfoWithPartition(String partition) {
final PackageInfo packageInfo = new PackageInfo();
- packageInfo.requestedPermissions = permissions;
packageInfo.applicationInfo = new ApplicationInfo();
- packageInfo.requestedPermissionsFlags = requestedPermissionsFlags;
int privateFlags = 0;
switch (partition) {
case PARTITION_OEM:
@@ -185,85 +170,65 @@
return packageInfo;
}
- private static PackageInfo buildPackageInfo(boolean hasSystemPermission, int uid, int userId) {
- final PackageInfo pkgInfo;
- if (hasSystemPermission) {
- pkgInfo = systemPackageInfoWithPermissions(
- CHANGE_NETWORK_STATE, NETWORK_STACK, CONNECTIVITY_USE_RESTRICTED_NETWORKS);
- } else {
- pkgInfo = packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED, new String[] {}, "");
- }
+ private static PackageInfo buildPackageInfo(String partition, int uid, int userId) {
+ final PackageInfo pkgInfo = packageInfoWithPartition(partition);
pkgInfo.applicationInfo.uid = UserHandle.getUid(userId, UserHandle.getAppId(uid));
return pkgInfo;
}
+ /** This will REMOVE all previously set permissions from given uid. */
+ private void removeAllPermissions(int uid) {
+ doReturn(PackageManager.PERMISSION_DENIED).when(mDeps).uidPermission(anyString(), eq(uid));
+ }
+
+ /** Set up mocks so that given UID has the requested permissions. */
+ private void addPermissions(int uid, String... permissions) {
+ for (String permission : permissions) {
+ doReturn(PackageManager.PERMISSION_GRANTED)
+ .when(mDeps).uidPermission(eq(permission), eq(uid));
+ }
+ }
+
@Test
public void testHasPermission() {
- PackageInfo app = systemPackageInfoWithPermissions();
- 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));
+ addPermissions(MOCK_UID1);
+ assertFalse(mPermissionMonitor.hasPermission(CHANGE_NETWORK_STATE, MOCK_UID1));
+ assertFalse(mPermissionMonitor.hasPermission(NETWORK_STACK, MOCK_UID1));
+ assertFalse(mPermissionMonitor.hasPermission(
+ CONNECTIVITY_USE_RESTRICTED_NETWORKS, MOCK_UID1));
+ assertFalse(mPermissionMonitor.hasPermission(CONNECTIVITY_INTERNAL, MOCK_UID1));
- app = systemPackageInfoWithPermissions(CHANGE_NETWORK_STATE, NETWORK_STACK);
- 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));
+ addPermissions(MOCK_UID1, CHANGE_NETWORK_STATE, NETWORK_STACK);
+ assertTrue(mPermissionMonitor.hasPermission(CHANGE_NETWORK_STATE, MOCK_UID1));
+ assertTrue(mPermissionMonitor.hasPermission(NETWORK_STACK, MOCK_UID1));
+ assertFalse(mPermissionMonitor.hasPermission(
+ CONNECTIVITY_USE_RESTRICTED_NETWORKS, MOCK_UID1));
+ assertFalse(mPermissionMonitor.hasPermission(CONNECTIVITY_INTERNAL, MOCK_UID1));
+ assertFalse(mPermissionMonitor.hasPermission(CHANGE_NETWORK_STATE, MOCK_UID2));
+ assertFalse(mPermissionMonitor.hasPermission(NETWORK_STACK, MOCK_UID2));
- app = systemPackageInfoWithPermissions(
- CONNECTIVITY_USE_RESTRICTED_NETWORKS, CONNECTIVITY_INTERNAL);
- 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));
-
- app = packageInfoWithPermissions(REQUESTED_PERMISSION_REQUIRED, new String[] {
- CONNECTIVITY_USE_RESTRICTED_NETWORKS, CONNECTIVITY_INTERNAL, NETWORK_STACK },
- PARTITION_SYSTEM);
- 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 = systemPackageInfoWithPermissions(CHANGE_NETWORK_STATE);
- app.requestedPermissions = null;
- assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE));
-
- app = systemPackageInfoWithPermissions(CHANGE_NETWORK_STATE);
- app.requestedPermissionsFlags = null;
- assertFalse(mPermissionMonitor.hasPermission(app, CHANGE_NETWORK_STATE));
+ addPermissions(MOCK_UID2, CONNECTIVITY_USE_RESTRICTED_NETWORKS, CONNECTIVITY_INTERNAL);
+ assertFalse(mPermissionMonitor.hasPermission(
+ CONNECTIVITY_USE_RESTRICTED_NETWORKS, MOCK_UID1));
+ assertFalse(mPermissionMonitor.hasPermission(CONNECTIVITY_INTERNAL, MOCK_UID1));
+ assertTrue(mPermissionMonitor.hasPermission(
+ CONNECTIVITY_USE_RESTRICTED_NETWORKS, MOCK_UID2));
+ assertTrue(mPermissionMonitor.hasPermission(CONNECTIVITY_INTERNAL, MOCK_UID2));
}
@Test
public void testIsVendorApp() {
- PackageInfo app = systemPackageInfoWithPermissions();
+ PackageInfo app = packageInfoWithPartition(PARTITION_SYSTEM);
assertFalse(mPermissionMonitor.isVendorApp(app.applicationInfo));
- app = packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED,
- new String[] {}, PARTITION_OEM);
+ app = packageInfoWithPartition(PARTITION_OEM);
assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo));
- app = packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED,
- new String[] {}, PARTITION_PRODUCT);
+ app = packageInfoWithPartition(PARTITION_PRODUCT);
assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo));
- app = vendorPackageInfoWithPermissions();
+ app = packageInfoWithPartition(PARTITION_VENDOR);
assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo));
}
@Test
- public void testHasNetworkPermission() {
- PackageInfo app = systemPackageInfoWithPermissions();
- assertFalse(mPermissionMonitor.hasNetworkPermission(app));
- app = systemPackageInfoWithPermissions(CHANGE_NETWORK_STATE);
- assertTrue(mPermissionMonitor.hasNetworkPermission(app));
- app = systemPackageInfoWithPermissions(NETWORK_STACK);
- assertFalse(mPermissionMonitor.hasNetworkPermission(app));
- app = systemPackageInfoWithPermissions(CONNECTIVITY_USE_RESTRICTED_NETWORKS);
- assertFalse(mPermissionMonitor.hasNetworkPermission(app));
- app = systemPackageInfoWithPermissions(CONNECTIVITY_INTERNAL);
- assertFalse(mPermissionMonitor.hasNetworkPermission(app));
- }
-
- @Test
public void testHasRestrictedNetworkPermission() {
assertFalse(hasRestrictedNetworkPermission(PARTITION_SYSTEM, VERSION_P, MOCK_UID1));
assertFalse(hasRestrictedNetworkPermission(
@@ -323,30 +288,27 @@
private void assertBackgroundPermission(boolean hasPermission, String name, int uid,
String... permissions) throws Exception {
when(mPackageManager.getPackageInfo(eq(name), anyInt()))
- .thenReturn(packageInfoWithPermissions(
- REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_SYSTEM));
+ .thenReturn(buildPackageInfo(PARTITION_SYSTEM, uid, MOCK_USER1));
+ addPermissions(uid, permissions);
mPermissionMonitor.onPackageAdded(name, uid);
assertEquals(hasPermission, mPermissionMonitor.hasUseBackgroundNetworksPermission(uid));
}
@Test
public void testHasUseBackgroundNetworksPermission() throws Exception {
+ doReturn(VERSION_Q).when(mDeps).getDeviceFirstSdkInt();
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(SYSTEM_UID));
- assertBackgroundPermission(false, SYSTEM_PACKAGE1, SYSTEM_UID);
- assertBackgroundPermission(false, SYSTEM_PACKAGE1, SYSTEM_UID, CONNECTIVITY_INTERNAL);
- assertBackgroundPermission(true, SYSTEM_PACKAGE1, SYSTEM_UID, CHANGE_NETWORK_STATE);
- assertBackgroundPermission(true, SYSTEM_PACKAGE1, SYSTEM_UID, NETWORK_STACK);
+ assertBackgroundPermission(false, "system1", SYSTEM_UID);
+ assertBackgroundPermission(false, "system2", SYSTEM_UID, CONNECTIVITY_INTERNAL);
+ assertBackgroundPermission(true, "system3", SYSTEM_UID, CHANGE_NETWORK_STATE);
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID1));
- assertBackgroundPermission(false, MOCK_PACKAGE1, MOCK_UID1);
- assertBackgroundPermission(true, MOCK_PACKAGE1, MOCK_UID1,
- CONNECTIVITY_USE_RESTRICTED_NETWORKS);
+ assertBackgroundPermission(false, "mock1", MOCK_UID1);
+ assertBackgroundPermission(true, "mock2", MOCK_UID1, CONNECTIVITY_USE_RESTRICTED_NETWORKS);
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID2));
- assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID2);
- assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID2,
- CONNECTIVITY_INTERNAL);
- assertBackgroundPermission(true, MOCK_PACKAGE2, MOCK_UID2, NETWORK_STACK);
+ assertBackgroundPermission(false, "mock3", MOCK_UID2, CONNECTIVITY_INTERNAL);
+ assertBackgroundPermission(true, "mock4", MOCK_UID2, NETWORK_STACK);
}
private class NetdMonitor {
@@ -416,13 +378,14 @@
// MOCK_UID1: MOCK_PACKAGE1 only has network permission.
// SYSTEM_UID: SYSTEM_PACKAGE1 has system permission.
// SYSTEM_UID: SYSTEM_PACKAGE2 only has network permission.
- doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(eq(SYSTEM), anyString());
+ doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(eq(SYSTEM),
+ anyString(), anyInt());
doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(any(),
- eq(SYSTEM_PACKAGE1));
+ eq(SYSTEM_PACKAGE1), anyInt());
doReturn(NETWORK).when(mPermissionMonitor).highestPermissionForUid(any(),
- eq(SYSTEM_PACKAGE2));
+ eq(SYSTEM_PACKAGE2), anyInt());
doReturn(NETWORK).when(mPermissionMonitor).highestPermissionForUid(any(),
- eq(MOCK_PACKAGE1));
+ eq(MOCK_PACKAGE1), anyInt());
// Add SYSTEM_PACKAGE2, expect only have network permission.
mPermissionMonitor.onUserAdded(MOCK_USER1);
@@ -473,13 +436,15 @@
public void testUidFilteringDuringVpnConnectDisconnectAndUidUpdates() throws Exception {
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
Arrays.asList(new PackageInfo[] {
- buildPackageInfo(/* SYSTEM */ true, SYSTEM_UID1, MOCK_USER1),
- buildPackageInfo(/* SYSTEM */ false, MOCK_UID1, MOCK_USER1),
- buildPackageInfo(/* SYSTEM */ false, MOCK_UID2, MOCK_USER1),
- buildPackageInfo(/* SYSTEM */ false, VPN_UID, MOCK_USER1)
+ buildPackageInfo(PARTITION_SYSTEM, SYSTEM_UID1, MOCK_USER1),
+ buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1),
+ buildPackageInfo(PARTITION_SYSTEM, MOCK_UID2, MOCK_USER1),
+ buildPackageInfo(PARTITION_SYSTEM, VPN_UID, MOCK_USER1)
}));
when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE1), eq(GET_PERMISSIONS))).thenReturn(
- buildPackageInfo(false, MOCK_UID1, MOCK_USER1));
+ buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1));
+ addPermissions(SYSTEM_UID,
+ CHANGE_NETWORK_STATE, NETWORK_STACK, CONNECTIVITY_USE_RESTRICTED_NETWORKS);
mPermissionMonitor.startMonitoring();
// Every app on user 0 except MOCK_UID2 are under VPN.
final Set<UidRange> vpnRange1 = new HashSet<>(Arrays.asList(new UidRange[] {
@@ -524,11 +489,11 @@
public void testUidFilteringDuringPackageInstallAndUninstall() throws Exception {
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
Arrays.asList(new PackageInfo[] {
- buildPackageInfo(true, SYSTEM_UID1, MOCK_USER1),
- buildPackageInfo(false, VPN_UID, MOCK_USER1)
+ buildPackageInfo(PARTITION_SYSTEM, SYSTEM_UID1, MOCK_USER1),
+ buildPackageInfo(PARTITION_SYSTEM, VPN_UID, MOCK_USER1)
}));
when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE1), eq(GET_PERMISSIONS))).thenReturn(
- buildPackageInfo(false, MOCK_UID1, MOCK_USER1));
+ buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1));
mPermissionMonitor.startMonitoring();
final Set<UidRange> vpnRange = Collections.singleton(UidRange.createForUser(MOCK_USER1));
@@ -633,10 +598,10 @@
private PackageInfo setPackagePermissions(String packageName, int uid, String[] permissions)
throws Exception {
- PackageInfo packageInfo = packageInfoWithPermissions(
- REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_SYSTEM);
+ final PackageInfo packageInfo = buildPackageInfo(PARTITION_SYSTEM, uid, MOCK_USER1);
when(mPackageManager.getPackageInfo(eq(packageName), anyInt())).thenReturn(packageInfo);
when(mPackageManager.getPackagesForUid(eq(uid))).thenReturn(new String[]{packageName});
+ addPermissions(uid, permissions);
return packageInfo;
}
@@ -663,14 +628,13 @@
public void testPackageInstallSharedUid() throws Exception {
final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService);
- PackageInfo packageInfo1 = addPackage(MOCK_PACKAGE1, MOCK_UID1,
- new String[] {INTERNET, UPDATE_DEVICE_STATS});
+ addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET, UPDATE_DEVICE_STATS});
mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET
| INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1});
// Install another package with the same uid and no permissions should not cause the UID to
// lose permissions.
- PackageInfo packageInfo2 = systemPackageInfoWithPermissions();
+ final PackageInfo packageInfo2 = buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1);
when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE2), anyInt())).thenReturn(packageInfo2);
when(mPackageManager.getPackagesForUid(MOCK_UID1))
.thenReturn(new String[]{MOCK_PACKAGE1, MOCK_PACKAGE2});
@@ -701,6 +665,7 @@
| INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1});
when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{});
+ removeAllPermissions(MOCK_UID1);
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1);
mNetdServiceMonitor.expectPermission(INetd.PERMISSION_UNINSTALLED, new int[]{MOCK_UID1});
@@ -728,10 +693,12 @@
| INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1});
// Mock another package with the same uid but different permissions.
- PackageInfo packageInfo2 = systemPackageInfoWithPermissions(INTERNET);
+ final PackageInfo packageInfo2 = buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1);
when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE2), anyInt())).thenReturn(packageInfo2);
when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{
MOCK_PACKAGE2});
+ removeAllPermissions(MOCK_UID1);
+ addPermissions(MOCK_UID1, INTERNET);
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1);
mNetdServiceMonitor.expectPermission(INetd.PERMISSION_INTERNET, new int[]{MOCK_UID1});
@@ -743,9 +710,6 @@
// necessary permission.
final Context realContext = InstrumentationRegistry.getContext();
final PermissionMonitor monitor = new PermissionMonitor(realContext, mNetdService);
- final PackageManager manager = realContext.getPackageManager();
- final PackageInfo systemInfo = manager.getPackageInfo(REAL_SYSTEM_PACKAGE_NAME,
- GET_PERMISSIONS | MATCH_ANY_USER);
- assertTrue(monitor.hasPermission(systemInfo, CONNECTIVITY_USE_RESTRICTED_NETWORKS));
+ assertTrue(monitor.hasPermission(CONNECTIVITY_USE_RESTRICTED_NETWORKS, SYSTEM_UID));
}
}