Merge "Revert "[RFPM03] Check permission by uid."" am: 0925015de5
Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1404654
Change-Id: I51b37f8e717123a2725ade859d5b9dcff19ef484
diff --git a/services/core/java/com/android/server/connectivity/PermissionMonitor.java b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
index f8774b1..a75a80a 100644
--- a/services/core/java/com/android/server/connectivity/PermissionMonitor.java
+++ b/services/core/java/com/android/server/connectivity/PermissionMonitor.java
@@ -21,23 +21,14 @@
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;
@@ -60,6 +51,7 @@
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;
@@ -73,6 +65,7 @@
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.
@@ -121,13 +114,6 @@
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) {
@@ -170,9 +156,8 @@
}
mAllApps.add(UserHandle.getAppId(uid));
- final boolean isNetwork = hasPermission(CHANGE_NETWORK_STATE, uid);
- final boolean hasRestrictedPermission =
- hasRestrictedNetworkPermission(app.applicationInfo);
+ boolean isNetwork = hasNetworkPermission(app);
+ boolean hasRestrictedPermission = hasRestrictedNetworkPermission(app);
if (isNetwork || hasRestrictedPermission) {
Boolean permission = mApps.get(uid);
@@ -184,7 +169,8 @@
}
//TODO: unify the management of the permissions into one codepath.
- final int otherNetdPerms = getNetdPermissionMask(uid);
+ int otherNetdPerms = getNetdPermissionMask(app.requestedPermissions,
+ app.requestedPermissionsFlags);
netdPermsUids.put(uid, netdPermsUids.get(uid) | otherNetdPerms);
}
@@ -204,8 +190,9 @@
// Get the uids of native services that have UPDATE_DEVICE_STATS or INTERNET permission.
if (perms != null) {
netdPermission |= perms.contains(UPDATE_DEVICE_STATS)
- ? PERMISSION_UPDATE_DEVICE_STATS : 0;
- netdPermission |= perms.contains(INTERNET) ? PERMISSION_INTERNET : 0;
+ ? INetd.PERMISSION_UPDATE_DEVICE_STATS : 0;
+ netdPermission |= perms.contains(INTERNET)
+ ? INetd.PERMISSION_INTERNET : 0;
}
netdPermsUids.put(uid, netdPermsUids.get(uid) | netdPermission);
}
@@ -220,33 +207,48 @@
}
@VisibleForTesting
- boolean hasPermission(@NonNull final String permission, final int uid) {
- return mDeps.uidPermission(permission, uid) == PackageManager.PERMISSION_GRANTED;
+ 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;
}
@VisibleForTesting
- boolean hasRestrictedNetworkPermission(@Nullable final ApplicationInfo appInfo) {
- if (appInfo == null) return false;
- // TODO : remove this check in the future(b/162295056). All apps should just
+ 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
// request the appropriate permission for their use case since android Q.
- 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;
+ 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;
+ }
}
- return hasPermission(PERMISSION_MAINLINE_NETWORK_STACK, appInfo.uid)
- || hasPermission(NETWORK_STACK, appInfo.uid)
- || hasPermission(CONNECTIVITY_USE_RESTRICTED_NETWORKS, appInfo.uid);
+ return hasPermission(app, PERMISSION_MAINLINE_NETWORK_STACK)
+ || hasPermission(app, NETWORK_STACK)
+ || hasPermission(app, CONNECTIVITY_USE_RESTRICTED_NETWORKS);
}
/** 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 CHANGE_NETWORK_STATE permission
- // and hasRestrictedNetworkPermission. If uid is in the mApps list that means uid has one of
+ // 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
// permissions at least.
return mApps.containsKey(uid);
}
@@ -271,11 +273,11 @@
}
try {
if (add) {
- mNetd.networkSetPermissionForUser(PERMISSION_NETWORK, convertToIntArray(network));
- mNetd.networkSetPermissionForUser(PERMISSION_SYSTEM, convertToIntArray(system));
+ mNetd.networkSetPermissionForUser(INetd.PERMISSION_NETWORK, toIntArray(network));
+ mNetd.networkSetPermissionForUser(INetd.PERMISSION_SYSTEM, toIntArray(system));
} else {
- mNetd.networkClearPermissionForUser(convertToIntArray(network));
- mNetd.networkClearPermissionForUser(convertToIntArray(system));
+ mNetd.networkClearPermissionForUser(toIntArray(network));
+ mNetd.networkClearPermissionForUser(toIntArray(system));
}
} catch (RemoteException e) {
loge("Exception when updating permissions: " + e);
@@ -321,15 +323,14 @@
}
@VisibleForTesting
- protected Boolean highestPermissionForUid(Boolean currentPermission, String name, int uid) {
+ protected Boolean highestPermissionForUid(Boolean currentPermission, String name) {
if (currentPermission == SYSTEM) {
return currentPermission;
}
try {
final PackageInfo app = mPackageManager.getPackageInfo(name, GET_PERMISSIONS);
- final boolean isNetwork = hasPermission(CHANGE_NETWORK_STATE, uid);
- final boolean hasRestrictedPermission =
- hasRestrictedNetworkPermission(app.applicationInfo);
+ final boolean isNetwork = hasNetworkPermission(app);
+ final boolean hasRestrictedPermission = hasRestrictedNetworkPermission(app);
if (isNetwork || hasRestrictedPermission) {
currentPermission = hasRestrictedPermission;
}
@@ -341,14 +342,23 @@
}
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) {
+ 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 {
// The last package of this uid is removed from device. Clean the package up.
- return PERMISSION_UNINSTALLED;
+ permission = INetd.PERMISSION_UNINSTALLED;
}
- return getNetdPermissionMask(uid);
+ return permission;
}
/**
@@ -365,7 +375,7 @@
// 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, uid);
+ final Boolean permission = highestPermissionForUid(mApps.get(uid), packageName);
if (permission != mApps.get(uid)) {
mApps.put(uid, permission);
@@ -421,7 +431,7 @@
String[] packages = mPackageManager.getPackagesForUid(uid);
if (packages != null && packages.length > 0) {
for (String name : packages) {
- permission = highestPermissionForUid(permission, name, uid);
+ permission = highestPermissionForUid(permission, name);
if (permission == SYSTEM) {
// An app with this UID still has the SYSTEM permission.
// Therefore, this UID must already have the SYSTEM permission.
@@ -457,13 +467,19 @@
sendPackagePermissionsForUid(uid, getPermissionForUid(uid));
}
- 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;
+ 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;
+ }
}
return permissions;
}
@@ -632,19 +648,19 @@
for (int i = 0; i < netdPermissionsAppIds.size(); i++) {
int permissions = netdPermissionsAppIds.valueAt(i);
switch(permissions) {
- case (PERMISSION_INTERNET | PERMISSION_UPDATE_DEVICE_STATS):
+ case (INetd.PERMISSION_INTERNET | INetd.PERMISSION_UPDATE_DEVICE_STATS):
allPermissionAppIds.add(netdPermissionsAppIds.keyAt(i));
break;
- case PERMISSION_INTERNET:
+ case INetd.PERMISSION_INTERNET:
internetPermissionAppIds.add(netdPermissionsAppIds.keyAt(i));
break;
- case PERMISSION_UPDATE_DEVICE_STATS:
+ case INetd.PERMISSION_UPDATE_DEVICE_STATS:
updateStatsPermissionAppIds.add(netdPermissionsAppIds.keyAt(i));
break;
- case PERMISSION_NONE:
+ case INetd.PERMISSION_NONE:
noPermissionAppIds.add(netdPermissionsAppIds.keyAt(i));
break;
- case PERMISSION_UNINSTALLED:
+ case INetd.PERMISSION_UNINSTALLED:
uninstalledAppIds.add(netdPermissionsAppIds.keyAt(i));
default:
Log.e(TAG, "unknown permission type: " + permissions + "for uid: "
@@ -655,24 +671,24 @@
// TODO: add a lock inside netd to protect IPC trafficSetNetPermForUids()
if (allPermissionAppIds.size() != 0) {
mNetd.trafficSetNetPermForUids(
- PERMISSION_INTERNET | PERMISSION_UPDATE_DEVICE_STATS,
- convertToIntArray(allPermissionAppIds));
+ INetd.PERMISSION_INTERNET | INetd.PERMISSION_UPDATE_DEVICE_STATS,
+ ArrayUtils.convertToIntArray(allPermissionAppIds));
}
if (internetPermissionAppIds.size() != 0) {
- mNetd.trafficSetNetPermForUids(PERMISSION_INTERNET,
- convertToIntArray(internetPermissionAppIds));
+ mNetd.trafficSetNetPermForUids(INetd.PERMISSION_INTERNET,
+ ArrayUtils.convertToIntArray(internetPermissionAppIds));
}
if (updateStatsPermissionAppIds.size() != 0) {
- mNetd.trafficSetNetPermForUids(PERMISSION_UPDATE_DEVICE_STATS,
- convertToIntArray(updateStatsPermissionAppIds));
+ mNetd.trafficSetNetPermForUids(INetd.PERMISSION_UPDATE_DEVICE_STATS,
+ ArrayUtils.convertToIntArray(updateStatsPermissionAppIds));
}
if (noPermissionAppIds.size() != 0) {
- mNetd.trafficSetNetPermForUids(PERMISSION_NONE,
- convertToIntArray(noPermissionAppIds));
+ mNetd.trafficSetNetPermForUids(INetd.PERMISSION_NONE,
+ ArrayUtils.convertToIntArray(noPermissionAppIds));
}
if (uninstalledAppIds.size() != 0) {
- mNetd.trafficSetNetPermForUids(PERMISSION_UNINSTALLED,
- convertToIntArray(uninstalledAppIds));
+ mNetd.trafficSetNetPermForUids(INetd.PERMISSION_UNINSTALLED,
+ ArrayUtils.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 6633c9d..fdc6084 100644
--- a/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
+++ b/tests/net/java/com/android/server/connectivity/PermissionMonitorTest.java
@@ -26,6 +26,8 @@
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;
@@ -95,6 +97,7 @@
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";
@@ -125,7 +128,6 @@
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));
@@ -138,22 +140,35 @@
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 = buildPackageInfo(partition, uid, MOCK_USER1);
+ final PackageInfo packageInfo =
+ packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED, permissions, partition);
packageInfo.applicationInfo.targetSdkVersion = targetSdkVersion;
- removeAllPermissions(uid);
- addPermissions(uid, permissions);
- return mPermissionMonitor.hasRestrictedNetworkPermission(packageInfo.applicationInfo);
+ packageInfo.applicationInfo.uid = uid;
+ return mPermissionMonitor.hasRestrictedNetworkPermission(packageInfo);
}
- private static PackageInfo packageInfoWithPartition(String partition) {
+ 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;
+ }
final PackageInfo packageInfo = new PackageInfo();
+ packageInfo.requestedPermissions = permissions;
packageInfo.applicationInfo = new ApplicationInfo();
+ packageInfo.requestedPermissionsFlags = requestedPermissionsFlags;
int privateFlags = 0;
switch (partition) {
case PARTITION_OEM:
@@ -170,65 +185,85 @@
return packageInfo;
}
- private static PackageInfo buildPackageInfo(String partition, int uid, int userId) {
- final PackageInfo pkgInfo = packageInfoWithPartition(partition);
+ 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[] {}, "");
+ }
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() {
- 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));
+ 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, 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(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_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));
+ 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));
}
@Test
public void testIsVendorApp() {
- PackageInfo app = packageInfoWithPartition(PARTITION_SYSTEM);
+ PackageInfo app = systemPackageInfoWithPermissions();
assertFalse(mPermissionMonitor.isVendorApp(app.applicationInfo));
- app = packageInfoWithPartition(PARTITION_OEM);
+ app = packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED,
+ new String[] {}, PARTITION_OEM);
assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo));
- app = packageInfoWithPartition(PARTITION_PRODUCT);
+ app = packageInfoWithPermissions(REQUESTED_PERMISSION_GRANTED,
+ new String[] {}, PARTITION_PRODUCT);
assertTrue(mPermissionMonitor.isVendorApp(app.applicationInfo));
- app = packageInfoWithPartition(PARTITION_VENDOR);
+ app = vendorPackageInfoWithPermissions();
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(
@@ -288,27 +323,30 @@
private void assertBackgroundPermission(boolean hasPermission, String name, int uid,
String... permissions) throws Exception {
when(mPackageManager.getPackageInfo(eq(name), anyInt()))
- .thenReturn(buildPackageInfo(PARTITION_SYSTEM, uid, MOCK_USER1));
- addPermissions(uid, permissions);
+ .thenReturn(packageInfoWithPermissions(
+ REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_SYSTEM));
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, "system1", SYSTEM_UID);
- assertBackgroundPermission(false, "system2", SYSTEM_UID, CONNECTIVITY_INTERNAL);
- assertBackgroundPermission(true, "system3", SYSTEM_UID, CHANGE_NETWORK_STATE);
+ 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);
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID1));
- assertBackgroundPermission(false, "mock1", MOCK_UID1);
- assertBackgroundPermission(true, "mock2", MOCK_UID1, CONNECTIVITY_USE_RESTRICTED_NETWORKS);
+ assertBackgroundPermission(false, MOCK_PACKAGE1, MOCK_UID1);
+ assertBackgroundPermission(true, MOCK_PACKAGE1, MOCK_UID1,
+ CONNECTIVITY_USE_RESTRICTED_NETWORKS);
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID2));
- assertBackgroundPermission(false, "mock3", MOCK_UID2, CONNECTIVITY_INTERNAL);
- assertBackgroundPermission(true, "mock4", MOCK_UID2, NETWORK_STACK);
+ assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID2);
+ assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID2,
+ CONNECTIVITY_INTERNAL);
+ assertBackgroundPermission(true, MOCK_PACKAGE2, MOCK_UID2, NETWORK_STACK);
}
private class NetdMonitor {
@@ -378,14 +416,13 @@
// 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(), anyInt());
+ doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(eq(SYSTEM), anyString());
doReturn(SYSTEM).when(mPermissionMonitor).highestPermissionForUid(any(),
- eq(SYSTEM_PACKAGE1), anyInt());
+ eq(SYSTEM_PACKAGE1));
doReturn(NETWORK).when(mPermissionMonitor).highestPermissionForUid(any(),
- eq(SYSTEM_PACKAGE2), anyInt());
+ eq(SYSTEM_PACKAGE2));
doReturn(NETWORK).when(mPermissionMonitor).highestPermissionForUid(any(),
- eq(MOCK_PACKAGE1), anyInt());
+ eq(MOCK_PACKAGE1));
// Add SYSTEM_PACKAGE2, expect only have network permission.
mPermissionMonitor.onUserAdded(MOCK_USER1);
@@ -436,15 +473,13 @@
public void testUidFilteringDuringVpnConnectDisconnectAndUidUpdates() throws Exception {
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
Arrays.asList(new PackageInfo[] {
- 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)
+ 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)
}));
when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE1), eq(GET_PERMISSIONS))).thenReturn(
- buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1));
- addPermissions(SYSTEM_UID,
- CHANGE_NETWORK_STATE, NETWORK_STACK, CONNECTIVITY_USE_RESTRICTED_NETWORKS);
+ buildPackageInfo(false, MOCK_UID1, MOCK_USER1));
mPermissionMonitor.startMonitoring();
// Every app on user 0 except MOCK_UID2 are under VPN.
final Set<UidRange> vpnRange1 = new HashSet<>(Arrays.asList(new UidRange[] {
@@ -489,11 +524,11 @@
public void testUidFilteringDuringPackageInstallAndUninstall() throws Exception {
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
Arrays.asList(new PackageInfo[] {
- buildPackageInfo(PARTITION_SYSTEM, SYSTEM_UID1, MOCK_USER1),
- buildPackageInfo(PARTITION_SYSTEM, VPN_UID, MOCK_USER1)
+ buildPackageInfo(true, SYSTEM_UID1, MOCK_USER1),
+ buildPackageInfo(false, VPN_UID, MOCK_USER1)
}));
when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE1), eq(GET_PERMISSIONS))).thenReturn(
- buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1));
+ buildPackageInfo(false, MOCK_UID1, MOCK_USER1));
mPermissionMonitor.startMonitoring();
final Set<UidRange> vpnRange = Collections.singleton(UidRange.createForUser(MOCK_USER1));
@@ -598,10 +633,10 @@
private PackageInfo setPackagePermissions(String packageName, int uid, String[] permissions)
throws Exception {
- final PackageInfo packageInfo = buildPackageInfo(PARTITION_SYSTEM, uid, MOCK_USER1);
+ PackageInfo packageInfo = packageInfoWithPermissions(
+ REQUESTED_PERMISSION_GRANTED, permissions, PARTITION_SYSTEM);
when(mPackageManager.getPackageInfo(eq(packageName), anyInt())).thenReturn(packageInfo);
when(mPackageManager.getPackagesForUid(eq(uid))).thenReturn(new String[]{packageName});
- addPermissions(uid, permissions);
return packageInfo;
}
@@ -628,13 +663,14 @@
public void testPackageInstallSharedUid() throws Exception {
final NetdServiceMonitor mNetdServiceMonitor = new NetdServiceMonitor(mNetdService);
- addPackage(MOCK_PACKAGE1, MOCK_UID1, new String[] {INTERNET, UPDATE_DEVICE_STATS});
+ PackageInfo packageInfo1 = 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.
- final PackageInfo packageInfo2 = buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1);
+ PackageInfo packageInfo2 = systemPackageInfoWithPermissions();
when(mPackageManager.getPackageInfo(eq(MOCK_PACKAGE2), anyInt())).thenReturn(packageInfo2);
when(mPackageManager.getPackagesForUid(MOCK_UID1))
.thenReturn(new String[]{MOCK_PACKAGE1, MOCK_PACKAGE2});
@@ -665,7 +701,6 @@
| 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});
@@ -693,12 +728,10 @@
| INetd.PERMISSION_UPDATE_DEVICE_STATS, new int[]{MOCK_UID1});
// Mock another package with the same uid but different permissions.
- final PackageInfo packageInfo2 = buildPackageInfo(PARTITION_SYSTEM, MOCK_UID1, MOCK_USER1);
+ PackageInfo packageInfo2 = systemPackageInfoWithPermissions(INTERNET);
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});
@@ -710,6 +743,9 @@
// necessary permission.
final Context realContext = InstrumentationRegistry.getContext();
final PermissionMonitor monitor = new PermissionMonitor(realContext, mNetdService);
- assertTrue(monitor.hasPermission(CONNECTIVITY_USE_RESTRICTED_NETWORKS, SYSTEM_UID));
+ 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));
}
}