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Merge "Save uid netd network permissions"

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This commit is contained in:
Paul Hu
2021-11-29 03:27:33 +00:00
committed by Gerrit Code Review
parent 93d437ba0c b2d5b054d3
commit 6fafdc1548
3 changed files with 398 additions and 314 deletions
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331
service/src/com/android/server/connectivity/PermissionMonitor.java
View File

@@ -23,7 +23,6 @@ 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.ConnectivitySettingsManager.UIDS_ALLOWED_ON_RESTRICTED_NETWORKS;
import static android.net.INetd.PERMISSION_INTERNET;
import static android.net.INetd.PERMISSION_NETWORK;
@@ -60,9 +59,9 @@ import android.os.UserHandle;
import android.os.UserManager;
import android.provider.Settings;
import android.system.OsConstants;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.Log;
import android.util.SparseArray;
import android.util.SparseIntArray;
import com.android.internal.annotations.GuardedBy;
@@ -98,9 +97,9 @@ public class PermissionMonitor {
@GuardedBy("this")
private final Set<UserHandle> mUsers = new HashSet<>();
// Keys are appIds. Values are true for SYSTEM permission and false for NETWORK permission.
// Keys are uids. Values are netd network permissions.
@GuardedBy("this")
private final SparseIntArray mApps = new SparseIntArray();
private final SparseIntArray mUidToNetworkPerm = new SparseIntArray();
// Keys are active non-bypassable and fully-routed VPN's interface name, Values are uid ranges
// for apps under the VPN
@@ -121,6 +120,11 @@ public class PermissionMonitor {
@GuardedBy("this")
private final Set<Integer> mUidsAllowedOnRestrictedNetworks = new ArraySet<>();
@GuardedBy("this")
private final Map<UserHandle, PackageManager> mUsersPackageManager = new ArrayMap<>();
private static final int SYSTEM_APPID = SYSTEM_UID;
private static final int MAX_PERMISSION_UPDATE_LOGS = 40;
private final SharedLog mPermissionUpdateLogs = new SharedLog(MAX_PERMISSION_UPDATE_LOGS, TAG);
@@ -212,6 +216,83 @@ public class PermissionMonitor {
return targetPermission > currentPermission;
}
private List<PackageInfo> getInstalledPackagesAsUser(final UserHandle user) {
return mPackageManager.getInstalledPackagesAsUser(GET_PERMISSIONS, user.getIdentifier());
}
private synchronized void updateAllApps(final List<PackageInfo> apps) {
for (PackageInfo app : apps) {
final int appId = app.applicationInfo != null
? UserHandle.getAppId(app.applicationInfo.uid) : INVALID_UID;
if (appId < 0) {
continue;
}
mAllApps.add(appId);
}
}
// Return the network permission for the passed list of apps. Note that this depends on the
// current settings of the device (See isUidAllowedOnRestrictedNetworks).
private SparseIntArray makeUidsNetworkPerm(final List<PackageInfo> apps) {
final SparseIntArray uidsPerm = new SparseIntArray();
for (PackageInfo app : apps) {
final int uid = app.applicationInfo != null ? app.applicationInfo.uid : INVALID_UID;
if (uid < 0) {
continue;
}
final int permission = getPackageNetdNetworkPermission(app);
if (isHigherNetworkPermission(permission, uidsPerm.get(uid, PERMISSION_NONE))) {
uidsPerm.put(uid, permission);
}
}
return uidsPerm;
}
private static SparseIntArray makeAppIdsTrafficPerm(final List<PackageInfo> apps) {
final SparseIntArray appIdsPerm = new SparseIntArray();
for (PackageInfo app : apps) {
final int appId = app.applicationInfo != null
? UserHandle.getAppId(app.applicationInfo.uid) : INVALID_UID;
if (appId < 0) {
continue;
}
final int otherNetdPerms = getNetdPermissionMask(app.requestedPermissions,
app.requestedPermissionsFlags);
appIdsPerm.put(appId, appIdsPerm.get(appId) | otherNetdPerms);
}
return appIdsPerm;
}
private synchronized void updateUidsNetworkPermission(final SparseIntArray uids) {
for (int i = 0; i < uids.size(); i++) {
mUidToNetworkPerm.put(uids.keyAt(i), uids.valueAt(i));
}
sendUidsNetworkPermission(uids, true /* add */);
}
private void updateAppIdsTrafficPermission(final SparseIntArray appIds,
final SparseIntArray extraAppIds) {
for (int i = 0; i < extraAppIds.size(); i++) {
final int appId = extraAppIds.keyAt(i);
final int permission = extraAppIds.valueAt(i);
appIds.put(appId, appIds.get(appId) | permission);
}
sendAppIdsTrafficPermission(appIds);
}
private SparseIntArray getSystemTrafficPerm() {
final SparseIntArray appIdsPerm = new SparseIntArray();
for (final int uid : mSystemConfigManager.getSystemPermissionUids(INTERNET)) {
final int appId = UserHandle.getAppId(uid);
appIdsPerm.put(appId, appIdsPerm.get(appId) | PERMISSION_INTERNET);
}
for (final int uid : mSystemConfigManager.getSystemPermissionUids(UPDATE_DEVICE_STATS)) {
final int appId = UserHandle.getAppId(uid);
appIdsPerm.put(appId, appIdsPerm.get(appId) | PERMISSION_UPDATE_DEVICE_STATS);
}
return appIdsPerm;
}
// Intended to be called only once at startup, after the system is ready. Installs a broadcast
// receiver to monitor ongoing UID changes, so this shouldn't/needn't be called again.
public synchronized void startMonitoring() {
@@ -252,65 +333,18 @@ public class PermissionMonitor {
// mUidsAllowedOnRestrictedNetworks.
updateUidsAllowedOnRestrictedNetworks(mDeps.getUidsAllowedOnRestrictedNetworks(mContext));
List<PackageInfo> apps = mPackageManager.getInstalledPackages(GET_PERMISSIONS
| MATCH_ANY_USER);
if (apps == null) {
loge("No apps");
return;
final List<UserHandle> usrs = mUserManager.getUserHandles(true /* excludeDying */);
// Update netd permissions for all users.
for (UserHandle user : usrs) {
onUserAdded(user);
}
final SparseIntArray netdPermsAppIds = new SparseIntArray();
for (PackageInfo app : apps) {
int uid = app.applicationInfo != null ? app.applicationInfo.uid : INVALID_UID;
if (uid < 0) {
continue;
}
final int appId = UserHandle.getAppId(uid);
mAllApps.add(appId);
final int permission = getPackageNetdNetworkPermission(app);
if (isHigherNetworkPermission(permission, mApps.get(appId, PERMISSION_NONE))) {
mApps.put(appId, permission);
}
//TODO: unify the management of the permissions into one codepath.
int otherNetdPerms = getNetdPermissionMask(app.requestedPermissions,
app.requestedPermissionsFlags);
netdPermsAppIds.put(appId, netdPermsAppIds.get(appId) | otherNetdPerms);
}
mUsers.addAll(mUserManager.getUserHandles(true /* excludeDying */));
final SparseArray<String> netdPermToSystemPerm = new SparseArray<>();
netdPermToSystemPerm.put(PERMISSION_INTERNET, INTERNET);
netdPermToSystemPerm.put(PERMISSION_UPDATE_DEVICE_STATS, UPDATE_DEVICE_STATS);
for (int i = 0; i < netdPermToSystemPerm.size(); i++) {
final int netdPermission = netdPermToSystemPerm.keyAt(i);
final String systemPermission = netdPermToSystemPerm.valueAt(i);
final int[] hasPermissionUids =
mSystemConfigManager.getSystemPermissionUids(systemPermission);
for (int j = 0; j < hasPermissionUids.length; j++) {
final int appId = UserHandle.getAppId(hasPermissionUids[j]);
netdPermsAppIds.put(appId, netdPermsAppIds.get(appId) | netdPermission);
}
}
log("Users: " + mUsers.size() + ", Apps: " + mApps.size());
update(mUsers, mApps, true);
sendPackagePermissionsToNetd(netdPermsAppIds);
log("Users: " + mUsers.size() + ", UidToNetworkPerm: " + mUidToNetworkPerm.size());
}
@VisibleForTesting
synchronized void updateUidsAllowedOnRestrictedNetworks(final Set<Integer> uids) {
mUidsAllowedOnRestrictedNetworks.clear();
// This is necessary for the app id to match in isUidAllowedOnRestrictedNetworks, and will
// grant the permission to all uids associated with the app ID. This is safe even if the app
// is only installed on some users because the uid cannot match some other app – this uid is
// in effect not installed and can't be run.
// TODO (b/192431153): Change appIds back to uids.
for (int uid : uids) {
mUidsAllowedOnRestrictedNetworks.add(UserHandle.getAppId(uid));
}
mUidsAllowedOnRestrictedNetworks.addAll(uids);
}
@VisibleForTesting
@@ -324,7 +358,8 @@ public class PermissionMonitor {
return (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);
|| (UserHandle.getAppId(appInfo.uid) == SYSTEM_APPID
&& mDeps.getDeviceFirstSdkInt() < VERSION_Q);
}
@VisibleForTesting
@@ -332,7 +367,7 @@ public class PermissionMonitor {
if (appInfo == null) return false;
// Check whether package's uid is in allowed on restricted networks uid list. If so, this
// uid can have netd system permission.
return mUidsAllowedOnRestrictedNetworks.contains(UserHandle.getAppId(appInfo.uid));
return mUidsAllowedOnRestrictedNetworks.contains(appInfo.uid);
}
@VisibleForTesting
@@ -365,33 +400,30 @@ public class PermissionMonitor {
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
// permissions at least.
return mApps.get(UserHandle.getAppId(uid), PERMISSION_NONE) != PERMISSION_NONE;
// networks. mUidToNetworkPerm contains the result of checks for hasNetworkPermission and
// hasRestrictedNetworkPermission, as well as the list of UIDs allowed on restricted
// networks. If uid is in the mUidToNetworkPerm list that means uid has one of permissions
// at least.
return mUidToNetworkPerm.get(uid, PERMISSION_NONE) != PERMISSION_NONE;
}
/**
* Returns whether the given uid has permission to use restricted networks.
*/
public synchronized boolean hasRestrictedNetworksPermission(int uid) {
return PERMISSION_SYSTEM == mApps.get(UserHandle.getAppId(uid), PERMISSION_NONE);
return PERMISSION_SYSTEM == mUidToNetworkPerm.get(uid, PERMISSION_NONE);
}
private void update(Set<UserHandle> users, SparseIntArray apps, boolean add) {
private void sendUidsNetworkPermission(SparseIntArray uids, boolean add) {
List<Integer> network = new ArrayList<>();
List<Integer> system = new ArrayList<>();
for (int i = 0; i < apps.size(); i++) {
final int permission = apps.valueAt(i);
for (int i = 0; i < uids.size(); i++) {
final int permission = uids.valueAt(i);
if (PERMISSION_NONE == permission) {
continue; // Normally NONE is not stored in this map, but just in case
}
List<Integer> list = (PERMISSION_SYSTEM == permission) ? system : network;
for (UserHandle user : users) {
if (user == null) continue;
list.add(user.getUid(apps.keyAt(i)));
}
list.add(uids.keyAt(i));
}
try {
if (add) {
@@ -415,7 +447,19 @@ public class PermissionMonitor {
*/
public synchronized void onUserAdded(@NonNull UserHandle user) {
mUsers.add(user);
update(Set.of(user), mApps, true);
final List<PackageInfo> apps = getInstalledPackagesAsUser(user);
// Save all apps
updateAllApps(apps);
// Uids network permissions
final SparseIntArray uids = makeUidsNetworkPerm(apps);
updateUidsNetworkPermission(uids);
// App ids traffic permission
final SparseIntArray appIds = makeAppIdsTrafficPerm(apps);
updateAppIdsTrafficPermission(appIds, getSystemTrafficPerm());
}
/**
@@ -427,44 +471,54 @@ public class PermissionMonitor {
*/
public synchronized void onUserRemoved(@NonNull UserHandle user) {
mUsers.remove(user);
update(Set.of(user), mApps, false);
final SparseIntArray removedUids = new SparseIntArray();
final SparseIntArray allUids = mUidToNetworkPerm.clone();
for (int i = 0; i < allUids.size(); i++) {
final int uid = allUids.keyAt(i);
if (user.equals(UserHandle.getUserHandleForUid(uid))) {
mUidToNetworkPerm.delete(uid);
removedUids.put(uid, allUids.valueAt(i));
}
}
sendUidsNetworkPermission(removedUids, false /* add */);
}
/**
* Compare the current network permission and the given package's permission to find out highest
* permission for the uid.
*
* @param uid The target uid
* @param currentPermission Current uid network permission
* @param name The package has same uid that need compare its permission to update uid network
* permission.
*/
@VisibleForTesting
protected int highestPermissionForUid(int currentPermission, String name) {
protected int highestPermissionForUid(int uid, int currentPermission, String name) {
// 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).
if (currentPermission == PERMISSION_SYSTEM) {
return currentPermission;
}
try {
final PackageInfo app = mPackageManager.getPackageInfo(name,
GET_PERMISSIONS | MATCH_ANY_USER);
final int permission = getPackageNetdNetworkPermission(app);
if (isHigherNetworkPermission(permission, currentPermission)) {
return permission;
}
} catch (NameNotFoundException e) {
// App not found.
loge("NameNotFoundException " + name);
final PackageInfo app = getPackageInfoAsUser(name, UserHandle.getUserHandleForUid(uid));
if (app == null) return currentPermission;
final int permission = getPackageNetdNetworkPermission(app);
if (isHigherNetworkPermission(permission, currentPermission)) {
return permission;
}
return currentPermission;
}
private int getPermissionForUid(final int uid) {
private int getTrafficPermissionForUid(final int uid) {
int permission = 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);
final PackageInfo app = getPackageInfoAsUser(name,
UserHandle.getUserHandleForUid(uid));
if (app != null && app.requestedPermissions != null) {
permission |= getNetdPermissionMask(app.requestedPermissions,
app.requestedPermissionsFlags);
@@ -524,24 +578,23 @@ public class PermissionMonitor {
*/
public synchronized void onPackageAdded(@NonNull final String packageName, final int uid) {
final int appId = UserHandle.getAppId(uid);
final int trafficPerm = getPermissionForUid(uid);
final int trafficPerm = getTrafficPermissionForUid(uid);
sendPackagePermissionsForAppId(appId, trafficPerm);
// 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 int currentPermission = mApps.get(appId, PERMISSION_NONE);
final int permission = highestPermissionForUid(currentPermission, packageName);
final int currentPermission = mUidToNetworkPerm.get(uid, PERMISSION_NONE);
final int permission = highestPermissionForUid(uid, currentPermission, packageName);
if (permission != currentPermission) {
mApps.put(appId, permission);
mUidToNetworkPerm.put(uid, permission);
SparseIntArray apps = new SparseIntArray();
apps.put(appId, permission);
update(mUsers, apps, true);
apps.put(uid, permission);
sendUidsNetworkPermission(apps, true /* add */);
}
// If the newly-installed package falls within some VPN's uid range, update Netd with it.
// This needs to happen after the mApps update above, since removeBypassingUids() in
// updateVpnUid() depends on mApps to check if the package can bypass VPN.
// This needs to happen after the mUidToNetworkPerm update above, since
// removeBypassingUids() in updateVpnUid() depends on mUidToNetworkPerm to check if the
// package can bypass VPN.
updateVpnUid(uid, true /* add */);
mAllApps.add(appId);
mPermissionUpdateLogs.log("Package add: name=" + packageName + ", uid=" + uid
@@ -557,7 +610,7 @@ public class PermissionMonitor {
for (String name : packages) {
// If multiple packages have the same UID, give the UID all permissions that
// any package in that UID has.
permission = highestPermissionForUid(permission, name);
permission = highestPermissionForUid(uid, permission, name);
if (permission == PERMISSION_SYSTEM) {
break;
}
@@ -576,19 +629,20 @@ public class PermissionMonitor {
*/
public synchronized void onPackageRemoved(@NonNull final String packageName, final int uid) {
final int appId = UserHandle.getAppId(uid);
final int trafficPerm = getPermissionForUid(uid);
final int trafficPerm = getTrafficPermissionForUid(uid);
sendPackagePermissionsForAppId(appId, trafficPerm);
// If the newly-removed package falls within some VPN's uid range, update Netd with it.
// This needs to happen before the mApps update below, since removeBypassingUids() in
// updateVpnUid() depends on mApps to check if the package can bypass VPN.
// This needs to happen before the mUidToNetworkPerm update below, since
// removeBypassingUids() in updateVpnUid() depends on mUidToNetworkPerm to check if the
// package can bypass VPN.
updateVpnUid(uid, false /* add */);
// If the package has been removed from all users on the device, clear it form mAllApps.
if (mPackageManager.getNameForUid(uid) == null) {
mAllApps.remove(appId);
}
final int currentPermission = mApps.get(appId, PERMISSION_NONE);
final int currentPermission = mUidToNetworkPerm.get(uid, PERMISSION_NONE);
final int permission = highestUidNetworkPermission(uid);
mPermissionUpdateLogs.log("Package remove: name=" + packageName + ", uid=" + uid
+ ", nPerm=(" + permissionToString(permission) + "/"
@@ -605,19 +659,19 @@ public class PermissionMonitor {
final SparseIntArray apps = new SparseIntArray();
if (permission != PERMISSION_NONE) {
mApps.put(appId, permission);
apps.put(appId, permission);
update(mUsers, apps, true);
mUidToNetworkPerm.put(uid, permission);
apps.put(uid, permission);
sendUidsNetworkPermission(apps, true);
} else {
mApps.delete(appId);
apps.put(appId, PERMISSION_NETWORK); // doesn't matter which permission we pick here
update(mUsers, apps, false);
mUidToNetworkPerm.delete(uid);
apps.put(uid, PERMISSION_NETWORK); // doesn't matter which permission we pick here
sendUidsNetworkPermission(apps, false);
}
}
private static int getNetdPermissionMask(String[] requestedPermissions,
int[] requestedPermissionsFlags) {
int permissions = 0;
int permissions = PERMISSION_NONE;
if (requestedPermissions == null || requestedPermissionsFlags == null) return permissions;
for (int i = 0; i < requestedPermissions.length; i++) {
if (requestedPermissions[i].equals(INTERNET)
@@ -632,12 +686,23 @@ public class PermissionMonitor {
return permissions;
}
private PackageInfo getPackageInfo(String packageName) {
private synchronized PackageManager getPackageManagerAsUser(UserHandle user) {
PackageManager pm = mUsersPackageManager.get(user);
if (pm == null) {
pm = mContext.createContextAsUser(user, 0 /* flag */).getPackageManager();
mUsersPackageManager.put(user, pm);
}
return pm;
}
private PackageInfo getPackageInfoAsUser(String packageName, UserHandle user) {
try {
PackageInfo app = mPackageManager.getPackageInfo(packageName, GET_PERMISSIONS
| MATCH_ANY_USER);
return app;
final PackageInfo info = getPackageManagerAsUser(user)
.getPackageInfo(packageName, GET_PERMISSIONS);
return info;
} catch (NameNotFoundException e) {
// App not found.
loge("NameNotFoundException " + packageName);
return null;
}
}
@@ -725,8 +790,7 @@ public class PermissionMonitor {
*/
private void removeBypassingUids(Set<Integer> uids, int vpnAppUid) {
uids.remove(vpnAppUid);
uids.removeIf(uid ->
mApps.get(UserHandle.getAppId(uid), PERMISSION_NONE) == PERMISSION_SYSTEM);
uids.removeIf(uid -> mUidToNetworkPerm.get(uid, PERMISSION_NONE) == PERMISSION_SYSTEM);
}
/**
@@ -773,7 +837,7 @@ public class PermissionMonitor {
void sendPackagePermissionsForAppId(int appId, int permissions) {
SparseIntArray netdPermissionsAppIds = new SparseIntArray();
netdPermissionsAppIds.put(appId, permissions);
sendPackagePermissionsToNetd(netdPermissionsAppIds);
sendAppIdsTrafficPermission(netdPermissionsAppIds);
}
/**
@@ -785,16 +849,16 @@ public class PermissionMonitor {
* @hide
*/
@VisibleForTesting
void sendPackagePermissionsToNetd(SparseIntArray netdPermissionsAppIds) {
void sendAppIdsTrafficPermission(SparseIntArray netdPermissionsAppIds) {
if (mNetd == null) {
Log.e(TAG, "Failed to get the netd service");
return;
}
ArrayList<Integer> allPermissionAppIds = new ArrayList<>();
ArrayList<Integer> internetPermissionAppIds = new ArrayList<>();
ArrayList<Integer> updateStatsPermissionAppIds = new ArrayList<>();
ArrayList<Integer> noPermissionAppIds = new ArrayList<>();
ArrayList<Integer> uninstalledAppIds = new ArrayList<>();
final ArrayList<Integer> allPermissionAppIds = new ArrayList<>();
final ArrayList<Integer> internetPermissionAppIds = new ArrayList<>();
final ArrayList<Integer> updateStatsPermissionAppIds = new ArrayList<>();
final ArrayList<Integer> noPermissionAppIds = new ArrayList<>();
final ArrayList<Integer> uninstalledAppIds = new ArrayList<>();
for (int i = 0; i < netdPermissionsAppIds.size(); i++) {
int permissions = netdPermissionsAppIds.valueAt(i);
switch(permissions) {
@@ -865,20 +929,19 @@ public class PermissionMonitor {
for (Integer uid : uidsToUpdate) {
final int permission = highestUidNetworkPermission(uid);
final int appId = UserHandle.getAppId(uid);
if (PERMISSION_NONE == permission) {
// Doesn't matter which permission is set here.
removedUids.put(appId, PERMISSION_NETWORK);
mApps.delete(appId);
removedUids.put(uid, PERMISSION_NETWORK);
mUidToNetworkPerm.delete(uid);
} else {
updatedUids.put(appId, permission);
mApps.put(appId, permission);
updatedUids.put(uid, permission);
mUidToNetworkPerm.put(uid, permission);
}
}
// Step3. Update or revoke permission for uids with netd.
update(mUsers, updatedUids, true /* add */);
update(mUsers, removedUids, false /* add */);
sendUidsNetworkPermission(updatedUids, true /* add */);
sendUidsNetworkPermission(removedUids, false /* add */);
mPermissionUpdateLogs.log("Setting change: update=" + updatedUids
+ ", remove=" + removedUids);
}
@@ -890,11 +953,13 @@ public class PermissionMonitor {
}
for (String app : pkgList) {
final PackageInfo info = getPackageInfo(app);
if (info == null || info.applicationInfo == null) continue;
for (UserHandle user : mUsers) {
final PackageInfo info = getPackageInfoAsUser(app, user);
if (info == null || info.applicationInfo == null) continue;
final int appId = info.applicationInfo.uid;
onPackageAdded(app, appId); // Use onPackageAdded to add package one by one.
final int uid = info.applicationInfo.uid;
onPackageAdded(app, uid); // Use onPackageAdded to add package one by one.
}
}
}

5
tests/unit/java/com/android/server/ConnectivityServiceTest.java
View File

@@ -38,7 +38,6 @@ import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_GRANTED;
import static android.content.pm.PackageManager.FEATURE_WIFI;
import static android.content.pm.PackageManager.FEATURE_WIFI_DIRECT;
import static android.content.pm.PackageManager.GET_PERMISSIONS;
import static android.content.pm.PackageManager.MATCH_ANY_USER;
import static android.content.pm.PackageManager.PERMISSION_DENIED;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static android.net.ConnectivityManager.ACTION_CAPTIVE_PORTAL_SIGN_IN;
@@ -2006,7 +2005,7 @@ public class ConnectivityServiceTest {
buildPackageInfo(/* SYSTEM */ false, APP1_UID),
buildPackageInfo(/* SYSTEM */ false, APP2_UID),
buildPackageInfo(/* SYSTEM */ false, VPN_UID)
})).when(mPackageManager).getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER));
})).when(mPackageManager).getInstalledPackagesAsUser(eq(GET_PERMISSIONS), anyInt());
// Create a fake always-on VPN package.
final int userId = UserHandle.getCallingUserId();
@@ -3334,7 +3333,7 @@ public class ConnectivityServiceTest {
private void grantUsingBackgroundNetworksPermissionForUid(
final int uid, final String packageName) throws Exception {
doReturn(buildPackageInfo(true /* hasSystemPermission */, uid)).when(mPackageManager)
.getPackageInfo(eq(packageName), eq(GET_PERMISSIONS | MATCH_ANY_USER));
.getPackageInfo(eq(packageName), eq(GET_PERMISSIONS));
mService.mPermissionMonitor.onPackageAdded(packageName, uid);
}

376
tests/unit/java/com/android/server/connectivity/PermissionMonitorTest.java
View File

@@ -60,6 +60,7 @@ import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.doCallRealMethod;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.reset;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
@@ -118,10 +119,13 @@ public class PermissionMonitorTest {
private static final int SYSTEM_APPID1 = 1100;
private static final int SYSTEM_APPID2 = 1108;
private static final int VPN_APPID = 10002;
private static final int MOCK_UID1 = MOCK_USER1.getUid(MOCK_APPID1);
private static final int MOCK_UID2 = MOCK_USER1.getUid(MOCK_APPID2);
private static final int SYSTEM_APP_UID1 = MOCK_USER1.getUid(SYSTEM_APPID1);
private static final int MOCK_UID11 = MOCK_USER1.getUid(MOCK_APPID1);
private static final int MOCK_UID12 = MOCK_USER1.getUid(MOCK_APPID2);
private static final int SYSTEM_APP_UID11 = MOCK_USER1.getUid(SYSTEM_APPID1);
private static final int VPN_UID = MOCK_USER1.getUid(VPN_APPID);
private static final int MOCK_UID21 = MOCK_USER2.getUid(MOCK_APPID1);
private static final int MOCK_UID22 = MOCK_USER2.getUid(MOCK_APPID2);
private static final int SYSTEM_APP_UID21 = MOCK_USER2.getUid(SYSTEM_APPID1);
private static final String REAL_SYSTEM_PACKAGE_NAME = "android";
private static final String MOCK_PACKAGE1 = "appName1";
private static final String MOCK_PACKAGE2 = "appName2";
@@ -161,9 +165,13 @@ public class PermissionMonitorTest {
doCallRealMethod().when(mContext).getSystemService(SystemConfigManager.class);
}
when(mSystemConfigManager.getSystemPermissionUids(anyString())).thenReturn(new int[0]);
final Context asUserCtx = mock(Context.class, AdditionalAnswers.delegatesTo(mContext));
doReturn(UserHandle.ALL).when(asUserCtx).getUser();
when(mContext.createContextAsUser(eq(UserHandle.ALL), anyInt())).thenReturn(asUserCtx);
doAnswer(invocation -> {
final Object[] args = invocation.getArguments();
final Context asUserCtx = mock(Context.class, AdditionalAnswers.delegatesTo(mContext));
final UserHandle user = (UserHandle) args[0];
doReturn(user).when(asUserCtx).getUser();
return asUserCtx;
}).when(mContext).createContextAsUser(any(), anyInt());
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of());
// Set DEVICE_INITIAL_SDK_INT to Q that SYSTEM_UID won't have restricted network permission
// by default.
@@ -172,7 +180,7 @@ public class PermissionMonitorTest {
mPermissionMonitor = new PermissionMonitor(mContext, mNetdService, mDeps);
mNetdMonitor = new NetdMonitor(mNetdService);
doReturn(List.of()).when(mPackageManager).getInstalledPackages(anyInt());
doReturn(List.of()).when(mPackageManager).getInstalledPackagesAsUser(anyInt(), anyInt());
}
private boolean hasRestrictedNetworkPermission(String partition, int targetSdkVersion,
@@ -330,26 +338,26 @@ public class PermissionMonitorTest {
@Test
public void testHasRestrictedNetworkPermission() {
assertFalse(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID1));
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID11));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID1, CHANGE_NETWORK_STATE));
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID11, CHANGE_NETWORK_STATE));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID1, NETWORK_STACK));
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID11, NETWORK_STACK));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID1, CONNECTIVITY_INTERNAL));
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID11, CONNECTIVITY_INTERNAL));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID1,
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID11,
CONNECTIVITY_USE_RESTRICTED_NETWORKS));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID1, CHANGE_WIFI_STATE));
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID11, CHANGE_WIFI_STATE));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID1,
PARTITION_SYSTEM, VERSION_P, MOCK_PACKAGE1, MOCK_UID11,
PERMISSION_MAINLINE_NETWORK_STACK));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_Q, MOCK_PACKAGE1, MOCK_UID1));
PARTITION_SYSTEM, VERSION_Q, MOCK_PACKAGE1, MOCK_UID11));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_SYSTEM, VERSION_Q, MOCK_PACKAGE1, MOCK_UID1, CONNECTIVITY_INTERNAL));
PARTITION_SYSTEM, VERSION_Q, MOCK_PACKAGE1, MOCK_UID11, CONNECTIVITY_INTERNAL));
}
@Test
@@ -376,43 +384,43 @@ public class PermissionMonitorTest {
@Test
public void testHasRestrictedNetworkPermissionVendorApp() {
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID1));
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID11));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID1, CHANGE_NETWORK_STATE));
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID11, CHANGE_NETWORK_STATE));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID1, NETWORK_STACK));
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID11, NETWORK_STACK));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID1, CONNECTIVITY_INTERNAL));
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID11, CONNECTIVITY_INTERNAL));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID1,
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID11,
CONNECTIVITY_USE_RESTRICTED_NETWORKS));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID1, CHANGE_WIFI_STATE));
PARTITION_VENDOR, VERSION_P, MOCK_PACKAGE1, MOCK_UID11, CHANGE_WIFI_STATE));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID1));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID11));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID1, CONNECTIVITY_INTERNAL));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID11, CONNECTIVITY_INTERNAL));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID1, CHANGE_NETWORK_STATE));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID11, CHANGE_NETWORK_STATE));
}
@Test
public void testHasRestrictedNetworkPermissionUidAllowedOnRestrictedNetworks() {
mPermissionMonitor.updateUidsAllowedOnRestrictedNetworks(Set.of(MOCK_UID1));
mPermissionMonitor.updateUidsAllowedOnRestrictedNetworks(Set.of(MOCK_UID11));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID1));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID11));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID1, CHANGE_NETWORK_STATE));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID11, CHANGE_NETWORK_STATE));
assertTrue(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID1, CONNECTIVITY_INTERNAL));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE1, MOCK_UID11, CONNECTIVITY_INTERNAL));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE2, MOCK_UID2));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE2, MOCK_UID12));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE2, MOCK_UID2, CHANGE_NETWORK_STATE));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE2, MOCK_UID12, CHANGE_NETWORK_STATE));
assertFalse(hasRestrictedNetworkPermission(
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE2, MOCK_UID2, CONNECTIVITY_INTERNAL));
PARTITION_VENDOR, VERSION_Q, MOCK_PACKAGE2, MOCK_UID12, CONNECTIVITY_INTERNAL));
}
@@ -429,27 +437,27 @@ public class PermissionMonitorTest {
doReturn(VERSION_P).when(mDeps).getDeviceFirstSdkInt();
assertTrue(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_P, SYSTEM_UID));
assertTrue(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_P, SYSTEM_UID));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_P, MOCK_UID1));
assertTrue(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_P, MOCK_UID1));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_P, MOCK_UID11));
assertTrue(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_P, MOCK_UID11));
assertTrue(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_Q, SYSTEM_UID));
assertTrue(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_Q, SYSTEM_UID));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_Q, MOCK_UID1));
assertFalse(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_Q, MOCK_UID1));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_Q, MOCK_UID11));
assertFalse(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_Q, MOCK_UID11));
doReturn(VERSION_Q).when(mDeps).getDeviceFirstSdkInt();
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_P, SYSTEM_UID));
assertTrue(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_P, SYSTEM_UID));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_P, MOCK_UID1));
assertTrue(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_P, MOCK_UID1));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_P, MOCK_UID11));
assertTrue(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_P, MOCK_UID11));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_Q, SYSTEM_UID));
assertFalse(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_Q, SYSTEM_UID));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_Q, MOCK_UID1));
assertFalse(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_Q, MOCK_UID1));
assertFalse(wouldBeCarryoverPackage(PARTITION_SYSTEM, VERSION_Q, MOCK_UID11));
assertFalse(wouldBeCarryoverPackage(PARTITION_VENDOR, VERSION_Q, MOCK_UID11));
assertFalse(wouldBeCarryoverPackage(PARTITION_OEM, VERSION_Q, SYSTEM_UID));
assertFalse(wouldBeCarryoverPackage(PARTITION_PRODUCT, VERSION_Q, SYSTEM_UID));
assertFalse(wouldBeCarryoverPackage(PARTITION_OEM, VERSION_Q, MOCK_UID1));
assertFalse(wouldBeCarryoverPackage(PARTITION_PRODUCT, VERSION_Q, MOCK_UID1));
assertFalse(wouldBeCarryoverPackage(PARTITION_OEM, VERSION_Q, MOCK_UID11));
assertFalse(wouldBeCarryoverPackage(PARTITION_PRODUCT, VERSION_Q, MOCK_UID11));
}
private boolean wouldBeUidAllowedOnRestrictedNetworks(int uid) {
@@ -461,20 +469,20 @@ public class PermissionMonitorTest {
@Test
public void testIsAppAllowedOnRestrictedNetworks() {
mPermissionMonitor.updateUidsAllowedOnRestrictedNetworks(Set.of());
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID1));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID2));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID11));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID12));
mPermissionMonitor.updateUidsAllowedOnRestrictedNetworks(Set.of(MOCK_UID1));
assertTrue(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID1));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID2));
mPermissionMonitor.updateUidsAllowedOnRestrictedNetworks(Set.of(MOCK_UID11));
assertTrue(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID11));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID12));
mPermissionMonitor.updateUidsAllowedOnRestrictedNetworks(Set.of(MOCK_UID2));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID1));
assertTrue(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID2));
mPermissionMonitor.updateUidsAllowedOnRestrictedNetworks(Set.of(MOCK_UID12));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID11));
assertTrue(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID12));
mPermissionMonitor.updateUidsAllowedOnRestrictedNetworks(Set.of(123));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID1));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID2));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID11));
assertFalse(wouldBeUidAllowedOnRestrictedNetworks(MOCK_UID12));
}
private void assertBackgroundPermission(boolean hasPermission, String name, int uid,
@@ -491,16 +499,16 @@ public class PermissionMonitorTest {
assertBackgroundPermission(true, SYSTEM_PACKAGE1, SYSTEM_UID, CHANGE_NETWORK_STATE);
assertBackgroundPermission(true, SYSTEM_PACKAGE1, SYSTEM_UID, NETWORK_STACK);
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID1));
assertBackgroundPermission(false, MOCK_PACKAGE1, MOCK_UID1);
assertBackgroundPermission(true, MOCK_PACKAGE1, MOCK_UID1,
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID11));
assertBackgroundPermission(false, MOCK_PACKAGE1, MOCK_UID11);
assertBackgroundPermission(true, MOCK_PACKAGE1, MOCK_UID11,
CONNECTIVITY_USE_RESTRICTED_NETWORKS);
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID2));
assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID2);
assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID2,
assertFalse(mPermissionMonitor.hasUseBackgroundNetworksPermission(MOCK_UID12));
assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID12);
assertBackgroundPermission(false, MOCK_PACKAGE2, MOCK_UID12,
CONNECTIVITY_INTERNAL);
assertBackgroundPermission(true, MOCK_PACKAGE2, MOCK_UID2, NETWORK_STACK);
assertBackgroundPermission(true, MOCK_PACKAGE2, MOCK_UID12, NETWORK_STACK);
}
private class NetdMonitor {
@@ -589,13 +597,13 @@ public class PermissionMonitorTest {
@Test
public void testUserAndPackageAddRemove() throws Exception {
// MOCK_UID1: MOCK_PACKAGE1 only has network permission.
// SYSTEM_APP_UID1: SYSTEM_PACKAGE1 has system permission.
// SYSTEM_APP_UID1: SYSTEM_PACKAGE2 only has network permission.
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1, CHANGE_NETWORK_STATE);
buildAndMockPackageInfoWithPermissions(SYSTEM_PACKAGE1, SYSTEM_APP_UID1,
// MOCK_UID11: MOCK_PACKAGE1 only has network permission.
// SYSTEM_APP_UID11: SYSTEM_PACKAGE1 has system permission.
// SYSTEM_APP_UID11: SYSTEM_PACKAGE2 only has network permission.
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11, CHANGE_NETWORK_STATE);
buildAndMockPackageInfoWithPermissions(SYSTEM_PACKAGE1, SYSTEM_APP_UID11,
CONNECTIVITY_USE_RESTRICTED_NETWORKS);
buildAndMockPackageInfoWithPermissions(SYSTEM_PACKAGE2, SYSTEM_APP_UID1,
buildAndMockPackageInfoWithPermissions(SYSTEM_PACKAGE2, SYSTEM_APP_UID11,
CHANGE_NETWORK_STATE);
// Add user MOCK_USER1.
@@ -610,16 +618,19 @@ public class PermissionMonitorTest {
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1},
SYSTEM_APPID1);
final List<PackageInfo> pkgs = List.of(buildPackageInfo(SYSTEM_PACKAGE1, SYSTEM_APP_UID21,
CONNECTIVITY_USE_RESTRICTED_NETWORKS),
buildPackageInfo(SYSTEM_PACKAGE2, SYSTEM_APP_UID21, CHANGE_NETWORK_STATE));
doReturn(pkgs).when(mPackageManager).getInstalledPackagesAsUser(eq(GET_PERMISSIONS),
eq(MOCK_USER_ID2));
// Add user MOCK_USER2.
mPermissionMonitor.onUserAdded(MOCK_USER2);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1, MOCK_USER2},
SYSTEM_APPID1);
// Remove SYSTEM_PACKAGE2, expect keep system permission.
when(mPackageManager.getPackagesForUid(SYSTEM_APP_UID1))
.thenReturn(new String[]{SYSTEM_PACKAGE1});
when(mPackageManager.getPackagesForUid(MOCK_USER2.getUid(SYSTEM_APPID1)))
.thenReturn(new String[]{SYSTEM_PACKAGE1});
doReturn(new String[]{SYSTEM_PACKAGE1}).when(mPackageManager)
.getPackagesForUid(intThat(uid -> UserHandle.getAppId(uid) == SYSTEM_APPID1));
removePackageForUsers(new UserHandle[]{MOCK_USER1, MOCK_USER2},
SYSTEM_PACKAGE2, SYSTEM_APPID1);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1, MOCK_USER2},
@@ -631,6 +642,8 @@ public class PermissionMonitorTest {
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1, MOCK_USER2},
SYSTEM_APPID1);
// Add MOCK_PACKAGE1
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID21, CHANGE_NETWORK_STATE);
addPackageForUsers(new UserHandle[]{MOCK_USER1, MOCK_USER2}, MOCK_PACKAGE1, MOCK_APPID1);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1, MOCK_USER2},
SYSTEM_APPID1);
@@ -638,9 +651,8 @@ public class PermissionMonitorTest {
MOCK_APPID1);
// Remove MOCK_PACKAGE1, expect no permission left for all user.
when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{});
when(mPackageManager.getPackagesForUid(MOCK_USER2.getUid(MOCK_APPID1)))
.thenReturn(new String[]{});
doReturn(new String[]{}).when(mPackageManager)
.getPackagesForUid(intThat(uid -> UserHandle.getAppId(uid) == MOCK_APPID1));
removePackageForUsers(new UserHandle[]{MOCK_USER1, MOCK_USER2}, MOCK_PACKAGE1, MOCK_APPID1);
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1, MOCK_USER2}, MOCK_APPID1);
@@ -674,68 +686,71 @@ public class PermissionMonitorTest {
@Test
public void testUidFilteringDuringVpnConnectDisconnectAndUidUpdates() throws Exception {
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
List.of(buildPackageInfo(SYSTEM_PACKAGE1, SYSTEM_APP_UID1, CHANGE_NETWORK_STATE,
CONNECTIVITY_USE_RESTRICTED_NETWORKS),
buildPackageInfo(MOCK_PACKAGE1, MOCK_UID1),
buildPackageInfo(MOCK_PACKAGE2, MOCK_UID2),
buildPackageInfo(SYSTEM_PACKAGE2, VPN_UID)));
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1);
doReturn(List.of(buildPackageInfo(SYSTEM_PACKAGE1, SYSTEM_APP_UID11, CHANGE_NETWORK_STATE,
CONNECTIVITY_USE_RESTRICTED_NETWORKS),
buildPackageInfo(MOCK_PACKAGE1, MOCK_UID11),
buildPackageInfo(MOCK_PACKAGE2, MOCK_UID12),
buildPackageInfo(SYSTEM_PACKAGE2, VPN_UID)))
.when(mPackageManager).getInstalledPackagesAsUser(eq(GET_PERMISSIONS), anyInt());
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11);
mPermissionMonitor.startMonitoring();
// Every app on user 0 except MOCK_UID2 are under VPN.
// Every app on user 0 except MOCK_UID12 are under VPN.
final Set<UidRange> vpnRange1 = Set.of(
new UidRange(0, MOCK_UID2 - 1),
new UidRange(MOCK_UID2 + 1, UserHandle.PER_USER_RANGE - 1));
final Set<UidRange> vpnRange2 = Set.of(new UidRange(MOCK_UID2, MOCK_UID2));
new UidRange(0, MOCK_UID12 - 1),
new UidRange(MOCK_UID12 + 1, UserHandle.PER_USER_RANGE - 1));
final Set<UidRange> vpnRange2 = Set.of(new UidRange(MOCK_UID12, MOCK_UID12));
// When VPN is connected, expect a rule to be set up for user app MOCK_UID1
// When VPN is connected, expect a rule to be set up for user app MOCK_UID11
mPermissionMonitor.onVpnUidRangesAdded("tun0", vpnRange1, VPN_UID);
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID1}));
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID11}));
reset(mNetdService);
// When MOCK_UID1 package is uninstalled and reinstalled, expect Netd to be updated
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1);
verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[]{MOCK_UID1}));
mPermissionMonitor.onPackageAdded(MOCK_PACKAGE1, MOCK_UID1);
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID1}));
// When MOCK_UID11 package is uninstalled and reinstalled, expect Netd to be updated
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID11);
verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[]{MOCK_UID11}));
mPermissionMonitor.onPackageAdded(MOCK_PACKAGE1, MOCK_UID11);
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID11}));
reset(mNetdService);
// During VPN uid update (vpnRange1 -> vpnRange2), ConnectivityService first deletes the
// old UID rules then adds the new ones. Expect netd to be updated
mPermissionMonitor.onVpnUidRangesRemoved("tun0", vpnRange1, VPN_UID);
verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID1}));
verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID11}));
mPermissionMonitor.onVpnUidRangesAdded("tun0", vpnRange2, VPN_UID);
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID2}));
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID12}));
reset(mNetdService);
// When VPN is disconnected, expect rules to be torn down
mPermissionMonitor.onVpnUidRangesRemoved("tun0", vpnRange2, VPN_UID);
verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID2}));
verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID12}));
assertNull(mPermissionMonitor.getVpnUidRanges("tun0"));
}
@Test
public void testUidFilteringDuringPackageInstallAndUninstall() throws Exception {
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
List.of(buildPackageInfo(SYSTEM_PACKAGE1, SYSTEM_APP_UID1, CHANGE_NETWORK_STATE,
NETWORK_STACK, CONNECTIVITY_USE_RESTRICTED_NETWORKS),
buildPackageInfo(SYSTEM_PACKAGE2, VPN_UID)));
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1);
doReturn(List.of(buildPackageInfo(SYSTEM_PACKAGE1, SYSTEM_APP_UID11, CHANGE_NETWORK_STATE,
NETWORK_STACK, CONNECTIVITY_USE_RESTRICTED_NETWORKS),
buildPackageInfo(SYSTEM_PACKAGE2, VPN_UID)))
.when(mPackageManager).getInstalledPackagesAsUser(eq(GET_PERMISSIONS), anyInt());
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11);
mPermissionMonitor.startMonitoring();
final Set<UidRange> vpnRange = Set.of(UidRange.createForUser(MOCK_USER1));
final Set<UidRange> vpnRange = Set.of(UidRange.createForUser(MOCK_USER1),
UidRange.createForUser(MOCK_USER2));
mPermissionMonitor.onVpnUidRangesAdded("tun0", vpnRange, VPN_UID);
// Newly-installed package should have uid rules added
mPermissionMonitor.onPackageAdded(MOCK_PACKAGE1, MOCK_UID1);
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID1}));
addPackageForUsers(new UserHandle[]{MOCK_USER1, MOCK_USER2}, MOCK_PACKAGE1, MOCK_APPID1);
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID11}));
verify(mNetdService).firewallAddUidInterfaceRules(eq("tun0"), aryEq(new int[]{MOCK_UID21}));
// Removed package should have its uid rules removed
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1);
verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[] {MOCK_UID1}));
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID11);
verify(mNetdService).firewallRemoveUidInterfaceRules(aryEq(new int[]{MOCK_UID11}));
verify(mNetdService, never()).firewallRemoveUidInterfaceRules(aryEq(new int[]{MOCK_UID21}));
}
@@ -767,7 +782,7 @@ public class PermissionMonitorTest {
netdPermissionsAppIds.put(SYSTEM_APPID2, PERMISSION_UPDATE_DEVICE_STATS);
// Send the permission information to netd, expect permission updated.
mPermissionMonitor.sendPackagePermissionsToNetd(netdPermissionsAppIds);
mPermissionMonitor.sendAppIdsTrafficPermission(netdPermissionsAppIds);
mNetdMonitor.expectTrafficPerm(PERMISSION_INTERNET, MOCK_APPID1);
mNetdMonitor.expectTrafficPerm(PERMISSION_NONE, MOCK_APPID2);
@@ -790,69 +805,69 @@ public class PermissionMonitorTest {
@Test
public void testPackageInstall() throws Exception {
addPackage(MOCK_PACKAGE1, MOCK_UID1, INTERNET, UPDATE_DEVICE_STATS);
addPackage(MOCK_PACKAGE1, MOCK_UID11, INTERNET, UPDATE_DEVICE_STATS);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_APPID1);
addPackage(MOCK_PACKAGE2, MOCK_UID2, INTERNET);
addPackage(MOCK_PACKAGE2, MOCK_UID12, INTERNET);
mNetdMonitor.expectTrafficPerm(PERMISSION_INTERNET, MOCK_APPID2);
}
@Test
public void testPackageInstallSharedUid() throws Exception {
addPackage(MOCK_PACKAGE1, MOCK_UID1, INTERNET, UPDATE_DEVICE_STATS);
addPackage(MOCK_PACKAGE1, MOCK_UID11, INTERNET, UPDATE_DEVICE_STATS);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_APPID1);
// Install another package with the same uid and no permissions should not cause the app id
// to lose permissions.
addPackage(MOCK_PACKAGE2, MOCK_UID1);
addPackage(MOCK_PACKAGE2, MOCK_UID11);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_APPID1);
}
@Test
public void testPackageUninstallBasic() throws Exception {
addPackage(MOCK_PACKAGE1, MOCK_UID1, INTERNET, UPDATE_DEVICE_STATS);
addPackage(MOCK_PACKAGE1, MOCK_UID11, INTERNET, UPDATE_DEVICE_STATS);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_APPID1);
when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{});
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1);
when(mPackageManager.getPackagesForUid(MOCK_UID11)).thenReturn(new String[]{});
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID11);
mNetdMonitor.expectTrafficPerm(PERMISSION_UNINSTALLED, MOCK_APPID1);
}
@Test
public void testPackageRemoveThenAdd() throws Exception {
addPackage(MOCK_PACKAGE1, MOCK_UID1, INTERNET, UPDATE_DEVICE_STATS);
addPackage(MOCK_PACKAGE1, MOCK_UID11, INTERNET, UPDATE_DEVICE_STATS);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_APPID1);
when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{});
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1);
when(mPackageManager.getPackagesForUid(MOCK_UID11)).thenReturn(new String[]{});
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID11);
mNetdMonitor.expectTrafficPerm(PERMISSION_UNINSTALLED, MOCK_APPID1);
addPackage(MOCK_PACKAGE1, MOCK_UID1, INTERNET);
addPackage(MOCK_PACKAGE1, MOCK_UID11, INTERNET);
mNetdMonitor.expectTrafficPerm(PERMISSION_INTERNET, MOCK_APPID1);
}
@Test
public void testPackageUpdate() throws Exception {
addPackage(MOCK_PACKAGE1, MOCK_UID1);
addPackage(MOCK_PACKAGE1, MOCK_UID11);
mNetdMonitor.expectTrafficPerm(PERMISSION_NONE, MOCK_APPID1);
addPackage(MOCK_PACKAGE1, MOCK_UID1, INTERNET);
addPackage(MOCK_PACKAGE1, MOCK_UID11, INTERNET);
mNetdMonitor.expectTrafficPerm(PERMISSION_INTERNET, MOCK_APPID1);
}
@Test
public void testPackageUninstallWithMultiplePackages() throws Exception {
addPackage(MOCK_PACKAGE1, MOCK_UID1, INTERNET, UPDATE_DEVICE_STATS);
addPackage(MOCK_PACKAGE1, MOCK_UID11, INTERNET, UPDATE_DEVICE_STATS);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_APPID1);
// Install another package with the same uid but different permissions.
addPackage(MOCK_PACKAGE2, MOCK_UID1, INTERNET);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_UID1);
addPackage(MOCK_PACKAGE2, MOCK_UID11, INTERNET);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_UID11);
// Uninstall MOCK_PACKAGE1 and expect only INTERNET permission left.
when(mPackageManager.getPackagesForUid(eq(MOCK_UID1)))
when(mPackageManager.getPackagesForUid(eq(MOCK_UID11)))
.thenReturn(new String[]{MOCK_PACKAGE2});
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID1);
mPermissionMonitor.onPackageRemoved(MOCK_PACKAGE1, MOCK_UID11);
mNetdMonitor.expectTrafficPerm(PERMISSION_INTERNET, MOCK_APPID1);
}
@@ -871,9 +886,9 @@ public class PermissionMonitorTest {
@Test
public void testUpdateUidPermissionsFromSystemConfig() throws Exception {
when(mSystemConfigManager.getSystemPermissionUids(eq(INTERNET)))
.thenReturn(new int[]{ MOCK_UID1, MOCK_UID2 });
.thenReturn(new int[]{ MOCK_UID11, MOCK_UID12 });
when(mSystemConfigManager.getSystemPermissionUids(eq(UPDATE_DEVICE_STATS)))
.thenReturn(new int[]{ MOCK_UID2 });
.thenReturn(new int[]{ MOCK_UID12 });
mPermissionMonitor.startMonitoring();
mNetdMonitor.expectTrafficPerm(PERMISSION_INTERNET, MOCK_APPID1);
@@ -904,17 +919,17 @@ public class PermissionMonitorTest {
// Verify receiving PACKAGE_ADDED intent.
final Intent addedIntent = new Intent(Intent.ACTION_PACKAGE_ADDED,
Uri.fromParts("package", MOCK_PACKAGE1, null /* fragment */));
addedIntent.putExtra(Intent.EXTRA_UID, MOCK_UID1);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1, INTERNET,
addedIntent.putExtra(Intent.EXTRA_UID, MOCK_UID11);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11, INTERNET,
UPDATE_DEVICE_STATS);
receiver.onReceive(mContext, addedIntent);
mNetdMonitor.expectTrafficPerm(PERMISSION_TRAFFIC_ALL, MOCK_APPID1);
// Verify receiving PACKAGE_REMOVED intent.
when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{});
when(mPackageManager.getPackagesForUid(MOCK_UID11)).thenReturn(new String[]{});
final Intent removedIntent = new Intent(Intent.ACTION_PACKAGE_REMOVED,
Uri.fromParts("package", MOCK_PACKAGE1, null /* fragment */));
removedIntent.putExtra(Intent.EXTRA_UID, MOCK_UID1);
removedIntent.putExtra(Intent.EXTRA_UID, MOCK_UID11);
receiver.onReceive(mContext, removedIntent);
mNetdMonitor.expectTrafficPerm(PERMISSION_UNINSTALLED, MOCK_APPID1);
}
@@ -934,20 +949,20 @@ public class PermissionMonitorTest {
Settings.Global.getUriFor(UIDS_ALLOWED_ON_RESTRICTED_NETWORKS));
// Prepare PackageInfo for MOCK_PACKAGE1 and MOCK_PACKAGE2
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID2);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID12);
// MOCK_UID1 is listed in setting that allow to use restricted networks, MOCK_UID1
// MOCK_UID11 is listed in setting that allow to use restricted networks, MOCK_UID11
// should have SYSTEM permission.
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID1));
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID11));
contentObserver.onChange(true /* selfChange */);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1},
MOCK_APPID1);
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1}, MOCK_APPID2);
// MOCK_UID2 is listed in setting that allow to use restricted networks, MOCK_UID2
// should have SYSTEM permission but MOCK_UID1 should revoke permission.
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID2));
// MOCK_UID12 is listed in setting that allow to use restricted networks, MOCK_UID12
// should have SYSTEM permission but MOCK_UID11 should revoke permission.
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID12));
contentObserver.onChange(true /* selfChange */);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1},
MOCK_APPID2);
@@ -965,29 +980,29 @@ public class PermissionMonitorTest {
final ContentObserver contentObserver = expectRegisterContentObserver(
Settings.Global.getUriFor(UIDS_ALLOWED_ON_RESTRICTED_NETWORKS));
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1, CHANGE_NETWORK_STATE);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID1);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11, CHANGE_NETWORK_STATE);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID11);
// MOCK_PACKAGE1 have CHANGE_NETWORK_STATE, MOCK_UID1 should have NETWORK permission.
// MOCK_PACKAGE1 have CHANGE_NETWORK_STATE, MOCK_UID11 should have NETWORK permission.
addPackageForUsers(new UserHandle[]{MOCK_USER1}, MOCK_PACKAGE1, MOCK_APPID1);
mNetdMonitor.expectNetworkPerm(PERMISSION_NETWORK, new UserHandle[]{MOCK_USER1},
MOCK_APPID1);
// MOCK_UID1 is listed in setting that allow to use restricted networks, MOCK_UID1
// MOCK_UID11 is listed in setting that allow to use restricted networks, MOCK_UID11
// should upgrade to SYSTEM permission.
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID1));
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID11));
contentObserver.onChange(true /* selfChange */);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1},
MOCK_APPID1);
// No app lists in setting, MOCK_UID1 should downgrade to NETWORK permission.
// No app lists in setting, MOCK_UID11 should downgrade to NETWORK permission.
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of());
contentObserver.onChange(true /* selfChange */);
mNetdMonitor.expectNetworkPerm(PERMISSION_NETWORK, new UserHandle[]{MOCK_USER1},
MOCK_APPID1);
// MOCK_PACKAGE1 removed, should revoke permission from MOCK_UID1.
when(mPackageManager.getPackagesForUid(MOCK_UID1)).thenReturn(new String[]{MOCK_PACKAGE2});
// MOCK_PACKAGE1 removed, should revoke permission from MOCK_UID11.
when(mPackageManager.getPackagesForUid(MOCK_UID11)).thenReturn(new String[]{MOCK_PACKAGE2});
removePackageForUsers(new UserHandle[]{MOCK_USER1}, MOCK_PACKAGE1, MOCK_APPID1);
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1}, MOCK_APPID1);
}
@@ -998,33 +1013,39 @@ public class PermissionMonitorTest {
final ContentObserver contentObserver = expectRegisterContentObserver(
Settings.Global.getUriFor(UIDS_ALLOWED_ON_RESTRICTED_NETWORKS));
// Prepare PackageInfo for MOCK_PACKAGE1 and MOCK_PACKAGE2.
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID2);
// Prepare PackageInfo for MOCK_APPID1 and MOCK_APPID2 in MOCK_USER1.
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID12);
// MOCK_UID1 is listed in setting that allow to use restricted networks, MOCK_UID1
// should have SYSTEM permission and MOCK_UID2 has no permissions.
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID1));
// MOCK_UID11 is listed in setting that allow to use restricted networks, MOCK_UID11 should
// have SYSTEM permission and MOCK_UID12 has no permissions.
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID11));
contentObserver.onChange(true /* selfChange */);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1},
MOCK_APPID1);
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1}, MOCK_APPID2);
// Add user MOCK_USER2.
final List<PackageInfo> pkgs = List.of(buildPackageInfo(MOCK_PACKAGE1, MOCK_UID21));
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID22);
doReturn(pkgs).when(mPackageManager)
.getInstalledPackagesAsUser(eq(GET_PERMISSIONS), eq(MOCK_USER_ID2));
mPermissionMonitor.onUserAdded(MOCK_USER2);
// MOCK_APPID1 in both users should all have SYSTEM permission and MOCK_APPID2 has no
// permissions in either user.
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1, MOCK_USER2},
// MOCK_APPID1 in MOCK_USER1 should have SYSTEM permission but in MOCK_USER2 should have no
// permissions. And MOCK_APPID2 has no permissions in either users.
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1},
MOCK_APPID1);
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER2}, MOCK_APPID1);
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1, MOCK_USER2}, MOCK_APPID2);
// MOCK_UID2 is listed in setting that allow to use restricted networks, MOCK_APPID2
// in both users should have SYSTEM permission and MOCK_APPID1 has no permissions in either
// user.
when(mDeps.getUidsAllowedOnRestrictedNetworks(any())).thenReturn(Set.of(MOCK_UID2));
// MOCK_UID22 is listed in setting that allow to use restricted networks,
// MOCK_APPID2 in MOCK_USER2 should have SYSTEM permission but in MOCK_USER1 should have no
// permissions. And MOCK_APPID1 has no permissions in either users.
doReturn(Set.of(MOCK_UID22)).when(mDeps).getUidsAllowedOnRestrictedNetworks(any());
contentObserver.onChange(true /* selfChange */);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1, MOCK_USER2},
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER2},
MOCK_APPID2);
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1}, MOCK_APPID2);
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1, MOCK_USER2}, MOCK_APPID1);
// Remove user MOCK_USER1
@@ -1044,9 +1065,9 @@ public class PermissionMonitorTest {
public void testOnExternalApplicationsAvailable() throws Exception {
// Initial the permission state. MOCK_PACKAGE1 and MOCK_PACKAGE2 are installed on external
// and have different uids. There has no permission for both uids.
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
List.of(buildPackageInfo(MOCK_PACKAGE1, MOCK_UID1),
buildPackageInfo(MOCK_PACKAGE2, MOCK_UID2)));
doReturn(List.of(buildPackageInfo(MOCK_PACKAGE1, MOCK_UID11),
buildPackageInfo(MOCK_PACKAGE2, MOCK_UID12)))
.when(mPackageManager).getInstalledPackagesAsUser(eq(GET_PERMISSIONS), anyInt());
mPermissionMonitor.startMonitoring();
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1}, MOCK_APPID1, MOCK_APPID2);
mNetdMonitor.expectTrafficPerm(PERMISSION_NONE, MOCK_APPID1, MOCK_APPID2);
@@ -1057,9 +1078,9 @@ public class PermissionMonitorTest {
final Intent externalIntent = new Intent(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
externalIntent.putExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST,
new String[] { MOCK_PACKAGE1 , MOCK_PACKAGE2});
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1,
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11,
CONNECTIVITY_USE_RESTRICTED_NETWORKS, INTERNET);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID2, CHANGE_NETWORK_STATE,
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID12, CHANGE_NETWORK_STATE,
UPDATE_DEVICE_STATS);
receiver.onReceive(mContext, externalIntent);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1},
@@ -1079,9 +1100,9 @@ public class PermissionMonitorTest {
// Initial the permission state. MOCK_PACKAGE1 and MOCK_PACKAGE2 are installed on external
// and have different uids. There has no permission for both uids.
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1,
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11,
CONNECTIVITY_USE_RESTRICTED_NETWORKS, INTERNET);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID2, CHANGE_NETWORK_STATE,
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID12, CHANGE_NETWORK_STATE,
UPDATE_DEVICE_STATS);
// Verify receiving EXTERNAL_APPLICATIONS_AVAILABLE intent and update permission to netd.
@@ -1101,10 +1122,10 @@ public class PermissionMonitorTest {
public void testOnExternalApplicationsAvailableWithSharedUid()
throws Exception {
// Initial the permission state. MOCK_PACKAGE1 and MOCK_PACKAGE2 are installed on external
// storage and shared on MOCK_UID1. There has no permission for MOCK_UID1.
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
List.of(buildPackageInfo(MOCK_PACKAGE1, MOCK_UID1),
buildPackageInfo(MOCK_PACKAGE2, MOCK_UID1)));
// storage and shared on MOCK_UID11. There has no permission for MOCK_UID11.
doReturn(List.of(buildPackageInfo(MOCK_PACKAGE1, MOCK_UID11),
buildPackageInfo(MOCK_PACKAGE2, MOCK_UID11)))
.when(mPackageManager).getInstalledPackagesAsUser(eq(GET_PERMISSIONS), anyInt());
mPermissionMonitor.startMonitoring();
mNetdMonitor.expectNoNetworkPerm(new UserHandle[]{MOCK_USER1}, MOCK_APPID1);
mNetdMonitor.expectTrafficPerm(PERMISSION_NONE, MOCK_APPID1);
@@ -1114,8 +1135,8 @@ public class PermissionMonitorTest {
// Verify receiving EXTERNAL_APPLICATIONS_AVAILABLE intent and update permission to netd.
final Intent externalIntent = new Intent(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
externalIntent.putExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST, new String[] {MOCK_PACKAGE1});
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1, CHANGE_NETWORK_STATE);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID1, UPDATE_DEVICE_STATS);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11, CHANGE_NETWORK_STATE);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID11, UPDATE_DEVICE_STATS);
receiver.onReceive(mContext, externalIntent);
mNetdMonitor.expectNetworkPerm(PERMISSION_NETWORK, new UserHandle[]{MOCK_USER1},
MOCK_APPID1);
@@ -1126,12 +1147,11 @@ public class PermissionMonitorTest {
public void testOnExternalApplicationsAvailableWithSharedUid_DifferentStorage()
throws Exception {
// Initial the permission state. MOCK_PACKAGE1 is installed on external storage and
// MOCK_PACKAGE2 is installed on device. These two packages are shared on MOCK_UID1.
// MOCK_UID1 has NETWORK and INTERNET permissions.
when(mPackageManager.getInstalledPackages(eq(GET_PERMISSIONS | MATCH_ANY_USER))).thenReturn(
List.of(buildPackageInfo(MOCK_PACKAGE1, MOCK_UID1),
buildPackageInfo(MOCK_PACKAGE2, MOCK_UID1, CHANGE_NETWORK_STATE,
INTERNET)));
// MOCK_PACKAGE2 is installed on device. These two packages are shared on MOCK_UID11.
// MOCK_UID11 has NETWORK and INTERNET permissions.
doReturn(List.of(buildPackageInfo(MOCK_PACKAGE1, MOCK_UID11),
buildPackageInfo(MOCK_PACKAGE2, MOCK_UID11, CHANGE_NETWORK_STATE, INTERNET)))
.when(mPackageManager).getInstalledPackagesAsUser(eq(GET_PERMISSIONS), anyInt());
mPermissionMonitor.startMonitoring();
mNetdMonitor.expectNetworkPerm(PERMISSION_NETWORK, new UserHandle[]{MOCK_USER1},
MOCK_APPID1);
@@ -1142,9 +1162,9 @@ public class PermissionMonitorTest {
// Verify receiving EXTERNAL_APPLICATIONS_AVAILABLE intent and update permission to netd.
final Intent externalIntent = new Intent(Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE);
externalIntent.putExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST, new String[] {MOCK_PACKAGE1});
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID1,
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE1, MOCK_UID11,
CONNECTIVITY_USE_RESTRICTED_NETWORKS, UPDATE_DEVICE_STATS);
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID1, CHANGE_NETWORK_STATE,
buildAndMockPackageInfoWithPermissions(MOCK_PACKAGE2, MOCK_UID11, CHANGE_NETWORK_STATE,
INTERNET);
receiver.onReceive(mContext, externalIntent);
mNetdMonitor.expectNetworkPerm(PERMISSION_SYSTEM, new UserHandle[]{MOCK_USER1},