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Resolve UidRange dependency between NMS and CS module

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ConnectivityService is going to become a mainline module which
cannot access hidden APIs. Thus, replace the VPN uid range
controlling APIs from NMS to INetd directly.

Bug: 170598012
Test: atest FrameworksNetTests
Test: atest HostsideVpnTests
Test: manually test to connect to VPN and check the uid range
Change-Id: Ie6656ef36f54c2f14d5a2899e763a29b70a30f5d
This commit is contained in:
Chiachang Wang
2020-12-10 22:24:47 +08:00
parent 081753f277
commit 28afaff7c3
3 changed files with 117 additions and 98 deletions
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17
tests/net/java/com/android/server/ConnectivityServiceTest.java
View File

@@ -187,6 +187,7 @@ import android.net.RouteInfo;
import android.net.RouteInfoParcel;
import android.net.SocketKeepalive;
import android.net.UidRange;
import android.net.UidRangeParcel;
import android.net.Uri;
import android.net.VpnManager;
import android.net.metrics.IpConnectivityLog;
@@ -1053,7 +1054,7 @@ public class ConnectivityServiceTest {
public MockVpn(int userId) {
super(startHandlerThreadAndReturnLooper(), mServiceContext, mNetworkManagementService,
userId, mock(KeyStore.class));
mMockNetd, userId, mock(KeyStore.class));
mConfig = new VpnConfig();
}
@@ -1092,10 +1093,11 @@ public class ConnectivityServiceTest {
mMockNetworkAgent = new TestNetworkAgentWrapper(TRANSPORT_VPN, lp,
mNetworkCapabilities);
mMockNetworkAgent.waitForIdle(TIMEOUT_MS);
verify(mNetworkManagementService, times(1))
.addVpnUidRanges(eq(mMockVpn.getNetId()), eq(uids.toArray(new UidRange[0])));
verify(mNetworkManagementService, never())
.removeVpnUidRanges(eq(mMockVpn.getNetId()), any());
verify(mMockNetd, times(1)).networkAddUidRanges(eq(mMockVpn.getNetId()),
eq(toUidRangeStableParcels(uids)));
verify(mMockNetd, never())
.networkRemoveUidRanges(eq(mMockVpn.getNetId()), any());
mAgentRegistered = true;
mNetworkCapabilities.set(mMockNetworkAgent.getNetworkCapabilities());
mNetworkAgent = mMockNetworkAgent.getNetworkAgent();
@@ -1167,6 +1169,11 @@ public class ConnectivityServiceTest {
}
}
private UidRangeParcel[] toUidRangeStableParcels(final @NonNull Set<UidRange> ranges) {
return ranges.stream().map(
r -> new UidRangeParcel(r.start, r.stop)).toArray(UidRangeParcel[]::new);
}
private void mockVpn(int uid) {
synchronized (mService.mVpns) {
int userId = UserHandle.getUserId(uid);

176
tests/net/java/com/android/server/connectivity/VpnTest.java
View File

@@ -58,6 +58,7 @@ import android.content.pm.ServiceInfo;
import android.content.pm.UserInfo;
import android.content.res.Resources;
import android.net.ConnectivityManager;
import android.net.INetd;
import android.net.Ikev2VpnProfile;
import android.net.InetAddresses;
import android.net.IpPrefix;
@@ -70,6 +71,7 @@ import android.net.NetworkCapabilities;
import android.net.NetworkInfo.DetailedState;
import android.net.RouteInfo;
import android.net.UidRange;
import android.net.UidRangeParcel;
import android.net.VpnManager;
import android.net.VpnService;
import android.net.ipsec.ike.IkeSessionCallback;
@@ -172,11 +174,13 @@ public class VpnTest {
mPackages.put(PKGS[i], PKG_UIDS[i]);
}
}
private static final UidRange PRI_USER_RANGE = UidRange.createForUser(primaryUser.id);
@Mock(answer = Answers.RETURNS_DEEP_STUBS) private Context mContext;
@Mock private UserManager mUserManager;
@Mock private PackageManager mPackageManager;
@Mock private INetworkManagementService mNetService;
@Mock private INetd mNetd;
@Mock private AppOpsManager mAppOps;
@Mock private NotificationManager mNotificationManager;
@Mock private Vpn.SystemServices mSystemServices;
@@ -256,8 +260,7 @@ public class VpnTest {
null, null);
assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] {
UidRange.createForUser(primaryUser.id),
UidRange.createForUser(restrictedProfileA.id)
PRI_USER_RANGE, UidRange.createForUser(restrictedProfileA.id)
})), ranges);
}
@@ -269,9 +272,7 @@ public class VpnTest {
final Set<UidRange> ranges = vpn.createUserAndRestrictedProfilesRanges(primaryUser.id,
null, null);
assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] {
UidRange.createForUser(primaryUser.id)
})), ranges);
assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] { PRI_USER_RANGE })), ranges);
}
@Test
@@ -282,15 +283,13 @@ public class VpnTest {
final Set<UidRange> ranges = new ArraySet<>();
vpn.addUserToRanges(ranges, primaryUser.id, null, null);
assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] {
UidRange.createForUser(primaryUser.id)
})), ranges);
assertEquals(new ArraySet<>(Arrays.asList(new UidRange[] { PRI_USER_RANGE })), ranges);
}
@Test
public void testUidAllowAndDenylist() throws Exception {
final Vpn vpn = createVpn(primaryUser.id);
final UidRange user = UidRange.createForUser(primaryUser.id);
final UidRange user = PRI_USER_RANGE;
final String[] packages = {PKGS[0], PKGS[1], PKGS[2]};
// Allowed list
@@ -339,62 +338,67 @@ public class VpnTest {
@Test
public void testLockdownChangingPackage() throws Exception {
final Vpn vpn = createVpn(primaryUser.id);
final UidRange user = UidRange.createForUser(primaryUser.id);
final UidRange user = PRI_USER_RANGE;
// Default state.
assertUnblocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[1], user.start + PKG_UIDS[2], user.start + PKG_UIDS[3]);
assertUnblocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[1],
user.start + PKG_UIDS[2], user.start + PKG_UIDS[3]);
// Set always-on without lockdown.
assertTrue(vpn.setAlwaysOnPackage(PKGS[1], false, null, mKeyStore));
assertUnblocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[1], user.start + PKG_UIDS[2], user.start + PKG_UIDS[3]);
assertUnblocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[1],
user.start + PKG_UIDS[2], user.start + PKG_UIDS[3]);
// Set always-on with lockdown.
assertTrue(vpn.setAlwaysOnPackage(PKGS[1], true, null, mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(user.start, user.start + PKG_UIDS[1] - 1),
new UidRange(user.start + PKG_UIDS[1] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start, user.start + PKG_UIDS[1] - 1),
new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.stop)
}));
assertBlocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[2], user.start + PKG_UIDS[3]);
assertBlocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[2],
user.start + PKG_UIDS[3]);
assertUnblocked(vpn, user.start + PKG_UIDS[1]);
// Switch to another app.
assertTrue(vpn.setAlwaysOnPackage(PKGS[3], true, null, mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(new UidRange[] {
new UidRange(user.start, user.start + PKG_UIDS[1] - 1),
new UidRange(user.start + PKG_UIDS[1] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start, user.start + PKG_UIDS[1] - 1),
new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.stop)
}));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(user.start, user.start + PKG_UIDS[3] - 1),
new UidRange(user.start + PKG_UIDS[3] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start, user.start + PKG_UIDS[3] - 1),
new UidRangeParcel(user.start + PKG_UIDS[3] + 1, user.stop)
}));
assertBlocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[1], user.start + PKG_UIDS[2]);
assertBlocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[1],
user.start + PKG_UIDS[2]);
assertUnblocked(vpn, user.start + PKG_UIDS[3]);
}
@Test
public void testLockdownAllowlist() throws Exception {
final Vpn vpn = createVpn(primaryUser.id);
final UidRange user = UidRange.createForUser(primaryUser.id);
final UidRange user = PRI_USER_RANGE;
// Set always-on with lockdown and allow app PKGS[2] from lockdown.
assertTrue(vpn.setAlwaysOnPackage(
PKGS[1], true, Collections.singletonList(PKGS[2]), mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(user.start, user.start + PKG_UIDS[1] - 1),
new UidRange(user.start + PKG_UIDS[2] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start, user.start + PKG_UIDS[1] - 1),
new UidRangeParcel(user.start + PKG_UIDS[2] + 1, user.stop)
}));
assertBlocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[3]);
assertUnblocked(vpn, user.start + PKG_UIDS[1], user.start + PKG_UIDS[2]);
// Change allowed app list to PKGS[3].
assertTrue(vpn.setAlwaysOnPackage(
PKGS[1], true, Collections.singletonList(PKGS[3]), mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(new UidRange[] {
new UidRange(user.start + PKG_UIDS[2] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start + PKG_UIDS[2] + 1, user.stop)
}));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(user.start + PKG_UIDS[1] + 1, user.start + PKG_UIDS[3] - 1),
new UidRange(user.start + PKG_UIDS[3] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.start + PKG_UIDS[3] - 1),
new UidRangeParcel(user.start + PKG_UIDS[3] + 1, user.stop)
}));
assertBlocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[2]);
assertUnblocked(vpn, user.start + PKG_UIDS[1], user.start + PKG_UIDS[3]);
@@ -402,25 +406,25 @@ public class VpnTest {
// Change the VPN app.
assertTrue(vpn.setAlwaysOnPackage(
PKGS[0], true, Collections.singletonList(PKGS[3]), mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(new UidRange[] {
new UidRange(user.start, user.start + PKG_UIDS[1] - 1),
new UidRange(user.start + PKG_UIDS[1] + 1, user.start + PKG_UIDS[3] - 1)
verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start, user.start + PKG_UIDS[1] - 1),
new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.start + PKG_UIDS[3] - 1)
}));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(user.start, user.start + PKG_UIDS[0] - 1),
new UidRange(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[3] - 1)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start, user.start + PKG_UIDS[0] - 1),
new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[3] - 1)
}));
assertBlocked(vpn, user.start + PKG_UIDS[1], user.start + PKG_UIDS[2]);
assertUnblocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[3]);
// Remove the list of allowed packages.
assertTrue(vpn.setAlwaysOnPackage(PKGS[0], true, null, mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(new UidRange[] {
new UidRange(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[3] - 1),
new UidRange(user.start + PKG_UIDS[3] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[3] - 1),
new UidRangeParcel(user.start + PKG_UIDS[3] + 1, user.stop)
}));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(user.start + PKG_UIDS[0] + 1, user.stop),
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.stop),
}));
assertBlocked(vpn, user.start + PKG_UIDS[1], user.start + PKG_UIDS[2],
user.start + PKG_UIDS[3]);
@@ -429,12 +433,12 @@ public class VpnTest {
// Add the list of allowed packages.
assertTrue(vpn.setAlwaysOnPackage(
PKGS[0], true, Collections.singletonList(PKGS[1]), mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(new UidRange[] {
new UidRange(user.start + PKG_UIDS[0] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.stop)
}));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[1] - 1),
new UidRange(user.start + PKG_UIDS[1] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[1] - 1),
new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.stop)
}));
assertBlocked(vpn, user.start + PKG_UIDS[2], user.start + PKG_UIDS[3]);
assertUnblocked(vpn, user.start + PKG_UIDS[0], user.start + PKG_UIDS[1]);
@@ -447,13 +451,13 @@ public class VpnTest {
// allowed package should change from PGKS[1] to PKGS[2].
assertTrue(vpn.setAlwaysOnPackage(
PKGS[0], true, Arrays.asList("com.foo.app", PKGS[2], "com.bar.app"), mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(new UidRange[]{
new UidRange(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[1] - 1),
new UidRange(user.start + PKG_UIDS[1] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(new UidRangeParcel[]{
new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[1] - 1),
new UidRangeParcel(user.start + PKG_UIDS[1] + 1, user.stop)
}));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[]{
new UidRange(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[2] - 1),
new UidRange(user.start + PKG_UIDS[2] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[]{
new UidRangeParcel(user.start + PKG_UIDS[0] + 1, user.start + PKG_UIDS[2] - 1),
new UidRangeParcel(user.start + PKG_UIDS[2] + 1, user.stop)
}));
}
@@ -467,86 +471,86 @@ public class VpnTest {
restrictedProfileA.flags);
tempProfile.restrictedProfileParentId = primaryUser.id;
final UidRange user = UidRange.createForUser(primaryUser.id);
final UidRange user = PRI_USER_RANGE;
final UidRange profile = UidRange.createForUser(tempProfile.id);
// Set lockdown.
assertTrue(vpn.setAlwaysOnPackage(PKGS[3], true, null, mKeyStore));
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(user.start, user.start + PKG_UIDS[3] - 1),
new UidRange(user.start + PKG_UIDS[3] + 1, user.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(user.start, user.start + PKG_UIDS[3] - 1),
new UidRangeParcel(user.start + PKG_UIDS[3] + 1, user.stop)
}));
// Verify restricted user isn't affected at first.
assertUnblocked(vpn, profile.start + PKG_UIDS[0]);
// Add the restricted user.
setMockedUsers(primaryUser, tempProfile);
vpn.onUserAdded(tempProfile.id);
verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(new UidRange[] {
new UidRange(profile.start, profile.start + PKG_UIDS[3] - 1),
new UidRange(profile.start + PKG_UIDS[3] + 1, profile.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(new UidRangeParcel[] {
new UidRangeParcel(profile.start, profile.start + PKG_UIDS[3] - 1),
new UidRangeParcel(profile.start + PKG_UIDS[3] + 1, profile.stop)
}));
// Remove the restricted user.
tempProfile.partial = true;
vpn.onUserRemoved(tempProfile.id);
verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(new UidRange[] {
new UidRange(profile.start, profile.start + PKG_UIDS[3] - 1),
new UidRange(profile.start + PKG_UIDS[3] + 1, profile.stop)
verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(new UidRangeParcel[] {
new UidRangeParcel(profile.start, profile.start + PKG_UIDS[3] - 1),
new UidRangeParcel(profile.start + PKG_UIDS[3] + 1, profile.stop)
}));
}
@Test
public void testLockdownRuleRepeatability() throws Exception {
final Vpn vpn = createVpn(primaryUser.id);
final UidRangeParcel[] primaryUserRangeParcel = new UidRangeParcel[] {
new UidRangeParcel(PRI_USER_RANGE.start, PRI_USER_RANGE.stop)};
// Given legacy lockdown is already enabled,
vpn.setLockdown(true);
verify(mNetService, times(1)).setAllowOnlyVpnForUids(
eq(true), aryEq(new UidRange[] {UidRange.createForUser(primaryUser.id)}));
verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(primaryUserRangeParcel));
// Enabling legacy lockdown twice should do nothing.
vpn.setLockdown(true);
verify(mNetService, times(1)).setAllowOnlyVpnForUids(anyBoolean(), any(UidRange[].class));
verify(mNetd, times(1))
.networkRejectNonSecureVpn(anyBoolean(), any(UidRangeParcel[].class));
// And disabling should remove the rules exactly once.
vpn.setLockdown(false);
verify(mNetService, times(1)).setAllowOnlyVpnForUids(
eq(false), aryEq(new UidRange[] {UidRange.createForUser(primaryUser.id)}));
verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(primaryUserRangeParcel));
// Removing the lockdown again should have no effect.
vpn.setLockdown(false);
verify(mNetService, times(2)).setAllowOnlyVpnForUids(anyBoolean(), any(UidRange[].class));
verify(mNetd, times(2)).networkRejectNonSecureVpn(
anyBoolean(), any(UidRangeParcel[].class));
}
@Test
public void testLockdownRuleReversibility() throws Exception {
final Vpn vpn = createVpn(primaryUser.id);
final UidRange[] entireUser = {
UidRange.createForUser(primaryUser.id)
final UidRangeParcel[] entireUser = {
new UidRangeParcel(PRI_USER_RANGE.start, PRI_USER_RANGE.stop)
};
final UidRange[] exceptPkg0 = {
new UidRange(entireUser[0].start, entireUser[0].start + PKG_UIDS[0] - 1),
new UidRange(entireUser[0].start + PKG_UIDS[0] + 1, entireUser[0].stop)
final UidRangeParcel[] exceptPkg0 = {
new UidRangeParcel(entireUser[0].start, entireUser[0].start + PKG_UIDS[0] - 1),
new UidRangeParcel(entireUser[0].start + PKG_UIDS[0] + 1, entireUser[0].stop)
};
final InOrder order = inOrder(mNetService);
final InOrder order = inOrder(mNetd);
// Given lockdown is enabled with no package (legacy VPN),
vpn.setLockdown(true);
order.verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(entireUser));
order.verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(entireUser));
// When a new VPN package is set the rules should change to cover that package.
vpn.prepare(null, PKGS[0], VpnManager.TYPE_VPN_SERVICE);
order.verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(entireUser));
order.verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(exceptPkg0));
order.verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(entireUser));
order.verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(exceptPkg0));
// When that VPN package is unset, everything should be undone again in reverse.
vpn.prepare(null, VpnConfig.LEGACY_VPN, VpnManager.TYPE_VPN_SERVICE);
order.verify(mNetService).setAllowOnlyVpnForUids(eq(false), aryEq(exceptPkg0));
order.verify(mNetService).setAllowOnlyVpnForUids(eq(true), aryEq(entireUser));
order.verify(mNetd).networkRejectNonSecureVpn(eq(false), aryEq(exceptPkg0));
order.verify(mNetd).networkRejectNonSecureVpn(eq(true), aryEq(entireUser));
}
@Test
@@ -1186,7 +1190,7 @@ public class VpnTest {
.thenReturn(asUserContext);
final TestLooper testLooper = new TestLooper();
final Vpn vpn = new Vpn(testLooper.getLooper(), mContext, new TestDeps(), mNetService,
userId, mKeyStore, mSystemServices, mIkev2SessionCreator);
mNetd, userId, mKeyStore, mSystemServices, mIkev2SessionCreator);
verify(mConnectivityManager, times(1)).registerNetworkProvider(argThat(
provider -> provider.getName().contains("VpnNetworkProvider")
));