Merge "Revert "Revert "Add CTS tests for exclude VPN routes APIs"""

This commit is contained in:
Taras Antoshchuk
2022-01-07 16:27:12 +00:00
committed by Gerrit Code Review
6 changed files with 254 additions and 60 deletions

View File

@@ -25,6 +25,9 @@ java_test_host {
"cts-tradefed",
"tradefed",
],
static_libs: [
"modules-utils-build-testing",
],
// Tag this module as a cts test artifact
test_suites: [
"cts",

View File

@@ -18,12 +18,8 @@ package {
default_applicable_licenses: ["Android-Apache-2.0"],
}
android_test_helper_app {
name: "CtsHostsideNetworkTestsApp",
defaults: [
"cts_support_defaults",
"framework-connectivity-test-defaults",
],
java_defaults {
name: "CtsHostsideNetworkTestsAppDefaults",
platform_apis: true,
static_libs: [
"CtsHostsideNetworkTestsAidl",
@@ -48,3 +44,28 @@ android_test_helper_app {
"sts",
],
}
android_test_helper_app {
name: "CtsHostsideNetworkTestsApp",
defaults: [
"cts_support_defaults",
"framework-connectivity-test-defaults",
"CtsHostsideNetworkTestsAppDefaults",
],
static_libs: [
"NetworkStackApiStableShims",
],
}
android_test_helper_app {
name: "CtsHostsideNetworkTestsAppNext",
defaults: [
"cts_support_defaults",
"framework-connectivity-test-defaults",
"CtsHostsideNetworkTestsAppDefaults",
"ConnectivityNextEnableDefaults",
],
static_libs: [
"NetworkStackApiCurrentShims",
],
}

View File

@@ -18,17 +18,26 @@ package com.android.cts.net.hostside;
import android.content.Intent;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.IpPrefix;
import android.net.Network;
import android.net.NetworkUtils;
import android.net.ProxyInfo;
import android.net.VpnService;
import android.os.ParcelFileDescriptor;
import android.text.TextUtils;
import android.util.Log;
import android.util.Pair;
import com.android.modules.utils.build.SdkLevel;
import com.android.networkstack.apishim.VpnServiceBuilderShimImpl;
import com.android.networkstack.apishim.common.UnsupportedApiLevelException;
import com.android.networkstack.apishim.common.VpnServiceBuilderShim;
import java.io.IOException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
public class MyVpnService extends VpnService {
@@ -67,39 +76,62 @@ public class MyVpnService extends VpnService {
(underlyingNetworks != null) ? underlyingNetworks.toArray(new Network[0]) : null);
}
private void start(String packageName, Intent intent) {
Builder builder = new Builder();
private String parseIpAndMaskListArgument(String packageName, Intent intent, String argName,
BiConsumer<InetAddress, Integer> consumer) {
final String addresses = intent.getStringExtra(packageName + "." + argName);
String addresses = intent.getStringExtra(packageName + ".addresses");
if (addresses != null) {
String[] addressArray = addresses.split(",");
for (int i = 0; i < addressArray.length; i++) {
String[] prefixAndMask = addressArray[i].split("/");
try {
InetAddress address = InetAddress.getByName(prefixAndMask[0]);
int prefixLength = Integer.parseInt(prefixAndMask[1]);
builder.addAddress(address, prefixLength);
} catch (UnknownHostException|NumberFormatException|
ArrayIndexOutOfBoundsException e) {
continue;
}
}
if (TextUtils.isEmpty(addresses)) {
return null;
}
String routes = intent.getStringExtra(packageName + ".routes");
if (routes != null) {
String[] routeArray = routes.split(",");
for (int i = 0; i < routeArray.length; i++) {
String[] prefixAndMask = routeArray[i].split("/");
final String[] addressesArray = addresses.split(",");
for (String address : addressesArray) {
final Pair<InetAddress, Integer> ipAndMask = NetworkUtils.parseIpAndMask(address);
consumer.accept(ipAndMask.first, ipAndMask.second);
}
return addresses;
}
private String parseIpPrefixListArgument(String packageName, Intent intent, String argName,
Consumer<IpPrefix> consumer) {
return parseIpAndMaskListArgument(packageName, intent, argName,
(inetAddress, prefixLength) -> consumer.accept(
new IpPrefix(inetAddress, prefixLength)));
}
private void start(String packageName, Intent intent) {
Builder builder = new Builder();
VpnServiceBuilderShim vpnServiceBuilderShim = VpnServiceBuilderShimImpl.newInstance();
final String addresses = parseIpAndMaskListArgument(packageName, intent, "addresses",
builder::addAddress);
String addedRoutes;
if (SdkLevel.isAtLeastT() && intent.getBooleanExtra(packageName + ".addRoutesByIpPrefix",
false)) {
addedRoutes = parseIpPrefixListArgument(packageName, intent, "routes", (prefix) -> {
try {
InetAddress address = InetAddress.getByName(prefixAndMask[0]);
int prefixLength = Integer.parseInt(prefixAndMask[1]);
builder.addRoute(address, prefixLength);
} catch (UnknownHostException|NumberFormatException|
ArrayIndexOutOfBoundsException e) {
continue;
vpnServiceBuilderShim.addRoute(builder, prefix);
} catch (UnsupportedApiLevelException e) {
throw new RuntimeException(e);
}
}
});
} else {
addedRoutes = parseIpAndMaskListArgument(packageName, intent, "routes",
builder::addRoute);
}
String excludedRoutes = null;
if (SdkLevel.isAtLeastT()) {
excludedRoutes = parseIpPrefixListArgument(packageName, intent, "excludedRoutes",
(prefix) -> {
try {
vpnServiceBuilderShim.excludeRoute(builder, prefix);
} catch (UnsupportedApiLevelException e) {
throw new RuntimeException(e);
}
});
}
String allowed = intent.getStringExtra(packageName + ".allowedapplications");
@@ -152,7 +184,8 @@ public class MyVpnService extends VpnService {
Log.i(TAG, "Establishing VPN,"
+ " addresses=" + addresses
+ " routes=" + routes
+ " addedRoutes=" + addedRoutes
+ " excludedRoutes=" + excludedRoutes
+ " allowedApplications=" + allowed
+ " disallowedApplications=" + disallowed);

View File

@@ -298,28 +298,54 @@ public class VpnTest {
mActivity.startService(intent);
}
private void establishVpn(String[] addresses, String[] routes, String allowedApplications,
String disallowedApplications, @Nullable ProxyInfo proxyInfo,
@Nullable ArrayList<Network> underlyingNetworks, boolean isAlwaysMetered)
private void establishVpn(String[] addresses, String[] routes, String[] excludedRoutes,
String allowedApplications, String disallowedApplications,
@Nullable ProxyInfo proxyInfo, @Nullable ArrayList<Network> underlyingNetworks,
boolean isAlwaysMetered, boolean addRoutesByIpPrefix)
throws Exception {
final Intent intent = new Intent(mActivity, MyVpnService.class)
.putExtra(mPackageName + ".cmd", MyVpnService.CMD_CONNECT)
.putExtra(mPackageName + ".addresses", TextUtils.join(",", addresses))
.putExtra(mPackageName + ".routes", TextUtils.join(",", routes))
.putExtra(mPackageName + ".excludedRoutes", TextUtils.join(",", excludedRoutes))
.putExtra(mPackageName + ".allowedapplications", allowedApplications)
.putExtra(mPackageName + ".disallowedapplications", disallowedApplications)
.putExtra(mPackageName + ".httpProxy", proxyInfo)
.putParcelableArrayListExtra(
mPackageName + ".underlyingNetworks", underlyingNetworks)
.putExtra(mPackageName + ".isAlwaysMetered", isAlwaysMetered);
.putExtra(mPackageName + ".isAlwaysMetered", isAlwaysMetered)
.putExtra(mPackageName + ".addRoutesByIpPrefix", addRoutesByIpPrefix);
mActivity.startService(intent);
}
// TODO: Consider replacing arguments with a Builder.
private void startVpn(
String[] addresses, String[] routes, String allowedApplications,
String disallowedApplications, @Nullable ProxyInfo proxyInfo,
@Nullable ArrayList<Network> underlyingNetworks, boolean isAlwaysMetered) throws Exception {
String[] addresses, String[] routes, String allowedApplications,
String disallowedApplications, @Nullable ProxyInfo proxyInfo,
@Nullable ArrayList<Network> underlyingNetworks, boolean isAlwaysMetered)
throws Exception {
startVpn(addresses, routes, new String[0] /* excludedRoutes */, allowedApplications,
disallowedApplications, proxyInfo, underlyingNetworks, isAlwaysMetered);
}
private void startVpn(
String[] addresses, String[] routes, String[] excludedRoutes,
String allowedApplications, String disallowedApplications,
@Nullable ProxyInfo proxyInfo,
@Nullable ArrayList<Network> underlyingNetworks, boolean isAlwaysMetered)
throws Exception {
startVpn(addresses, routes, new String[0] /* excludedRoutes */, allowedApplications,
disallowedApplications, proxyInfo, underlyingNetworks, isAlwaysMetered,
false /* addRoutesByIpPrefix */);
}
private void startVpn(
String[] addresses, String[] routes, String[] excludedRoutes,
String allowedApplications, String disallowedApplications,
@Nullable ProxyInfo proxyInfo,
@Nullable ArrayList<Network> underlyingNetworks, boolean isAlwaysMetered,
boolean addRoutesByIpPrefix)
throws Exception {
prepareVpn();
// Register a callback so we will be notified when our VPN comes up.
@@ -340,8 +366,8 @@ public class VpnTest {
mCM.registerNetworkCallback(request, mCallback); // Unregistered in tearDown.
// Start the service and wait up for TIMEOUT_MS ms for the VPN to come up.
establishVpn(addresses, routes, allowedApplications, disallowedApplications, proxyInfo,
underlyingNetworks, isAlwaysMetered);
establishVpn(addresses, routes, excludedRoutes, allowedApplications, disallowedApplications,
proxyInfo, underlyingNetworks, isAlwaysMetered, addRoutesByIpPrefix);
synchronized (mLock) {
if (mNetwork == null) {
Log.i(TAG, "bf mLock");
@@ -561,6 +587,12 @@ public class VpnTest {
}
private void checkUdpEcho(String to, String expectedFrom) throws IOException {
checkUdpEcho(to, expectedFrom, expectedFrom != null);
}
private void checkUdpEcho(String to, String expectedFrom,
boolean expectConnectionOwnerIsVisible)
throws IOException {
DatagramSocket s;
InetAddress address = InetAddress.getByName(to);
if (address instanceof Inet6Address) { // http://b/18094870
@@ -584,7 +616,7 @@ public class VpnTest {
try {
if (expectedFrom != null) {
s.send(p);
checkConnectionOwnerUidUdp(s, true);
checkConnectionOwnerUidUdp(s, expectConnectionOwnerIsVisible);
s.receive(p);
MoreAsserts.assertEquals(data, p.getData());
} else {
@@ -593,7 +625,7 @@ public class VpnTest {
s.receive(p);
fail("Received unexpected reply");
} catch (IOException expected) {
checkConnectionOwnerUidUdp(s, false);
checkConnectionOwnerUidUdp(s, expectConnectionOwnerIsVisible);
}
}
} finally {
@@ -601,19 +633,38 @@ public class VpnTest {
}
}
private void checkTrafficOnVpn(String destination) throws Exception {
final InetAddress address = InetAddress.getByName(destination);
if (address instanceof Inet6Address) {
checkUdpEcho(destination, "2001:db8:1:2::ffe");
checkTcpReflection(destination, "2001:db8:1:2::ffe");
checkPing(destination);
} else {
checkUdpEcho(destination, "192.0.2.2");
checkTcpReflection(destination, "192.0.2.2");
}
}
private void checkNoTrafficOnVpn(String destination) throws IOException {
checkUdpEcho(destination, null);
checkTcpReflection(destination, null);
}
private void checkTrafficOnVpn() throws Exception {
checkUdpEcho("192.0.2.251", "192.0.2.2");
checkUdpEcho("2001:db8:dead:beef::f00", "2001:db8:1:2::ffe");
checkPing("2001:db8:dead:beef::f00");
checkTcpReflection("192.0.2.252", "192.0.2.2");
checkTcpReflection("2001:db8:dead:beef::f00", "2001:db8:1:2::ffe");
checkTrafficOnVpn("192.0.2.251");
checkTrafficOnVpn("2001:db8:dead:beef::f00");
}
private void checkNoTrafficOnVpn() throws Exception {
checkUdpEcho("192.0.2.251", null);
checkUdpEcho("2001:db8:dead:beef::f00", null);
checkTcpReflection("192.0.2.252", null);
checkTcpReflection("2001:db8:dead:beef::f00", null);
checkNoTrafficOnVpn("192.0.2.251");
checkNoTrafficOnVpn("2001:db8:dead:beef::f00");
}
private void checkTrafficBypassesVpn(String destination) throws Exception {
checkUdpEcho(destination, null, true /* expectVpnOwnedConnection */);
checkTcpReflection(destination, null);
}
private FileDescriptor openSocketFd(String host, int port, int timeoutMs) throws Exception {
@@ -974,9 +1025,9 @@ public class VpnTest {
}
Log.i(TAG, "Append shell app to disallowedApps: " + disallowedApps);
startVpn(new String[] {"192.0.2.2/32", "2001:db8:1:2::ffe/128"},
new String[] {"192.0.2.0/24", "2001:db8::/32"},
"", disallowedApps, null, null /* underlyingNetworks */,
false /* isAlwaysMetered */);
new String[] {"192.0.2.0/24", "2001:db8::/32"},
"", disallowedApps, null, null /* underlyingNetworks */,
false /* isAlwaysMetered */);
assertSocketStillOpen(localFd, TEST_HOST);
assertSocketStillOpen(remoteFd, TEST_HOST);
@@ -988,6 +1039,74 @@ public class VpnTest {
assertFalse(nc.hasTransport(TRANSPORT_VPN));
}
@Test
public void testExcludedRoutes() throws Exception {
if (!supportedHardware()) return;
if (!SdkLevel.isAtLeastT()) return;
// Shell app must not be put in here or it would kill the ADB-over-network use case
String allowedApps = mRemoteSocketFactoryClient.getPackageName() + "," + mPackageName;
startVpn(new String[]{"192.0.2.2/32", "2001:db8:1:2::ffe/128"} /* addresses */,
new String[]{"0.0.0.0/0", "::/0"} /* routes */,
new String[]{"192.0.2.0/24", "2001:db8::/32"} /* excludedRoutes */,
allowedApps, "" /* disallowedApplications */, null /* proxyInfo */,
null /* underlyingNetworks */, false /* isAlwaysMetered */);
// Excluded routes should bypass VPN.
checkTrafficBypassesVpn("192.0.2.1");
checkTrafficBypassesVpn("2001:db8:dead:beef::f00");
// Other routes should go through VPN, since default routes are included.
checkTrafficOnVpn("198.51.100.1");
checkTrafficOnVpn("2002:db8::1");
}
@Test
public void testIncludedRoutes() throws Exception {
if (!supportedHardware()) return;
// Shell app must not be put in here or it would kill the ADB-over-network use case
String allowedApps = mRemoteSocketFactoryClient.getPackageName() + "," + mPackageName;
startVpn(new String[]{"192.0.2.2/32", "2001:db8:1:2::ffe/128"} /* addresses */,
new String[]{"192.0.2.0/24", "2001:db8::/32"} /* routes */,
allowedApps, "" /* disallowedApplications */, null /* proxyInfo */,
null /* underlyingNetworks */, false /* isAlwaysMetered */);
// Included routes should go through VPN.
checkTrafficOnVpn("192.0.2.1");
checkTrafficOnVpn("2001:db8:dead:beef::f00");
// Other routes should bypass VPN, since default routes are not included.
checkTrafficBypassesVpn("198.51.100.1");
checkTrafficBypassesVpn("2002:db8::1");
}
@Test
public void testInterleavedRoutes() throws Exception {
if (!supportedHardware()) return;
if (!SdkLevel.isAtLeastT()) return;
// Shell app must not be put in here or it would kill the ADB-over-network use case
String allowedApps = mRemoteSocketFactoryClient.getPackageName() + "," + mPackageName;
startVpn(new String[]{"192.0.2.2/32", "2001:db8:1:2::ffe/128"} /* addresses */,
new String[]{"0.0.0.0/0", "192.0.2.0/32", "::/0", "2001:db8::/128"} /* routes */,
new String[]{"192.0.2.0/24", "2001:db8::/32"} /* excludedRoutes */,
allowedApps, "" /* disallowedApplications */, null /* proxyInfo */,
null /* underlyingNetworks */, false /* isAlwaysMetered */,
true /* addRoutesByIpPrefix */);
// Excluded routes should bypass VPN.
checkTrafficBypassesVpn("192.0.2.1");
checkTrafficBypassesVpn("2001:db8:dead:beef::f00");
// Included routes inside excluded routes should go through VPN, since the longest common
// prefix precedes.
checkTrafficOnVpn("192.0.2.0");
checkTrafficOnVpn("2001:db8::");
// Other routes should go through VPN, since default routes are included.
checkTrafficOnVpn("198.51.100.1");
checkTrafficOnVpn("2002:db8::1");
}
@Test
public void testGetConnectionOwnerUidSecurity() throws Exception {
if (!supportedHardware()) return;

View File

@@ -20,6 +20,7 @@ import com.android.compatibility.common.tradefed.build.CompatibilityBuildHelper;
import com.android.ddmlib.Log;
import com.android.ddmlib.testrunner.RemoteAndroidTestRunner;
import com.android.ddmlib.testrunner.TestResult.TestStatus;
import com.android.modules.utils.build.testing.DeviceSdkLevel;
import com.android.tradefed.build.IBuildInfo;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.result.CollectingTestListener;
@@ -42,6 +43,7 @@ abstract class HostsideNetworkTestCase extends DeviceTestCase implements IAbiRec
protected static final String TAG = "HostsideNetworkTests";
protected static final String TEST_PKG = "com.android.cts.net.hostside";
protected static final String TEST_APK = "CtsHostsideNetworkTestsApp.apk";
protected static final String TEST_APK_NEXT = "CtsHostsideNetworkTestsAppNext.apk";
protected static final String TEST_APP2_PKG = "com.android.cts.net.hostside.app2";
protected static final String TEST_APP2_APK = "CtsHostsideNetworkTestsApp2.apk";
@@ -65,8 +67,12 @@ abstract class HostsideNetworkTestCase extends DeviceTestCase implements IAbiRec
assertNotNull(mAbi);
assertNotNull(mCtsBuild);
DeviceSdkLevel deviceSdkLevel = new DeviceSdkLevel(getDevice());
String testApk = deviceSdkLevel.isDeviceAtLeastT() ? TEST_APK_NEXT
: TEST_APK;
uninstallPackage(TEST_PKG, false);
installPackage(TEST_APK);
installPackage(testApk);
}
@Override

View File

@@ -104,4 +104,16 @@ public class HostsideVpnTests extends HostsideNetworkTestCase {
runDeviceTests(TEST_PKG, TEST_PKG + ".VpnTest",
"testDownloadWithDownloadManagerDisallowed");
}
public void testExcludedRoutes() throws Exception {
runDeviceTests(TEST_PKG, TEST_PKG + ".VpnTest", "testExcludedRoutes");
}
public void testIncludedRoutes() throws Exception {
runDeviceTests(TEST_PKG, TEST_PKG + ".VpnTest", "testIncludedRoutes");
}
public void testInterleavedRoutes() throws Exception {
runDeviceTests(TEST_PKG, TEST_PKG + ".VpnTest", "testInterleavedRoutes");
}
}