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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.internal.net;
import static com.android.testutils.ParcelUtils.assertParcelSane;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import android.net.IpSecAlgorithm;
import android.os.Build;
import androidx.test.filters.SmallTest;
import com.android.testutils.DevSdkIgnoreRule;
import com.android.testutils.DevSdkIgnoreRunner;
import org.junit.Test;
import org.junit.runner.RunWith;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/** Unit tests for {@link VpnProfile}. */
@SmallTest
@RunWith(DevSdkIgnoreRunner.class)
@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
public class VpnProfileTest {
private static final String DUMMY_PROFILE_KEY = "Test";
private static final int ENCODED_INDEX_AUTH_PARAMS_INLINE = 23;
private static final int ENCODED_INDEX_RESTRICTED_TO_TEST_NETWORKS = 24;
@Test
public void testDefaults() throws Exception {
final VpnProfile p = new VpnProfile(DUMMY_PROFILE_KEY);
assertEquals(DUMMY_PROFILE_KEY, p.key);
assertEquals("", p.name);
assertEquals(VpnProfile.TYPE_PPTP, p.type);
assertEquals("", p.server);
assertEquals("", p.username);
assertEquals("", p.password);
assertEquals("", p.dnsServers);
assertEquals("", p.searchDomains);
assertEquals("", p.routes);
assertTrue(p.mppe);
assertEquals("", p.l2tpSecret);
assertEquals("", p.ipsecIdentifier);
assertEquals("", p.ipsecSecret);
assertEquals("", p.ipsecUserCert);
assertEquals("", p.ipsecCaCert);
assertEquals("", p.ipsecServerCert);
assertEquals(null, p.proxy);
assertTrue(p.getAllowedAlgorithms() != null && p.getAllowedAlgorithms().isEmpty());
assertFalse(p.isBypassable);
assertFalse(p.isMetered);
assertEquals(1360, p.maxMtu);
assertFalse(p.areAuthParamsInline);
assertFalse(p.isRestrictedToTestNetworks);
}
private VpnProfile getSampleIkev2Profile(String key) {
final VpnProfile p = new VpnProfile(key, true /* isRestrictedToTestNetworks */);
p.name = "foo";
p.type = VpnProfile.TYPE_IKEV2_IPSEC_USER_PASS;
p.server = "bar";
p.username = "baz";
p.password = "qux";
p.dnsServers = "8.8.8.8";
p.searchDomains = "";
p.routes = "0.0.0.0/0";
p.mppe = false;
p.l2tpSecret = "";
p.ipsecIdentifier = "quux";
p.ipsecSecret = "quuz";
p.ipsecUserCert = "corge";
p.ipsecCaCert = "grault";
p.ipsecServerCert = "garply";
p.proxy = null;
p.setAllowedAlgorithms(
Arrays.asList(
IpSecAlgorithm.AUTH_CRYPT_AES_GCM,
IpSecAlgorithm.AUTH_CRYPT_CHACHA20_POLY1305,
IpSecAlgorithm.AUTH_HMAC_SHA512,
IpSecAlgorithm.CRYPT_AES_CBC));
p.isBypassable = true;
p.isMetered = true;
p.maxMtu = 1350;
p.areAuthParamsInline = true;
// Not saved, but also not compared.
p.saveLogin = true;
return p;
}
@Test
public void testEquals() {
assertEquals(
getSampleIkev2Profile(DUMMY_PROFILE_KEY), getSampleIkev2Profile(DUMMY_PROFILE_KEY));
final VpnProfile modified = getSampleIkev2Profile(DUMMY_PROFILE_KEY);
modified.maxMtu--;
assertNotEquals(getSampleIkev2Profile(DUMMY_PROFILE_KEY), modified);
}
@Test
public void testParcelUnparcel() {
assertParcelSane(getSampleIkev2Profile(DUMMY_PROFILE_KEY), 23);
}
@Test
public void testEncodeDecode() {
final VpnProfile profile = getSampleIkev2Profile(DUMMY_PROFILE_KEY);
final VpnProfile decoded = VpnProfile.decode(DUMMY_PROFILE_KEY, profile.encode());
assertEquals(profile, decoded);
}
@Test
public void testEncodeDecodeTooManyValues() {
final VpnProfile profile = getSampleIkev2Profile(DUMMY_PROFILE_KEY);
final byte[] tooManyValues =
(new String(profile.encode()) + VpnProfile.VALUE_DELIMITER + "invalid").getBytes();
assertNull(VpnProfile.decode(DUMMY_PROFILE_KEY, tooManyValues));
}
private String getEncodedDecodedIkev2ProfileMissingValues(int... missingIndices) {
// Sort to ensure when we remove, we can do it from greatest first.
Arrays.sort(missingIndices);
final String encoded = new String(getSampleIkev2Profile(DUMMY_PROFILE_KEY).encode());
final List<String> parts =
new ArrayList<>(Arrays.asList(encoded.split(VpnProfile.VALUE_DELIMITER)));
// Remove from back first to ensure indexing is consistent.
for (int i = missingIndices.length - 1; i >= 0; i--) {
parts.remove(missingIndices[i]);
}
return String.join(VpnProfile.VALUE_DELIMITER, parts.toArray(new String[0]));
}
@Test
public void testEncodeDecodeInvalidNumberOfValues() {
final String tooFewValues =
getEncodedDecodedIkev2ProfileMissingValues(
ENCODED_INDEX_AUTH_PARAMS_INLINE,
ENCODED_INDEX_RESTRICTED_TO_TEST_NETWORKS /* missingIndices */);
assertNull(VpnProfile.decode(DUMMY_PROFILE_KEY, tooFewValues.getBytes()));
}
@Test
public void testEncodeDecodeMissingIsRestrictedToTestNetworks() {
final String tooFewValues =
getEncodedDecodedIkev2ProfileMissingValues(
ENCODED_INDEX_RESTRICTED_TO_TEST_NETWORKS /* missingIndices */);
// Verify decoding without isRestrictedToTestNetworks defaults to false
final VpnProfile decoded = VpnProfile.decode(DUMMY_PROFILE_KEY, tooFewValues.getBytes());
assertFalse(decoded.isRestrictedToTestNetworks);
}
@Test
public void testEncodeDecodeLoginsNotSaved() {
final VpnProfile profile = getSampleIkev2Profile(DUMMY_PROFILE_KEY);
profile.saveLogin = false;
final VpnProfile decoded = VpnProfile.decode(DUMMY_PROFILE_KEY, profile.encode());
assertNotEquals(profile, decoded);
// Add the username/password back, everything else must be equal.
decoded.username = profile.username;
decoded.password = profile.password;
assertEquals(profile, decoded);
}
}
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