Files
android_packages_modules_Co…/tests/net/java/android/net/IpSecConfigTest.java
Nathan Harold 82c3470df9 Validate IpSecAlgorithm Length
Improve the Validation of IpSecAlgorithm by
explicitly checking the length in addition to
the truncation length (previously an oversight).
In addition, we now check the lengths during
un-parceling, which will catch someone maliciously
manually building a parcel and passing it, bypassing
the checks in the constructor.

Bug: 68780091
Test: runtest -x IpSecAlgorithmTest.java
Change-Id: I8172762617264d34f47d5144336464510f07a701
2017-12-04 15:12:14 -08:00

99 lines
3.8 KiB
Java

/*
* Copyright (C) 2017 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 android.net;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import android.os.Parcel;
import android.support.test.filters.SmallTest;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link IpSecConfig}. */
@SmallTest
@RunWith(JUnit4.class)
public class IpSecConfigTest {
@Test
public void testDefaults() throws Exception {
IpSecConfig c = new IpSecConfig();
assertEquals(IpSecTransform.MODE_TRANSPORT, c.getMode());
assertEquals("", c.getLocalAddress());
assertEquals("", c.getRemoteAddress());
assertNull(c.getNetwork());
assertEquals(IpSecTransform.ENCAP_NONE, c.getEncapType());
assertEquals(IpSecManager.INVALID_RESOURCE_ID, c.getEncapSocketResourceId());
assertEquals(0, c.getEncapRemotePort());
assertEquals(0, c.getNattKeepaliveInterval());
for (int direction :
new int[] {IpSecTransform.DIRECTION_OUT, IpSecTransform.DIRECTION_IN}) {
assertNull(c.getEncryption(direction));
assertNull(c.getAuthentication(direction));
assertEquals(IpSecManager.INVALID_RESOURCE_ID, c.getSpiResourceId(direction));
}
}
@Test
public void testParcelUnparcel() throws Exception {
assertParcelingIsLossless(new IpSecConfig());
IpSecConfig c = new IpSecConfig();
c.setMode(IpSecTransform.MODE_TUNNEL);
c.setLocalAddress("0.0.0.0");
c.setRemoteAddress("1.2.3.4");
c.setEncapType(android.system.OsConstants.UDP_ENCAP_ESPINUDP);
c.setEncapSocketResourceId(7);
c.setEncapRemotePort(22);
c.setNattKeepaliveInterval(42);
c.setEncryption(
IpSecTransform.DIRECTION_OUT,
new IpSecAlgorithm(
IpSecAlgorithm.CRYPT_AES_CBC,
new byte[] {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF}));
c.setAuthentication(
IpSecTransform.DIRECTION_OUT,
new IpSecAlgorithm(
IpSecAlgorithm.AUTH_HMAC_MD5,
new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF, 0}));
c.setSpiResourceId(IpSecTransform.DIRECTION_OUT, 1984);
c.setEncryption(
IpSecTransform.DIRECTION_IN,
new IpSecAlgorithm(
IpSecAlgorithm.CRYPT_AES_CBC,
new byte[] {2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF}));
c.setAuthentication(
IpSecTransform.DIRECTION_IN,
new IpSecAlgorithm(
IpSecAlgorithm.AUTH_HMAC_MD5,
new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF, 1}));
c.setSpiResourceId(IpSecTransform.DIRECTION_IN, 99);
assertParcelingIsLossless(c);
}
private void assertParcelingIsLossless(IpSecConfig ci) throws Exception {
Parcel p = Parcel.obtain();
ci.writeToParcel(p, 0);
p.setDataPosition(0);
IpSecConfig co = IpSecConfig.CREATOR.createFromParcel(p);
assertTrue(IpSecConfig.equals(co, ci));
}
}