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TrustManagerImplTest.java
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TrustManagerImplTest.java
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/*
* Copyright (C) 2011 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 org.conscrypt;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.security.KeyStore;
import java.security.Principal;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Arrays;
import java.util.List;
import javax.net.ssl.HandshakeCompletedListener;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLPeerUnverifiedException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSessionContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.X509TrustManager;
import org.conscrypt.java.security.TestKeyStore;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class TrustManagerImplTest {
/**
* Ensure that our non-standard behavior of learning to trust new
* intermediate CAs does not regress. http://b/3404902
*/
@Test
public void testLearnIntermediate() throws Exception {
TestUtils.assumeExtendedTrustManagerAvailable();
// chain3 should be server/intermediate/root
KeyStore.PrivateKeyEntry pke = TestKeyStore.getServer().getPrivateKey("RSA", "RSA");
X509Certificate[] chain3 = (X509Certificate[])pke.getCertificateChain();
X509Certificate root = chain3[2];
X509Certificate intermediate = chain3[1];
X509Certificate server = chain3[0];
X509Certificate[] chain2 = new X509Certificate[] { server, intermediate };
X509Certificate[] chain1 = new X509Certificate[] { server };
// Normal behavior
assertValid(chain3, trustManager(root));
assertValid(chain2, trustManager(root));
assertInvalid(chain1, trustManager(root));
assertValid(chain3, trustManager(intermediate));
assertValid(chain2, trustManager(intermediate));
assertValid(chain1, trustManager(intermediate));
assertValid(chain3, trustManager(server));
assertValid(chain2, trustManager(server));
assertValid(chain1, trustManager(server));
// non-standard behavior
X509TrustManager tm = trustManager(root);
// fail on short chain with only root trusted
assertInvalid(chain1, tm);
// succeed on longer chain, learn intermediate
assertValid(chain2, tm);
// now we can validate the short chain
assertValid(chain1, tm);
}
// We should ignore duplicate cruft in the certificate chain
// See https://code.google.com/p/android/issues/detail?id=52295 http://b/8313312
@Test
public void testDuplicateInChain() throws Exception {
TestUtils.assumeExtendedTrustManagerAvailable();
// chain3 should be server/intermediate/root
KeyStore.PrivateKeyEntry pke = TestKeyStore.getServer().getPrivateKey("RSA", "RSA");
X509Certificate[] chain3 = (X509Certificate[])pke.getCertificateChain();
X509Certificate root = chain3[2];
X509Certificate intermediate = chain3[1];
X509Certificate server = chain3[0];
X509Certificate[] chain4 = new X509Certificate[] { server, intermediate,
server, intermediate
};
assertValid(chain4, trustManager(root));
}
@Test
public void testGetFullChain() throws Exception {
TestUtils.assumeExtendedTrustManagerAvailable();
// build the trust manager
KeyStore.PrivateKeyEntry pke = TestKeyStore.getServer().getPrivateKey("RSA", "RSA");
X509Certificate[] chain3 = (X509Certificate[]) pke.getCertificateChain();
X509Certificate root = chain3[2];
X509TrustManager tm = trustManager(root);
// build the chains we'll use for testing
X509Certificate intermediate = chain3[1];
X509Certificate server = chain3[0];
X509Certificate[] chain2 = new X509Certificate[] { server, intermediate };
X509Certificate[] chain1 = new X509Certificate[] { server };
assertTrue(tm instanceof TrustManagerImpl);
TrustManagerImpl tmi = (TrustManagerImpl) tm;
List<X509Certificate> certs = tmi.checkServerTrusted(chain2, "RSA", new FakeSSLSession(
"purple.com"));
assertEquals(Arrays.asList(chain3), certs);
certs = tmi.checkServerTrusted(chain1, "RSA", new FakeSSLSession("purple.com"));
assertEquals(Arrays.asList(chain3), certs);
}
@Test
public void testHttpsEndpointIdentification() throws Exception {
TestUtils.assumeExtendedTrustManagerAvailable();
KeyStore.PrivateKeyEntry pke = TestKeyStore.getServerHostname().getPrivateKey("RSA", "RSA");
X509Certificate[] chain = (X509Certificate[]) pke.getCertificateChain();
X509Certificate root = chain[2];
TrustManagerImpl tmi = (TrustManagerImpl) trustManager(root);
String goodHostname = TestKeyStore.CERT_HOSTNAME;
String badHostname = "definitelywrong.nopenopenope";
try {
SSLParameters params = new SSLParameters();
// Without endpoint identification this should pass despite the mismatched hostname
params.setEndpointIdentificationAlgorithm(null);
List<X509Certificate> certs = tmi.getTrustedChainForServer(chain, "RSA",
new FakeSSLSocket(new FakeSSLSession(badHostname, chain), params));
assertEquals(Arrays.asList(chain), certs);
// Turn on endpoint identification
params.setEndpointIdentificationAlgorithm("HTTPS");
try { // this should fail
certs = tmi.getTrustedChainForServer(chain, "RSA",
new FakeSSLSocket(new FakeSSLSession(badHostname, chain), params));
assertEquals(Arrays.asList(chain), certs);
fail();
} catch (CertificateException expected) {
}
certs = tmi.getTrustedChainForServer(chain, "RSA",
new FakeSSLSocket(new FakeSSLSession(goodHostname, chain), params));
assertEquals(Arrays.asList(chain), certs);
} finally {
Conscrypt.setDefaultHostnameVerifier(null);
}
}
private X509TrustManager trustManager(X509Certificate ca) throws Exception {
KeyStore keyStore = TestKeyStore.createKeyStore();
keyStore.setCertificateEntry("alias", ca);
return new TrustManagerImpl(keyStore);
}
private void assertValid(X509Certificate[] chain, X509TrustManager tm) throws Exception {
if (tm instanceof TrustManagerImpl) {
TrustManagerImpl tmi = (TrustManagerImpl) tm;
tmi.checkServerTrusted(chain, "RSA");
}
tm.checkServerTrusted(chain, "RSA");
}
private void assertInvalid(X509Certificate[] chain, X509TrustManager tm) {
try {
tm.checkClientTrusted(chain, "RSA");
fail();
} catch (CertificateException expected) {
// Expected.
}
try {
tm.checkServerTrusted(chain, "RSA");
fail();
} catch (CertificateException expected) {
// Expected.
}
}
private static class FakeSSLSession implements SSLSession {
private final String hostname;
private final X509Certificate[] peerCerts;
FakeSSLSession(String hostname) {
this.hostname = hostname;
peerCerts = null;
}
FakeSSLSession(String hostname, X509Certificate[] peerCerts) {
this.hostname = hostname;
this.peerCerts = peerCerts.clone();
}
@Override
public int getApplicationBufferSize() {
throw new UnsupportedOperationException();
}
@Override
public String getCipherSuite() {
throw new UnsupportedOperationException();
}
@Override
public long getCreationTime() {
throw new UnsupportedOperationException();
}
@Override
public byte[] getId() {
throw new UnsupportedOperationException();
}
@Override
public long getLastAccessedTime() {
throw new UnsupportedOperationException();
}
@Override
public Certificate[] getLocalCertificates() {
throw new UnsupportedOperationException();
}
@Override
public Principal getLocalPrincipal() {
throw new UnsupportedOperationException();
}
@Override
public int getPacketBufferSize() {
throw new UnsupportedOperationException();
}
@Override
public javax.security.cert.X509Certificate[] getPeerCertificateChain()
throws SSLPeerUnverifiedException {
throw new UnsupportedOperationException();
}
@Override
public Certificate[] getPeerCertificates() throws SSLPeerUnverifiedException {
if (peerCerts == null) {
throw new SSLPeerUnverifiedException("Null peerCerts");
} else {
return peerCerts.clone();
}
}
@Override
public String getPeerHost() {
return hostname;
}
@Override
public int getPeerPort() {
throw new UnsupportedOperationException();
}
@Override
public Principal getPeerPrincipal() throws SSLPeerUnverifiedException {
throw new UnsupportedOperationException();
}
@Override
public String getProtocol() {
throw new UnsupportedOperationException();
}
@Override
public SSLSessionContext getSessionContext() {
throw new UnsupportedOperationException();
}
@Override
public Object getValue(String name) {
throw new UnsupportedOperationException();
}
@Override
public String[] getValueNames() {
throw new UnsupportedOperationException();
}
@Override
public void invalidate() {
throw new UnsupportedOperationException();
}
@Override
public boolean isValid() {
throw new UnsupportedOperationException();
}
@Override
public void putValue(String name, Object value) {
throw new UnsupportedOperationException();
}
@Override
public void removeValue(String name) {
throw new UnsupportedOperationException();
}
}
private static class FakeSSLSocket extends SSLSocket {
private final SSLSession session;
private final SSLParameters parameters;
public FakeSSLSocket(SSLSession session, SSLParameters parameters) {
this.session = session;
this.parameters = parameters;
}
@Override
public SSLParameters getSSLParameters() {
return parameters;
}
@Override
public String[] getSupportedCipherSuites() {
throw new UnsupportedOperationException();
}
@Override
public String[] getEnabledCipherSuites() {
throw new UnsupportedOperationException();
}
@Override
public void setEnabledCipherSuites(String[] strings) {
throw new UnsupportedOperationException();
}
@Override
public String[] getSupportedProtocols() {
throw new UnsupportedOperationException();
}
@Override
public String[] getEnabledProtocols() {
throw new UnsupportedOperationException();
}
@Override
public void setEnabledProtocols(String[] strings) {
throw new UnsupportedOperationException();
}
@Override
public SSLSession getSession() {
return session;
}
@Override
public SSLSession getHandshakeSession() {
return session;
}
@Override
public void addHandshakeCompletedListener(
HandshakeCompletedListener handshakeCompletedListener) {
throw new UnsupportedOperationException();
}
@Override
public void removeHandshakeCompletedListener(
HandshakeCompletedListener handshakeCompletedListener) {
throw new UnsupportedOperationException();
}
@Override
public void startHandshake() throws IOException {
throw new UnsupportedOperationException();
}
@Override
public void setUseClientMode(boolean b) {
throw new UnsupportedOperationException();
}
@Override
public boolean getUseClientMode() {
throw new UnsupportedOperationException();
}
@Override
public void setNeedClientAuth(boolean b) {
throw new UnsupportedOperationException();
}
@Override
public boolean getNeedClientAuth() {
throw new UnsupportedOperationException();
}
@Override
public void setWantClientAuth(boolean b) {
throw new UnsupportedOperationException();
}
@Override
public boolean getWantClientAuth() {
throw new UnsupportedOperationException();
}
@Override
public void setEnableSessionCreation(boolean b) {
throw new UnsupportedOperationException();
}
@Override
public boolean getEnableSessionCreation() {
throw new UnsupportedOperationException();
}
}
}