Java example source code file (CipherTest.java)
The CipherTest.java Java example source code/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
import java.io.*;
import java.net.*;
import java.util.*;
import java.util.concurrent.*;
import java.security.*;
import java.security.cert.*;
import java.security.cert.Certificate;
import javax.net.ssl.*;
/**
* Test that all ciphersuites work in all versions and all client
* authentication types. The way this is setup the server is stateless and
* all checking is done on the client side.
*
* The test is multithreaded to speed it up, especially on multiprocessor
* machines. To simplify debugging, run with -DnumThreads=1.
*
* @author Andreas Sterbenz
*/
public class CipherTest {
// use any available port for the server socket
static int serverPort = 0;
final int THREADS;
// assume that if we do not read anything for 20 seconds, something
// has gone wrong
final static int TIMEOUT = 20 * 1000;
static KeyStore trustStore, keyStore;
static X509ExtendedKeyManager keyManager;
static X509TrustManager trustManager;
static SecureRandom secureRandom;
private static PeerFactory peerFactory;
static abstract class Server implements Runnable {
final CipherTest cipherTest;
Server(CipherTest cipherTest) throws Exception {
this.cipherTest = cipherTest;
}
public abstract void run();
void handleRequest(InputStream in, OutputStream out) throws IOException {
boolean newline = false;
StringBuilder sb = new StringBuilder();
while (true) {
int ch = in.read();
if (ch < 0) {
throw new EOFException();
}
sb.append((char)ch);
if (ch == '\r') {
// empty
} else if (ch == '\n') {
if (newline) {
// 2nd newline in a row, end of request
break;
}
newline = true;
} else {
newline = false;
}
}
String request = sb.toString();
if (request.startsWith("GET / HTTP/1.") == false) {
throw new IOException("Invalid request: " + request);
}
out.write("HTTP/1.0 200 OK\r\n\r\n".getBytes());
}
}
public static class TestParameters {
String cipherSuite;
String protocol;
String clientAuth;
TestParameters(String cipherSuite, String protocol,
String clientAuth) {
this.cipherSuite = cipherSuite;
this.protocol = protocol;
this.clientAuth = clientAuth;
}
boolean isEnabled() {
return TLSCipherStatus.isEnabled(cipherSuite, protocol);
}
public String toString() {
String s = cipherSuite + " in " + protocol + " mode";
if (clientAuth != null) {
s += " with " + clientAuth + " client authentication";
}
return s;
}
static enum TLSCipherStatus {
// cipher suites supported since TLS 1.2
CS_01("TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384", 0x0303, 0xFFFF),
CS_02("TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384", 0x0303, 0xFFFF),
CS_03("TLS_RSA_WITH_AES_256_CBC_SHA256", 0x0303, 0xFFFF),
CS_04("TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384", 0x0303, 0xFFFF),
CS_05("TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384", 0x0303, 0xFFFF),
CS_06("TLS_DHE_RSA_WITH_AES_256_CBC_SHA256", 0x0303, 0xFFFF),
CS_07("TLS_DHE_DSS_WITH_AES_256_CBC_SHA256", 0x0303, 0xFFFF),
CS_08("TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256", 0x0303, 0xFFFF),
CS_09("TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256", 0x0303, 0xFFFF),
CS_10("TLS_RSA_WITH_AES_128_CBC_SHA256", 0x0303, 0xFFFF),
CS_11("TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256", 0x0303, 0xFFFF),
CS_12("TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256", 0x0303, 0xFFFF),
CS_13("TLS_DHE_RSA_WITH_AES_128_CBC_SHA256", 0x0303, 0xFFFF),
CS_14("TLS_DHE_DSS_WITH_AES_128_CBC_SHA256", 0x0303, 0xFFFF),
CS_15("TLS_DH_anon_WITH_AES_256_CBC_SHA256", 0x0303, 0xFFFF),
CS_16("TLS_DH_anon_WITH_AES_128_CBC_SHA256", 0x0303, 0xFFFF),
CS_17("TLS_RSA_WITH_NULL_SHA256", 0x0303, 0xFFFF),
CS_20("TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384", 0x0303, 0xFFFF),
CS_21("TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256", 0x0303, 0xFFFF),
CS_22("TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384", 0x0303, 0xFFFF),
CS_23("TLS_RSA_WITH_AES_256_GCM_SHA384", 0x0303, 0xFFFF),
CS_24("TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384", 0x0303, 0xFFFF),
CS_25("TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384", 0x0303, 0xFFFF),
CS_26("TLS_DHE_RSA_WITH_AES_256_GCM_SHA384", 0x0303, 0xFFFF),
CS_27("TLS_DHE_DSS_WITH_AES_256_GCM_SHA384", 0x0303, 0xFFFF),
CS_28("TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256", 0x0303, 0xFFFF),
CS_29("TLS_RSA_WITH_AES_128_GCM_SHA256", 0x0303, 0xFFFF),
CS_30("TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256", 0x0303, 0xFFFF),
CS_31("TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256", 0x0303, 0xFFFF),
CS_32("TLS_DHE_RSA_WITH_AES_128_GCM_SHA256", 0x0303, 0xFFFF),
CS_33("TLS_DHE_DSS_WITH_AES_128_GCM_SHA256", 0x0303, 0xFFFF),
CS_34("TLS_DH_anon_WITH_AES_256_GCM_SHA384", 0x0303, 0xFFFF),
CS_35("TLS_DH_anon_WITH_AES_128_GCM_SHA256", 0x0303, 0xFFFF),
// cipher suites obsoleted since TLS 1.2
CS_50("SSL_RSA_WITH_DES_CBC_SHA", 0x0000, 0x0303),
CS_51("SSL_DHE_RSA_WITH_DES_CBC_SHA", 0x0000, 0x0303),
CS_52("SSL_DHE_DSS_WITH_DES_CBC_SHA", 0x0000, 0x0303),
CS_53("SSL_DH_anon_WITH_DES_CBC_SHA", 0x0000, 0x0303),
CS_54("TLS_KRB5_WITH_DES_CBC_SHA", 0x0000, 0x0303),
CS_55("TLS_KRB5_WITH_DES_CBC_MD5", 0x0000, 0x0303),
// cipher suites obsoleted since TLS 1.1
CS_60("SSL_RSA_EXPORT_WITH_RC4_40_MD5", 0x0000, 0x0302),
CS_61("SSL_DH_anon_EXPORT_WITH_RC4_40_MD5", 0x0000, 0x0302),
CS_62("SSL_RSA_EXPORT_WITH_DES40_CBC_SHA", 0x0000, 0x0302),
CS_63("SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA", 0x0000, 0x0302),
CS_64("SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA", 0x0000, 0x0302),
CS_65("SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA", 0x0000, 0x0302),
CS_66("TLS_KRB5_EXPORT_WITH_RC4_40_SHA", 0x0000, 0x0302),
CS_67("TLS_KRB5_EXPORT_WITH_RC4_40_MD5", 0x0000, 0x0302),
CS_68("TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA", 0x0000, 0x0302),
CS_69("TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5", 0x0000, 0x0302),
// ignore TLS_EMPTY_RENEGOTIATION_INFO_SCSV always
CS_99("TLS_EMPTY_RENEGOTIATION_INFO_SCSV", 0xFFFF, 0x0000);
// the cipher suite name
final String cipherSuite;
// supported since protocol version
final int supportedSince;
// obsoleted since protocol version
final int obsoletedSince;
TLSCipherStatus(String cipherSuite,
int supportedSince, int obsoletedSince) {
this.cipherSuite = cipherSuite;
this.supportedSince = supportedSince;
this.obsoletedSince = obsoletedSince;
}
static boolean isEnabled(String cipherSuite, String protocol) {
int versionNumber = toVersionNumber(protocol);
if (versionNumber < 0) {
return true; // unlikely to happen
}
for (TLSCipherStatus status : TLSCipherStatus.values()) {
if (cipherSuite.equals(status.cipherSuite)) {
if ((versionNumber < status.supportedSince) ||
(versionNumber >= status.obsoletedSince)) {
return false;
}
return true;
}
}
return true;
}
private static int toVersionNumber(String protocol) {
int versionNumber = -1;
switch (protocol) {
case "SSLv2Hello":
versionNumber = 0x0002;
break;
case "SSLv3":
versionNumber = 0x0300;
break;
case "TLSv1":
versionNumber = 0x0301;
break;
case "TLSv1.1":
versionNumber = 0x0302;
break;
case "TLSv1.2":
versionNumber = 0x0303;
break;
default:
// unlikely to happen
}
return versionNumber;
}
}
}
private List<TestParameters> tests;
private Iterator<TestParameters> testIterator;
private SSLSocketFactory factory;
private boolean failed;
private CipherTest(PeerFactory peerFactory) throws IOException {
THREADS = Integer.parseInt(System.getProperty("numThreads", "4"));
factory = (SSLSocketFactory)SSLSocketFactory.getDefault();
SSLSocket socket = (SSLSocket)factory.createSocket();
String[] cipherSuites = socket.getSupportedCipherSuites();
String[] protocols = socket.getSupportedProtocols();
String[] clientAuths = {null, "RSA", "DSA"};
tests = new ArrayList<TestParameters>(
cipherSuites.length * protocols.length * clientAuths.length);
for (int i = 0; i < cipherSuites.length; i++) {
String cipherSuite = cipherSuites[i];
for (int j = 0; j < protocols.length; j++) {
String protocol = protocols[j];
if (!peerFactory.isSupported(cipherSuite, protocol)) {
continue;
}
for (int k = 0; k < clientAuths.length; k++) {
String clientAuth = clientAuths[k];
if ((clientAuth != null) &&
(cipherSuite.indexOf("DH_anon") != -1)) {
// no client with anonymous ciphersuites
continue;
}
tests.add(new TestParameters(cipherSuite, protocol,
clientAuth));
}
}
}
testIterator = tests.iterator();
}
synchronized void setFailed() {
failed = true;
}
public void run() throws Exception {
Thread[] threads = new Thread[THREADS];
for (int i = 0; i < THREADS; i++) {
try {
threads[i] = new Thread(peerFactory.newClient(this),
"Client " + i);
} catch (Exception e) {
e.printStackTrace();
return;
}
threads[i].start();
}
try {
for (int i = 0; i < THREADS; i++) {
threads[i].join();
}
} catch (InterruptedException e) {
setFailed();
e.printStackTrace();
}
if (failed) {
throw new Exception("*** Test '" + peerFactory.getName() +
"' failed ***");
} else {
System.out.println("Test '" + peerFactory.getName() +
"' completed successfully");
}
}
synchronized TestParameters getTest() {
if (failed) {
return null;
}
if (testIterator.hasNext()) {
return (TestParameters)testIterator.next();
}
return null;
}
SSLSocketFactory getFactory() {
return factory;
}
static abstract class Client implements Runnable {
final CipherTest cipherTest;
Client(CipherTest cipherTest) throws Exception {
this.cipherTest = cipherTest;
}
public final void run() {
while (true) {
TestParameters params = cipherTest.getTest();
if (params == null) {
// no more tests
break;
}
if (params.isEnabled() == false) {
System.out.println("Skipping disabled test " + params);
continue;
}
try {
runTest(params);
System.out.println("Passed " + params);
} catch (Exception e) {
cipherTest.setFailed();
System.out.println("** Failed " + params + "**");
e.printStackTrace();
}
}
}
abstract void runTest(TestParameters params) throws Exception;
void sendRequest(InputStream in, OutputStream out) throws IOException {
out.write("GET / HTTP/1.0\r\n\r\n".getBytes());
out.flush();
StringBuilder sb = new StringBuilder();
while (true) {
int ch = in.read();
if (ch < 0) {
break;
}
sb.append((char)ch);
}
String response = sb.toString();
if (response.startsWith("HTTP/1.0 200 ") == false) {
throw new IOException("Invalid response: " + response);
}
}
}
// for some reason, ${test.src} has a different value when the
// test is called from the script and when it is called directly...
static String pathToStores = "../../etc";
static String pathToStoresSH = ".";
static String keyStoreFile = "keystore";
static String trustStoreFile = "truststore";
static char[] passwd = "passphrase".toCharArray();
static File PATH;
private static KeyStore readKeyStore(String name) throws Exception {
File file = new File(PATH, name);
InputStream in = new FileInputStream(file);
KeyStore ks = KeyStore.getInstance("JKS");
ks.load(in, passwd);
in.close();
return ks;
}
public static void main(PeerFactory peerFactory, String[] args)
throws Exception {
long time = System.currentTimeMillis();
String relPath;
if ((args != null) && (args.length > 0) && args[0].equals("sh")) {
relPath = pathToStoresSH;
} else {
relPath = pathToStores;
}
PATH = new File(System.getProperty("test.src", "."), relPath);
CipherTest.peerFactory = peerFactory;
System.out.print(
"Initializing test '" + peerFactory.getName() + "'...");
secureRandom = new SecureRandom();
secureRandom.nextInt();
trustStore = readKeyStore(trustStoreFile);
keyStore = readKeyStore(keyStoreFile);
KeyManagerFactory keyFactory =
KeyManagerFactory.getInstance(
KeyManagerFactory.getDefaultAlgorithm());
keyFactory.init(keyStore, passwd);
keyManager = (X509ExtendedKeyManager)keyFactory.getKeyManagers()[0];
trustManager = new AlwaysTrustManager();
CipherTest cipherTest = new CipherTest(peerFactory);
Thread serverThread = new Thread(peerFactory.newServer(cipherTest),
"Server");
serverThread.setDaemon(true);
serverThread.start();
System.out.println("Done");
cipherTest.run();
time = System.currentTimeMillis() - time;
System.out.println("Done. (" + time + " ms)");
}
static abstract class PeerFactory {
abstract String getName();
abstract Client newClient(CipherTest cipherTest) throws Exception;
abstract Server newServer(CipherTest cipherTest) throws Exception;
boolean isSupported(String cipherSuite, String protocol) {
// skip kerberos cipher suites
if (cipherSuite.startsWith("TLS_KRB5")) {
System.out.println("Skipping unsupported test for " +
cipherSuite + " of " + protocol);
return false;
}
// skip SSLv2Hello protocol
if (protocol.equals("SSLv2Hello")) {
System.out.println("Skipping unsupported test for " +
cipherSuite + " of " + protocol);
return false;
}
// ignore exportable cipher suite for TLSv1.1
if (protocol.equals("TLSv1.1")) {
if (cipherSuite.indexOf("_EXPORT_WITH") != -1) {
System.out.println("Skipping obsoleted test for " +
cipherSuite + " of " + protocol);
return false;
}
}
// ignore obsoleted cipher suite for the specified protocol
// TODO
// ignore unsupported cipher suite for the specified protocol
// TODO
return true;
}
}
}
// we currently don't do any chain verification. we assume that works ok
// and we can speed up the test. we could also just add a plain certificate
// chain comparision with our trusted certificates.
class AlwaysTrustManager implements X509TrustManager {
public AlwaysTrustManager() {
}
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
// empty
}
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
// empty
}
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
}
class MyX509KeyManager extends X509ExtendedKeyManager {
private final X509ExtendedKeyManager keyManager;
private String authType;
MyX509KeyManager(X509ExtendedKeyManager keyManager) {
this.keyManager = keyManager;
}
void setAuthType(String authType) {
this.authType = authType;
}
public String[] getClientAliases(String keyType, Principal[] issuers) {
if (authType == null) {
return null;
}
return keyManager.getClientAliases(authType, issuers);
}
public String chooseClientAlias(String[] keyType, Principal[] issuers,
Socket socket) {
if (authType == null) {
return null;
}
return keyManager.chooseClientAlias(new String[] {authType},
issuers, socket);
}
public String chooseEngineClientAlias(String[] keyType,
Principal[] issuers, SSLEngine engine) {
if (authType == null) {
return null;
}
return keyManager.chooseEngineClientAlias(new String[] {authType},
issuers, engine);
}
public String[] getServerAliases(String keyType, Principal[] issuers) {
throw new UnsupportedOperationException("Servers not supported");
}
public String chooseServerAlias(String keyType, Principal[] issuers,
Socket socket) {
throw new UnsupportedOperationException("Servers not supported");
}
public String chooseEngineServerAlias(String keyType, Principal[] issuers,
SSLEngine engine) {
throw new UnsupportedOperationException("Servers not supported");
}
public X509Certificate[] getCertificateChain(String alias) {
return keyManager.getCertificateChain(alias);
}
public PrivateKey getPrivateKey(String alias) {
return keyManager.getPrivateKey(alias);
}
}
class DaemonThreadFactory implements ThreadFactory {
final static ThreadFactory INSTANCE = new DaemonThreadFactory();
private final static ThreadFactory DEFAULT = Executors.defaultThreadFactory();
public Thread newThread(Runnable r) {
Thread t = DEFAULT.newThread(r);
t.setDaemon(true);
return t;
}
}
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