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/*
* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
* 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
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
/*
* A simple SSL socket client.
*/
public class Client {
private final SSLSocket socket;
public Client(SSLContext context) throws Exception {
SSLSocketFactory socketFactory = context.getSocketFactory();
socket = (SSLSocket) socketFactory.createSocket();
socket.setSoTimeout(Utils.TIMEOUT);
}
public Client(Cert... certs) throws Exception {
this(Utils.createSSLContext(certs));
}
private SSLSession getSession() {
return socket.getSession();
}
private void setEnabledCipherSuites(String... cipherSuites) {
socket.setEnabledCipherSuites(cipherSuites);
}
private void setEnabledProtocols(String... protocols) {
socket.setEnabledProtocols(protocols);
}
@SuppressWarnings(value = { "unchecked", "rawtypes" })
private void setServerName(String hostname) {
List serverNames = new ArrayList();
serverNames.add(createSNIHostName(hostname));
SSLParameters params = socket.getSSLParameters();
params.setServerNames(serverNames);
socket.setSSLParameters(params);
}
// Create SNIHostName via reflection due to pre-8 JDK builds don't support
// SNI. Those JDK builds cannot find classes SNIServerName and SNIHostName.
private Object createSNIHostName(String hostname) {
try {
Class<?> clazz = Class.forName("javax.net.ssl.SNIHostName");
return clazz.getConstructor(String.class).newInstance(hostname);
} catch (Exception e) {
throw new RuntimeException("Creates SNIHostName failed!", e);
}
}
private void setApplicationProtocols(String... protocols) {
SSLParameters params = socket.getSSLParameters();
params.setApplicationProtocols(protocols);
socket.setSSLParameters(params);
}
private String getNegotiatedApplicationProtocol() {
return socket.getApplicationProtocol();
}
private void oneTimeConnect(String host, int port) throws IOException {
socket.connect(new InetSocketAddress(host, port));
OutputStream out = socket.getOutputStream();
out.write('C');
out.flush();
InputStream in = socket.getInputStream();
in.read();
}
public void close() throws IOException {
socket.close();
}
public static void main(String[] args) throws IOException {
System.out.println("----- Client start -----");
int port = Integer.valueOf(System.getProperty(Utils.PROP_PORT));
String protocol = System.getProperty(Utils.PROP_PROTOCOL);
String cipherSuite = System.getProperty(Utils.PROP_CIPHER_SUITE);
String serverName = System.getProperty(Utils.PROP_SERVER_NAME);
String appProtocols = System.getProperty(Utils.PROP_APP_PROTOCOLS);
boolean supportsSNIOnServer
= Utils.getBoolProperty(Utils.PROP_SUPPORTS_SNI_ON_SERVER);
boolean supportsSNIOnClient
= Utils.getBoolProperty(Utils.PROP_SUPPORTS_SNI_ON_CLIENT);
boolean supportsALPNOnServer
= Utils.getBoolProperty(Utils.PROP_SUPPORTS_ALPN_ON_SERVER);
boolean supportsALPNOnClient
= Utils.getBoolProperty(Utils.PROP_SUPPORTS_ALPN_ON_CLIENT);
boolean negativeCase
= Utils.getBoolProperty(Utils.PROP_NEGATIVE_CASE_ON_CLIENT);
System.out.println(Utils.join(Utils.PARAM_DELIMITER,
"ClientJDK=" + System.getProperty(Utils.PROP_CLIENT_JDK),
"Protocol=" + protocol,
"CipherSuite=" + cipherSuite,
"ServerName=" + serverName,
"AppProtocols=" + appProtocols));
Status status = Status.SUCCESS;
Client client = null;
try {
client = new Client(Cert.getCerts(cipherSuite));
client.setEnabledProtocols(protocol);
client.setEnabledCipherSuites(cipherSuite);
if (serverName != null) {
if (supportsSNIOnClient) {
client.setServerName(serverName);
} else {
System.out.println(
"Ignored due to client doesn't support SNI.");
}
}
if (appProtocols != null) {
if (supportsALPNOnClient) {
client.setApplicationProtocols(
Utils.split(appProtocols, Utils.VALUE_DELIMITER));
} else {
System.out.println(
"Ignored due to client doesn't support ALPN.");
}
}
client.oneTimeConnect("localhost", port);
if (serverName != null && supportsSNIOnServer
&& supportsSNIOnClient) {
X509Certificate cert
= (X509Certificate) client.getSession().getPeerCertificates()[0];
String subject
= cert.getSubjectX500Principal().getName();
if (!subject.contains(serverName)) {
System.out.println("Unexpected server: " + subject);
status = Status.FAIL;
}
}
if (appProtocols != null && supportsALPNOnServer
&& supportsALPNOnClient) {
String negoAppProtocol
= client.getNegotiatedApplicationProtocol();
String expectedNegoAppProtocol
= System.getProperty(Utils.PROP_NEGO_APP_PROTOCOL);
if (!expectedNegoAppProtocol.equals(negoAppProtocol)) {
System.out.println("Unexpected negotiated app protocol: "
+ negoAppProtocol);
status = Status.FAIL;
}
}
if (status != Status.FAIL) {
status = negativeCase
? Status.UNEXPECTED_SUCCESS
: Status.SUCCESS;
}
} catch (Exception exception) {
status = Utils.handleException(exception, negativeCase);
} finally {
if (client != null) {
client.close();
}
}
System.out.println("STATUS: " + status);
System.out.println("----- Client end -----");
}
}
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