package aQute.jpm.main;
/*
* Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Sun Microsystems nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* http://blogs.sun.com/andreas/resource/InstallCert.java
* Use:
* java InstallCert hostname
* Example:
*% java InstallCert ecc.fedora.redhat.com
*/
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.Enumeration;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import aQute.lib.io.IO;
import aQute.service.reporter.Reporter;
/**
* Class used to add the server's certificate to the KeyStore with your trusted
* certificates.
*/
public class InstallCert {
private final static Logger logger = LoggerFactory.getLogger(InstallCert.class);
public static void installCert(Reporter reporter, String host, int port, String passphrase, File file,
boolean install) throws Exception {
KeyStore ks = getKeystore(passphrase, file);
SSLContext context = SSLContext.getInstance("TLS");
TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init(ks);
X509TrustManager defaultTrustManager = (X509TrustManager) tmf.getTrustManagers()[0];
SavingTrustManager tm = new SavingTrustManager(defaultTrustManager);
context.init(null, new TrustManager[] {
tm
}, null);
SSLSocketFactory factory = context.getSocketFactory();
logger.debug("Opening connection to {}:{}", host, port);
SSLSocket socket = (SSLSocket) factory.createSocket(host, port);
socket.setSoTimeout(10000);
try {
logger.debug("Starting SSL handshake...");
socket.startHandshake();
socket.close();
logger.debug("No errors, certificate is already trusted");
} catch (SSLException e) {
logger.debug("expected exception");
}
X509Certificate[] chain = tm.chain;
if (chain == null) {
logger.debug("Could not obtain server certificate chain");
return;
}
logger.debug("Server sent {} certificate(s):", chain.length);
System.out.println("Chain");
String trusted = null;
for (int i = 0; i < chain.length; i++) {
X509Certificate cert = chain[i];
String alias = ks.getCertificateAlias(cert);
if (alias != null && trusted == null)
trusted = alias;
System.out.printf("%-40s %s%n", alias, cert.getSubjectDN());
}
if (trusted != null) {
System.out
.println("This server is trusted, certificate in the chain was found as alias \"" + trusted + "\"");
return;
}
if (!install)
return;
X509Certificate cert = chain[0];
String alias = host;
ks.setCertificateEntry(alias, cert);
saveKeystore(passphrase, file, ks);
logger.debug("Added certificate to keystore '{}' using alias '{}'", file, alias);
}
private static void saveKeystore(String passphrase, File file, KeyStore ks) throws FileNotFoundException,
IOException, KeyStoreException, NoSuchAlgorithmException, CertificateException {
file = getCacertFile(file);
try (OutputStream out = IO.outputStream(file)) {
ks.store(out, passphrase.toCharArray());
}
}
private static KeyStore getKeystore(String passphrase, File file) throws FileNotFoundException, KeyStoreException,
IOException, NoSuchAlgorithmException, CertificateException {
file = getCacertFile(file);
KeyStore ks;
try (InputStream in = IO.stream(file)) {
ks = KeyStore.getInstance(KeyStore.getDefaultType());
ks.load(in, passphrase.toCharArray());
}
System.out.println("In key store");
for (Enumeration<String> e = ks.aliases(); e.hasMoreElements();) {
String alias = e.nextElement();
Certificate certificate = ks.getCertificate(alias);
if (certificate instanceof X509Certificate) {
X509Certificate x509 = (X509Certificate) certificate;
System.out.printf("%-40s %s%n", alias, x509.getSubjectDN());
}
}
System.out.println("---------------");
return ks;
}
private static File getCacertFile(File file) {
if (file == null) {
File java = new File(System.getProperty("java.home"));
file = IO.getFile(java, "lib/security/jssecacerts");
if (!file.isFile())
file = IO.getFile(java, "lib/security/cacerts");
if (!file.isFile())
file = IO.getFile(java, "jre/lib/security/cacerts");
if (!file.isFile())
throw new IllegalArgumentException(
"Cannot find certifcate file in $JAVA_HOME/lib/security/(jsse)?cacerts");
System.out.printf("using cacerts %s%n", file);
}
return file;
}
public static void deleteCert(String alias, String password, File cacerts) throws FileNotFoundException,
KeyStoreException, NoSuchAlgorithmException, CertificateException, IOException {
KeyStore ks = getKeystore(password, cacerts);
Certificate certificate = ks.getCertificate(alias);
if (certificate == null) {
System.out.println("No such alias " + alias);
return;
}
ks.deleteEntry(alias);
saveKeystore(password, cacerts, ks);
}
private static class SavingTrustManager implements X509TrustManager {
private final X509TrustManager tm;
X509Certificate[] chain;
SavingTrustManager(X509TrustManager tm) {
this.tm = tm;
}
public X509Certificate[] getAcceptedIssuers() {
throw new UnsupportedOperationException();
}
public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
throw new UnsupportedOperationException();
}
public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
this.chain = chain;
tm.checkServerTrusted(chain, authType);
}
}
}