--- /dev/null
+/*
+ * The Shibboleth License, Version 1.
+ * Copyright (c) 2002
+ * University Corporation for Advanced Internet Development, 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, if any, must include
+ * the following acknowledgment: "This product includes software developed by
+ * the University Corporation for Advanced Internet Development
+ * <http://www.ucaid.edu>Internet2 Project. Alternately, this acknowledegement
+ * may appear in the software itself, if and wherever such third-party
+ * acknowledgments normally appear.
+ *
+ * Neither the name of Shibboleth nor the names of its contributors, nor
+ * Internet2, nor the University Corporation for Advanced Internet Development,
+ * Inc., nor UCAID may be used to endorse or promote products derived from this
+ * software without specific prior written permission. For written permission,
+ * please contact shibboleth@shibboleth.org
+ *
+ * Products derived from this software may not be called Shibboleth, Internet2,
+ * UCAID, or the University Corporation for Advanced Internet Development, nor
+ * may Shibboleth appear in their name, without prior written permission of the
+ * University Corporation for Advanced Internet Development.
+ *
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND WITH ALL FAULTS. ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE, AND NON-INFRINGEMENT ARE DISCLAIMED AND THE ENTIRE RISK
+ * OF SATISFACTORY QUALITY, PERFORMANCE, ACCURACY, AND EFFORT IS WITH LICENSEE.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER, CONTRIBUTORS OR THE UNIVERSITY
+ * CORPORATION FOR ADVANCED INTERNET DEVELOPMENT, INC. 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.
+ */
+
+package edu.internet2.middleware.shibboleth.utils;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedReader;
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.PrintStream;
+import java.security.Key;
+import java.security.KeyFactory;
+import java.security.KeyStore;
+import java.security.KeyStoreException;
+import java.security.NoSuchAlgorithmException;
+import java.security.NoSuchProviderException;
+import java.security.PrivateKey;
+import java.security.Provider;
+import java.security.PublicKey;
+import java.security.Security;
+import java.security.UnrecoverableKeyException;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.security.spec.PKCS8EncodedKeySpec;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Properties;
+
+import javax.crypto.Cipher;
+
+import org.apache.log4j.ConsoleAppender;
+import org.apache.log4j.Level;
+import org.apache.log4j.LogManager;
+import org.apache.log4j.Logger;
+import org.apache.log4j.PatternLayout;
+import sun.misc.BASE64Encoder;
+
+/**
+ * Extension utility for use alongside Sun's keytool program. Performs useful functions not found
+ * in original.
+ *
+ * @author Walter Hoehn
+ */
+
+public class ExtKeyTool {
+
+ protected static Logger log = Logger.getLogger(ExtKeyTool.class.getName());
+
+ /**
+ * Creates and initializes a java <code>KeyStore</code>
+ *
+ * @param provider name of the jce provider to use in loading the keystore
+ * @param keyStoreStream stream used to retrieve the keystore
+ * @param storeType the type of the keystore
+ * @param keyStorePassword password used to verify the integrity of the keystore
+ *
+ * @throws ExtKeyToolException if a problem is encountered loading the keystore
+ */
+
+ protected KeyStore loadKeyStore(
+ String provider,
+ InputStream keyStoreStream,
+ String storeType,
+ char[] keyStorePassword)
+ throws ExtKeyToolException {
+
+ try {
+ if (storeType == null) {
+ storeType = "JKS";
+ }
+
+ log.debug("Using keystore type: (" + storeType + ")");
+ log.debug("Using provider: (" + provider + ")");
+
+ KeyStore keyStore;
+ if (storeType.equals("JKS")) {
+ keyStore = KeyStore.getInstance(storeType, "SUN");
+ } else {
+ keyStore = KeyStore.getInstance(storeType, provider);
+ }
+
+ if (keyStoreStream == null) {
+ log.error("Keystore must be specified.");
+ throw new ExtKeyToolException("Keystore must be specified.");
+ }
+ if (keyStorePassword == null) {
+ log.warn("No password given for keystore, integrity will not be verified.");
+ }
+ keyStore.load(keyStoreStream, keyStorePassword);
+
+ return keyStore;
+
+ } catch (KeyStoreException e) {
+ log.error("Problem loading keystore: " + e);
+ throw new ExtKeyToolException("Problem loading keystore: " + e);
+ } catch (NoSuchProviderException e) {
+ log.error("The specified provider is not available.");
+ throw new ExtKeyToolException("The specified provider is not available.");
+ } catch (CertificateException ce) {
+ log.error("Could not open keystore: " + ce);
+ throw new ExtKeyToolException("Could not open keystore: " + ce);
+ } catch (IOException ioe) {
+ log.error("Could not export key: " + ioe);
+ throw new ExtKeyToolException("Could not export key: " + ioe);
+ } catch (NoSuchAlgorithmException nse) {
+ log.error("Could not open keystore with the installed JCE providers: " + nse);
+ throw new ExtKeyToolException("Could not open keystore with the installed JCE providers: " + nse);
+ }
+ }
+
+ /**
+ * Retrieves a private key from a java keystore and writes it to an <code>PrintStream</code>
+ *
+ * @param provider name of the jce provider to use in retrieving the key
+ * @param outStream stream that should be used to output the retrieved key
+ * @param keyStoreStream stream used to retrieve the keystore
+ * @param storeType the type of the keystore
+ * @param keyStorePassword password used to verify the integrity of the keystore
+ * @param keyAlias the alias under which the key is stored
+ * @param keyPassword the password for recovering the key
+ * @param rfc boolean indicator of whether the key should be Base64 encoded
+ * before being written to the stream
+ * @throws ExtKeyToolException if there a problem retrieving or writing the key
+ */
+
+ public void exportKey(
+ String provider,
+ PrintStream outStream,
+ InputStream keyStoreStream,
+ String storeType,
+ char[] keyStorePassword,
+ String keyAlias,
+ char[] keyPassword,
+ boolean rfc)
+ throws ExtKeyToolException {
+
+ try {
+
+ KeyStore keyStore = loadKeyStore(provider, keyStoreStream, storeType, keyStorePassword);
+
+ if (keyAlias == null) {
+ log.error("Key alias must be specified.");
+ throw new ExtKeyToolException("Key alias must be specified.");
+ }
+ log.info("Searching for key.");
+
+ Key key = keyStore.getKey(keyAlias, keyPassword);
+ if (key == null) {
+ log.error("Key not found in store.");
+ throw new ExtKeyToolException("Key not found in store.");
+ }
+ log.info("Found key.");
+
+ if (rfc) {
+ log.debug("Dumping with rfc encoding");
+ outStream.println("-----BEGIN " + key.getAlgorithm() + " PRIVATE KEY-----");
+ BASE64Encoder encoder = new BASE64Encoder();
+ encoder.encodeBuffer(key.getEncoded(), outStream);
+ outStream.println("-----END " + key.getAlgorithm() + " PRIVATE KEY-----");
+ } else {
+ log.debug("Dumping with default encoding.");
+ outStream.write(key.getEncoded());
+ }
+
+ } catch (KeyStoreException e) {
+ log.error("Problem accessing keystore: " + e);
+ throw new ExtKeyToolException("Problem loading keystore: " + e);
+ } catch (IOException ioe) {
+ log.error("Could not export key: " + ioe);
+ throw new ExtKeyToolException("Could not export key: " + ioe);
+ } catch (NoSuchAlgorithmException nse) {
+ log.error("Could not recover key with the installed JCE providers: " + nse);
+ throw new ExtKeyToolException("Could not recover key with the installed JCE providers: " + nse);
+ } catch (UnrecoverableKeyException uke) {
+ log.error("The key specified key cannot be recovered with the given password: " + uke);
+ throw new ExtKeyToolException(
+ "The key specified key cannot be recovered with the given password: " + uke);
+ }
+ }
+
+ /**
+ * Boolean indication of whether a given private key and public key form a valid keypair.
+ *
+ * @param pubKey the public key
+ * @param privKey the private key
+ */
+
+ protected boolean isMatchingKey(String algorithm, PublicKey pubKey, PrivateKey privKey) {
+
+ try {
+ String controlString = "asdf";
+ log.debug("Checking for matching private key/public key pair");
+ Cipher cipher = Cipher.getInstance(algorithm);
+ cipher.init(Cipher.ENCRYPT_MODE, pubKey);
+ byte[] encryptedData = cipher.doFinal(controlString.getBytes("UTF-8"));
+
+ cipher.init(Cipher.DECRYPT_MODE, privKey);
+ byte[] decryptedData = cipher.doFinal(encryptedData);
+ if (controlString.equals(new String(decryptedData, "UTF-8"))) {
+ log.debug("Found match.");
+ return true;
+ }
+ } catch (Exception e) {
+ log.warn(e);
+ }
+ log.debug("This pair does not match.");
+ return false;
+ }
+
+ /**
+ * Attempts to unmarshall a private key from a given stream.
+ *
+ * @param keyStream the <code>InputStream</code> suppying the key
+ * @param algorithm the key algorithm
+ * @throws ExtKeyToolException if there a problem unmarshalling the key
+ */
+
+ protected PrivateKey readPrivateKey(String provider, InputStream keyStream, String algorithm)
+ throws ExtKeyToolException {
+ try {
+ KeyFactory keyFactory = KeyFactory.getInstance(algorithm, provider);
+
+ byte[] inputBuffer = new byte[8];
+ int i;
+ ByteContainer inputBytes = new ByteContainer(400);
+ do {
+ i = keyStream.read(inputBuffer);
+ for (int j = 0; j < i; j++) {
+ inputBytes.append(inputBuffer[j]);
+ }
+ } while (i > -1);
+
+ PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(inputBytes.toByteArray());
+ return keyFactory.generatePrivate(keySpec);
+
+ } catch (Exception e) {
+ log.error("Problem reading private key: " + e.getMessage());
+ throw new ExtKeyToolException("Problem reading private key: " + e.getMessage());
+ }
+ }
+
+ /**
+ * Converts an array of certificates into an ordered chain. A
+ * certificate that matches the specified private key will be returned
+ * first and the root certificate will be returned last.
+ *
+ * @param untestedCerts array of certificates
+ * @param privKey the private key used to determine the first cert in the chain
+ * @throws InvalidCertificateChainException thrown if a chain cannot be constructed
+ * from the specified elements
+ */
+
+ protected X509Certificate[] linkChain(
+ String keyAlgorithm,
+ X509Certificate[] untestedCerts,
+ PrivateKey privKey)
+ throws InvalidCertificateChainException {
+
+ log.debug("Located " + untestedCerts.length + " cert(s) in input file");
+
+ log.info("Finding end cert in chain.");
+ ArrayList replyCerts = new ArrayList();
+ for (int i = 0; untestedCerts.length > i; i++) {
+ if (isMatchingKey(keyAlgorithm, untestedCerts[i].getPublicKey(), privKey)) {
+ log.debug("Found matching end cert: " + untestedCerts[i].getSubjectDN());
+ replyCerts.add(untestedCerts[i]);
+ }
+ }
+ if (replyCerts.size() < 1) {
+ log.error("No certificate in chain that matches specified private key");
+ throw new InvalidCertificateChainException("No certificate in chain that matches specified private key");
+ }
+ if (replyCerts.size() > 1) {
+ log.error("More than one certificate in chain that matches specified private key");
+ throw new InvalidCertificateChainException("More than one certificate in chain that matches specified private key");
+ }
+
+ log.info("Populating chain with remaining certs.");
+ walkChain(untestedCerts, replyCerts);
+
+ log.info("Verifying that each link in the cert chain is signed appropriately");
+ for (int i = 0; i < replyCerts.size() - 1; i++) {
+ PublicKey pubKey = ((X509Certificate) replyCerts.get(i + 1)).getPublicKey();
+ try {
+ ((X509Certificate) replyCerts.get(i)).verify(pubKey);
+ } catch (Exception e) {
+ log.error("Certificate chain cannot be verified: " + e.getMessage());
+ throw new InvalidCertificateChainException(
+ "Certificate chain cannot be verified: " + e.getMessage());
+ }
+ }
+ log.info("All signatures verified. Certificate chain successfully created.");
+
+ return (X509Certificate[]) replyCerts.toArray(new X509Certificate[0]);
+ }
+
+ /**
+ * Given an ArrayList containing a base certificate and an array of unordered certificates,
+ * populates the ArrayList with an ordered certificate chain, based on subject and issuer.
+ *
+ * @param chainSource array of certificates to pull from
+ * @param chainDest ArrayList containing base certificate
+ * @throws InvalidCertificateChainException thrown if a chain cannot be constructed from
+ * the specified elements
+ */
+
+ protected void walkChain(X509Certificate[] chainSource, ArrayList chainDest)
+ throws InvalidCertificateChainException {
+
+ X509Certificate currentCert = (X509Certificate) chainDest.get(chainDest.size() - 1);
+ if (currentCert.getSubjectDN().equals(currentCert.getIssuerDN())) {
+ log.debug("Found self-signed root cert: " + currentCert.getSubjectDN());
+ return;
+ } else {
+ for (int i = 0; chainSource.length > i; i++) {
+ if (currentCert.getIssuerDN().equals(chainSource[i].getSubjectDN())) {
+ chainDest.add(chainSource[i]);
+ walkChain(chainSource, chainDest);
+ return;
+ }
+ }
+ log.error("Incomplete certificate chain.");
+ throw new InvalidCertificateChainException("Incomplete cerficate chain.");
+ }
+ }
+
+ /**
+ * Given a java keystore, private key, and matching certificate chain; creates a new
+ * keystore containing the union of these objects
+ *
+ * @param provider the name of the jce provider to use
+ * @param keyAlgorithm the algorithm of the key to be added, defaults to RSA if null
+ * @param keyStream strema used to retrieve the private key, can contain a PEM encoded
+ * or pkcs8 encoded key
+ * @param chainStream stream used to retrieve certificates, can contain a series of
+ * PEM encoded certs or a pkcs7 chain
+ * @param keyStoreInStream stream used to retrieve the initial keystore
+ * @param storeType the type of the keystore
+ * @param keyAlias the alias under which the key/chain should be saved
+ * @param keyStorePassword password used to verify the integrity of the old keystore and
+ * save the new keystore
+ * @param keyPassword the password for saving the key
+ *
+ * @return an OutputStream containing the new keystore
+ *
+ * @throws ExtKeyToolException if there a problem importing the key
+ */
+
+ public ByteArrayOutputStream importKey(
+ String provider,
+ String keyAlgorithm,
+ InputStream keyStream,
+ InputStream chainStream,
+ InputStream keyStoreInStream,
+ String storeType,
+ String keyAlias,
+ char[] keyStorePassword,
+ char[] keyPassword)
+ throws ExtKeyToolException {
+
+ log.info("Importing key pair.");
+ try {
+
+ // The Sun provider incorrectly reads only the first cert in the stream.
+ // No loss, it won't even read RSA keys
+ if (provider == "SUN") {
+ log.error("Sorry, this function not supported with the SUN provider.");
+ throw new ExtKeyToolException("Sorry, this function not supported with the SUN provider.");
+ }
+
+ KeyStore keyStore = loadKeyStore(provider, keyStoreInStream, storeType, keyStorePassword);
+
+ if (keyAlias == null) {
+ log.error("Key alias must be specified.");
+ throw new ExtKeyToolException("Key alias must be specified.");
+ }
+ if (keyStore.containsAlias(keyAlias) == true && keyStore.isKeyEntry(keyAlias)) {
+ log.error("Could not import key: " + "key alias (" + keyAlias + ") already exists");
+ throw new ExtKeyToolException(
+ "Could not import key: " + "key alias (" + keyAlias + ") already exists");
+ }
+ keyStore.deleteEntry(keyAlias);
+
+ log.info("Reading private key.");
+ if (keyAlgorithm == null) {
+ keyAlgorithm = "RSA";
+ }
+ log.debug("Using key algorithm: (" + keyAlgorithm + ")");
+ PrivateKey key = readPrivateKey(provider, keyStream, keyAlgorithm);
+
+ log.info("Reading certificate chain.");
+
+ CertificateFactory certFactory = CertificateFactory.getInstance("X.509", provider);
+ Collection chain = certFactory.generateCertificates(new BufferedInputStream(chainStream));
+ if (chain.isEmpty()) {
+ log.error("Input did not contain any valid certificates.");
+ throw new ExtKeyToolException("Input did not contain any valid certificates.");
+ }
+
+ X509Certificate[] verifiedChain =
+ linkChain(keyAlgorithm, (X509Certificate[]) chain.toArray(new X509Certificate[0]), key);
+
+ keyStore.setKeyEntry(keyAlias, key, keyPassword, verifiedChain);
+ ByteArrayOutputStream keyStoreOutStream = new ByteArrayOutputStream();
+ keyStore.store(keyStoreOutStream, keyStorePassword);
+ log.info("Key Store saved to stream.");
+ return keyStoreOutStream;
+
+ } catch (KeyStoreException e) {
+ log.error("Encountered a problem accessing the keystore: " + e.getMessage());
+ throw new ExtKeyToolException("Encountered a problem accessing the keystore: " + e.getMessage());
+ } catch (CertificateException e) {
+ log.error("Could not load certificate(s): " + e.getMessage());
+ throw new ExtKeyToolException("Could not load certificate(s): " + e.getMessage());
+ } catch (NoSuchProviderException e) {
+ log.error("The specified provider is not available.");
+ throw new ExtKeyToolException("The specified provider is not available.");
+ } catch (IOException ioe) {
+ log.error("Could not export key: " + ioe);
+ throw new ExtKeyToolException("Could not export key: " + ioe);
+ } catch (NoSuchAlgorithmException nse) {
+ log.error("Could not save with the installed JCE providers: " + nse);
+ throw new ExtKeyToolException("Could not save with the installed JCE providers: " + nse);
+ }
+ }
+
+ /**
+ * Tries to decipher command line arguments.
+ *
+ * @throws IllegalArgumentException if arguments are not properly formatted
+ */
+
+ private static Properties parseArguments(String[] args) throws IllegalArgumentException {
+
+ if (args.length < 1) {
+ throw new IllegalArgumentException("No arguments found.");
+ }
+ Properties parsedArguments = new Properties();
+
+ for (int i = 0;(i < args.length) && args[i].startsWith("-"); i++) {
+
+ String flags = args[i];
+
+ //parse actions
+ if (flags.equalsIgnoreCase("-exportkey")) {
+ parsedArguments.setProperty("command", "exportKey");
+ } else if (flags.equalsIgnoreCase("-importkey")) {
+ parsedArguments.setProperty("command", "importKey");
+ }
+
+ //parse specifiers
+ else if (flags.equalsIgnoreCase("-alias")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -alias requires a parameter");
+ }
+ parsedArguments.setProperty("alias", args[i]);
+ } else if (flags.equalsIgnoreCase("-keyfile")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -keyfile requires a parameter");
+ }
+ parsedArguments.setProperty("keyFile", args[i]);
+ } else if (flags.equalsIgnoreCase("-certfile")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -certfile requires a parameter");
+ }
+ parsedArguments.setProperty("certFile", args[i]);
+ } else if (flags.equalsIgnoreCase("-keystore")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -keystore requires a parameter");
+ }
+ parsedArguments.setProperty("keyStore", args[i]);
+ } else if (flags.equalsIgnoreCase("-storepass")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -storepass requires a parameter");
+ }
+ parsedArguments.setProperty("storePass", args[i]);
+ } else if (flags.equalsIgnoreCase("-storetype")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -storetype requires a parameter");
+ }
+ parsedArguments.setProperty("storeType", args[i]);
+ } else if (flags.equalsIgnoreCase("-keypass")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -keypass requires a parameter");
+ }
+ parsedArguments.setProperty("keyPass", args[i]);
+ } else if (flags.equalsIgnoreCase("-provider")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -provider requires a parameter");
+ }
+ parsedArguments.setProperty("provider", args[i]);
+ } else if (flags.equalsIgnoreCase("-file")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -file requires a parameter");
+ }
+ parsedArguments.setProperty("file", args[i]);
+ } else if (flags.equalsIgnoreCase("-algorithm")) {
+ if (++i == args.length) {
+ throw new IllegalArgumentException("The argument -algorithm requires a parameter");
+ }
+ parsedArguments.setProperty("keyAlgorithm", args[i]);
+ }
+
+ //options
+ else if (flags.equalsIgnoreCase("-v")) {
+ parsedArguments.setProperty("verbose", "true");
+ } else if (flags.equalsIgnoreCase("-rfc")) {
+ parsedArguments.setProperty("rfc", "true");
+ } else {
+ throw new IllegalArgumentException("Unrecognized argument: " + flags);
+ }
+ }
+ if (parsedArguments.getProperty("command", null) == null) {
+ throw new IllegalArgumentException("No action specified");
+ }
+ return parsedArguments;
+ }
+
+ /**
+ * Ensures that providers specified on the command line are in fact loaded
+ * into the current environment.
+ *
+ * @return the name of the provider add, null if no provider was added
+ */
+
+ protected String initProvider(Properties arguments) {
+
+ try {
+ if (arguments.getProperty("provider", null) != null) {
+
+ Provider provider = (Provider) Class.forName(arguments.getProperty("provider")).newInstance();
+ log.info("Adding Provider to environment: (" + provider.getName() + ")");
+ Security.addProvider(provider);
+ return provider.getName();
+ }
+ } catch (Exception e) {
+ log.error("Could not load specified jce provider: " + e);
+ }
+ return null;
+
+ }
+
+ /**
+ * Initializes Log4J logger mode based on command line arguments.
+ */
+
+ protected void startLogger(Properties arguments) {
+ Logger root = Logger.getRootLogger();
+ root.addAppender(new ConsoleAppender(new PatternLayout(PatternLayout.TTCC_CONVERSION_PATTERN)));
+ if (arguments.getProperty("verbose", null) == null
+ || arguments.getProperty("verbose", null).equals("false")) {
+ root.setLevel(Level.WARN);
+ } else {
+ root.setLevel(Level.DEBUG);
+ }
+ }
+
+ public static void main(String[] args) {
+
+ try {
+ Properties arguments = parseArguments(args);
+
+ ExtKeyTool tool = new ExtKeyTool();
+ tool.startLogger(arguments);
+ String providerName = tool.initProvider(arguments);
+ if (providerName != null) {
+ arguments.setProperty("providerName", providerName);
+ }
+ tool.run(arguments);
+
+ } catch (IllegalArgumentException iae) {
+ log.fatal(
+ "Illegal argument specified: " + iae.getMessage() + System.getProperty("line.separator"));
+ LogManager.shutdown();
+ printUsage(System.err);
+ } catch (ExtKeyToolException ske) {
+ log.fatal("Cannot Perform Operation: " + ske.getMessage() + System.getProperty("line.separator"));
+ LogManager.shutdown();
+ printUsage(System.err);
+ }
+ }
+
+ /**
+ * Based on on a set of properties, executes <code>ExtKeyTool</code> actions.
+ *
+ * @param arguments runtime parameters specified on the command line
+ */
+
+ private void run(Properties arguments) throws ExtKeyToolException {
+
+ //common for all actions
+ char[] storePassword = null;
+ if (arguments.getProperty("storePass", null) != null) {
+ storePassword = arguments.getProperty("storePass").toCharArray();
+ }
+
+ String providerName = null;
+ if (arguments.getProperty("providerName", null) != null) {
+ providerName = arguments.getProperty("providerName");
+ } else {
+ providerName = "SUN";
+ }
+
+ //export key action
+ if (arguments.getProperty("command").equals("exportKey")) {
+
+ boolean rfc = false;
+ if ("true".equalsIgnoreCase(arguments.getProperty("rfc", null))) {
+ rfc = true;
+ }
+
+ PrintStream outStream = null;
+ if (arguments.getProperty("file", null) != null) {
+ try {
+ outStream = new PrintStream(new FileOutputStream(arguments.getProperty("file")));
+ } catch (FileNotFoundException e) {
+ throw new ExtKeyToolException("Could not open output file: " + e);
+ }
+ } else {
+ outStream = System.out;
+ }
+
+ try {
+ exportKey(
+ providerName,
+ outStream,
+ new FileInputStream(resolveKeyStore(arguments.getProperty("keyStore", null))),
+ arguments.getProperty("storeType", null),
+ storePassword,
+ arguments.getProperty("alias", null),
+ resolveKeyPass(arguments.getProperty("keyPass", null), storePassword),
+ rfc);
+ } catch (FileNotFoundException e) {
+ throw new ExtKeyToolException("KeyStore not found.");
+ }
+ outStream.close();
+
+ //import action
+ } else if (arguments.getProperty("command").equals("importKey")) {
+
+ InputStream keyInStream = null;
+ if (arguments.getProperty("keyFile", null) != null) {
+ try {
+ keyInStream = new FileInputStream(arguments.getProperty("keyFile"));
+ } catch (FileNotFoundException e) {
+ throw new ExtKeyToolException("Could not open key file." + e.getMessage());
+ }
+ } else {
+ throw new IllegalArgumentException("Key file must be specified.");
+ }
+
+ InputStream certInStream = null;
+ if (arguments.getProperty("certFile", null) != null) {
+ try {
+ certInStream = new FileInputStream(arguments.getProperty("certFile"));
+ } catch (FileNotFoundException e) {
+ throw new ExtKeyToolException("Could not open cert file." + e.getMessage());
+ }
+ } else {
+ throw new IllegalArgumentException("Certificate file must be specified.");
+ }
+
+ try {
+ ByteArrayOutputStream keyStoreOutStream =
+ importKey(
+ providerName,
+ arguments.getProperty("keyAlgorithm", null),
+ keyInStream,
+ certInStream,
+ new FileInputStream(resolveKeyStore(arguments.getProperty("keyStore", null))),
+ arguments.getProperty("storeType", null),
+ arguments.getProperty("alias", null),
+ storePassword,
+ resolveKeyPass(arguments.getProperty("keyPass", null), storePassword));
+
+ keyInStream.close();
+ // A quick sanity check before we overwrite the old keystore
+ if (keyStoreOutStream == null || keyStoreOutStream.size() < 1) {
+ throw new ExtKeyToolException("Failed to create keystore: results are null");
+ }
+ keyStoreOutStream.writeTo(
+ new FileOutputStream(resolveKeyStore(arguments.getProperty("keyStore", null))));
+ System.out.println("Key import successful.");
+
+ } catch (FileNotFoundException e) {
+ throw new ExtKeyToolException("Could not open keystore file." + e.getMessage());
+ } catch (IOException e) {
+ throw new ExtKeyToolException("Error writing keystore." + e.getMessage());
+ }
+
+ } else {
+ throw new IllegalArgumentException(
+ "This keytool cannot perform the operation: (" + arguments.getProperty("command") + ")");
+ }
+
+ }
+
+ /**
+ * Determines the location of the keystore to use when performing the action
+ *
+ * @return the <code>File</code> representation of the selected keystore
+ */
+
+ protected File resolveKeyStore(String keyStoreLocation)
+ throws ExtKeyToolException, FileNotFoundException {
+
+ if (keyStoreLocation == null) {
+ keyStoreLocation = System.getProperty("user.home") + File.separator + ".keystore";
+ }
+ log.debug("Using keystore (" + keyStoreLocation + ")");
+ File file = new File(keyStoreLocation);
+ if (file.exists() && file.length() == 0) {
+ log.error("Keystore file is empty.");
+ throw new ExtKeyToolException("Keystore file is empty.");
+ }
+ return file;
+ }
+
+ /**
+ * Decides what password to use for storing/retrieving keys from the keystore. NOTE: Possible
+ * terminal interaction with the user.
+ * @return a char array containing the password
+ */
+
+ protected char[] resolveKeyPass(String keyPass, char[] storePass) {
+
+ if (keyPass != null) {
+ return keyPass.toCharArray();
+ } else {
+ System.out.println("Enter key password");
+ System.out.print("\t(RETURN if same as keystore password): ");
+ System.out.flush();
+ try {
+ BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
+ String passwordInput = reader.readLine();
+ passwordInput.trim();
+ if (passwordInput != null) {
+ return passwordInput.toCharArray();
+ }
+ } catch (IOException e) {
+ log.warn(e.getMessage());
+ }
+ log.warn("No password specified, defaulting to keystore password.");
+ return storePass;
+ }
+ }
+
+ private static void printUsage(PrintStream out) {
+
+ out.println("extkeytool usage:");
+ out.print("-exportkey [-v] [-rfc] [-alias <alias>] ");
+ out.println("[-keystore <keystore>] ");
+ out.print("\t [-storepass <storepass>] ");
+ out.println("[-storetype <storetype>]");
+ out.print("\t [-keypass <keypass>] ");
+ out.println("[-provider <provider_class_name>] ");
+ out.print("\t [-file <output_file>] ");
+ out.println();out.println();
+
+ out.print("-importkey [-v] [-alias <alias>] ");
+ out.println("[-keyfile <key_file>]");
+ out.print("\t [-keystore <keystore>] ");
+ out.println("[-storepass <storepass>]");
+ out.print("\t [-storetype <storetype>] ");
+ out.println("[-keypass <keypass>] ");
+ out.print("\t [-provider <provider_class_name>] ");
+ out.println("[-certfile <cert_file>] ");
+ out.print("\t [-algorithm <key_algorithm>] ");
+ out.println();
+
+ }
+
+ /**
+ * Auto-enlarging container for bytes.
+ */
+
+ // Sure makes you wish bytes were first class objects.
+
+ private class ByteContainer {
+
+ private byte[] buffer;
+ private int cushion;
+ private int currentSize = 0;
+
+ private ByteContainer(int cushion) {
+ buffer = new byte[cushion];
+ this.cushion = cushion;
+ }
+
+ private void grow() {
+ log.debug("Growing ByteContainer.");
+ int newSize = currentSize + cushion;
+ byte[] b = new byte[newSize];
+ int toCopy = Math.min(currentSize, newSize);
+ int i;
+ for (i = 0; i < toCopy; i++) {
+ b[i] = buffer[i];
+ }
+ buffer = b;
+ }
+
+ /**
+ * Returns an array of the bytes in the container. <p>
+ */
+
+ private byte[] toByteArray() {
+ byte[] b = new byte[currentSize];
+ for (int i = 0; i < currentSize; i++) {
+ b[i] = buffer[i];
+ }
+ return b;
+ }
+
+ /**
+ * Add one byte to the end of the container.
+ */
+
+ private void append(byte b) {
+ if (currentSize == buffer.length) {
+ grow();
+ }
+ buffer[currentSize] = b;
+ currentSize++;
+ }
+
+ }
+
+ /**
+ * Signals that an error was encounted while using <code>ExtKeyTool</code> functions.
+ */
+
+ protected class ExtKeyToolException extends Exception {
+
+ protected ExtKeyToolException(String message) {
+ super(message);
+ }
+ }
+
+ /**
+ * Signals that an error occurred while trying to constuct a
+ * certificate chain.
+ */
+
+ protected class InvalidCertificateChainException extends ExtKeyToolException {
+
+ protected InvalidCertificateChainException(String message) {
+ super(message);
+ }
+ }
+
+}