Source Code Cross Referenced for SecureSocketFactory.java in  » Database-DBMS » h2database » org » h2 » security » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » h2database » org.h2.security 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright 2004-2008 H2 Group. Licensed under the H2 License, Version 1.0
003:         * (http://h2database.com/html/license.html).
004:         * Initial Developer: H2 Group
005:         */
006:        package org.h2.security;
007:
008:        import java.io.ByteArrayInputStream;
009:        import java.io.ByteArrayOutputStream;
010:        import java.io.IOException;
011:        import java.io.InputStream;
012:        import java.io.OutputStream;
013:        import java.net.InetAddress;
014:        import java.net.ServerSocket;
015:        import java.net.Socket;
016:        import java.security.KeyFactory;
017:        import java.security.KeyStore;
018:        import java.security.PrivateKey;
019:        import java.security.cert.Certificate;
020:        import java.security.cert.CertificateFactory;
021:        import java.security.spec.PKCS8EncodedKeySpec;
022:        import java.sql.SQLException;
023:        import java.util.Properties;
024:
025:        import javax.net.ServerSocketFactory;
026:        import javax.net.ssl.SSLServerSocket;
027:        import javax.net.ssl.SSLServerSocketFactory;
028:        import javax.net.ssl.SSLSocket;
029:        import javax.net.ssl.SSLSocketFactory;
030:
031:        import org.h2.message.Message;
032:        import org.h2.util.ByteUtils;
033:        import org.h2.util.FileUtils;
034:        import org.h2.util.IOUtils;
035:        import org.h2.util.NetUtils;
036:
037:        /**
038:         * A factory to create encrypted sockets. To generate new keystore, use the
039:         * SecureKeyStoreBuilder tool.
040:         */
041:        public class SecureSocketFactory {
042:
043:            private static final String KEYSTORE = ".h2.keystore";
044:            private static final String KEYSTORE_KEY = "javax.net.ssl.keyStore";
045:            private static final String KEYSTORE_PASSWORD_KEY = "javax.net.ssl.keyStorePassword";
046:            public static final String KEYSTORE_PASSWORD = "h2pass";
047:
048:            // TODO security / SSL: need a way to disable anonymous ssl
049:            private static final boolean ENABLE_ANONYMOUS_SSL = true;
050:            private static SecureSocketFactory factory;
051:            private static final String ANONYMOUS_CIPHER_SUITE = "SSL_DH_anon_WITH_RC4_128_MD5";
052:
053:            private static void setFactory(SecureSocketFactory f) {
054:                factory = f;
055:            }
056:
057:            public static SecureSocketFactory getInstance() {
058:                if (factory == null) {
059:                    setFactory(new SecureSocketFactory());
060:                }
061:                return factory;
062:            }
063:
064:            public Socket createSocket(InetAddress address, int port)
065:                    throws IOException {
066:                Socket socket = null;
067:                //#ifdef JDK14
068:                setKeystore();
069:                SSLSocketFactory f = (SSLSocketFactory) SSLSocketFactory
070:                        .getDefault();
071:                SSLSocket secureSocket = (SSLSocket) f.createSocket(address,
072:                        port);
073:                if (ENABLE_ANONYMOUS_SSL) {
074:                    String[] list = secureSocket.getEnabledCipherSuites();
075:                    list = addAnonymous(list);
076:                    secureSocket.setEnabledCipherSuites(list);
077:                }
078:                socket = secureSocket;
079:                //#endif
080:                return socket;
081:            }
082:
083:            public ServerSocket createServerSocket(int port)
084:                    throws IOException, SQLException {
085:                ServerSocket socket = null;
086:                //#ifdef JDK14
087:                setKeystore();
088:                ServerSocketFactory f = SSLServerSocketFactory.getDefault();
089:                SSLServerSocket secureSocket;
090:                InetAddress bindAddress = NetUtils.getBindAddress();
091:                if (bindAddress == null) {
092:                    secureSocket = (SSLServerSocket) f.createServerSocket(port);
093:                } else {
094:                    secureSocket = (SSLServerSocket) f.createServerSocket(port,
095:                            0, bindAddress);
096:                }
097:                if (ENABLE_ANONYMOUS_SSL) {
098:                    String[] list = secureSocket.getEnabledCipherSuites();
099:                    list = addAnonymous(list);
100:                    secureSocket.setEnabledCipherSuites(list);
101:                }
102:                socket = secureSocket;
103:                //#endif
104:                return socket;
105:            }
106:
107:            //#ifdef JDK14
108:            private static byte[] getBytes(String hex) throws SQLException {
109:                return ByteUtils.convertStringToBytes(hex);
110:            }
111:
112:            private static byte[] getKeyStoreBytes(KeyStore store,
113:                    String password) throws IOException {
114:                ByteArrayOutputStream bout = new ByteArrayOutputStream();
115:                try {
116:                    store.store(bout, KEYSTORE_PASSWORD.toCharArray());
117:                } catch (Exception e) {
118:                    throw Message.convertToIOException(e);
119:                }
120:                return bout.toByteArray();
121:            }
122:
123:            public static KeyStore getKeyStore(String password)
124:                    throws IOException {
125:                try {
126:                    // The following source code can be re-generated 
127:                    // if you have a keystore file.
128:                    // This code is (hopefully) more Java version independent 
129:                    // than using keystores directly. See also: 
130:                    // http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4887561 
131:                    // (1.4.2 cannot read keystore written with 1.4.1)
132:                    // --- generated code start ---
133:
134:                    KeyStore store = KeyStore.getInstance(KeyStore
135:                            .getDefaultType());
136:
137:                    store.load(null, password.toCharArray());
138:                    KeyFactory keyFactory = KeyFactory.getInstance("RSA");
139:                    store.load(null, password.toCharArray());
140:                    PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(
141:                            getBytes("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"));
142:                    PrivateKey privateKey = keyFactory.generatePrivate(keySpec);
143:                    Certificate[] certs = new Certificate[] { CertificateFactory
144:                            .getInstance("X.509")
145:                            .generateCertificate(
146:                                    new ByteArrayInputStream(
147:                                            getBytes("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"))), };
148:                    store.setKeyEntry("h2", privateKey, password.toCharArray(),
149:                            certs);
150:                    // --- generated code end ---
151:                    return store;
152:                } catch (Exception e) {
153:                    throw Message.convertToIOException(e);
154:                }
155:            }
156:
157:            private void setKeystore() throws IOException {
158:                Properties p = System.getProperties();
159:                if (p.getProperty(KEYSTORE_KEY) == null) {
160:                    String fileName = FileUtils.getFileInUserHome(KEYSTORE);
161:                    byte[] data = getKeyStoreBytes(
162:                            getKeyStore(KEYSTORE_PASSWORD), KEYSTORE_PASSWORD);
163:                    boolean needWrite = true;
164:                    if (FileUtils.exists(fileName)
165:                            && FileUtils.length(fileName) == data.length) {
166:                        // don't need to overwrite the file if it did not change
167:                        InputStream fin = FileUtils
168:                                .openFileInputStream(fileName);
169:                        byte[] now = IOUtils.readBytesAndClose(fin, 0);
170:                        if (now != null
171:                                && ByteUtils.compareNotNull(data, now) == 0) {
172:                            needWrite = false;
173:                        }
174:                    }
175:                    if (needWrite) {
176:                        try {
177:                            OutputStream out = FileUtils.openFileOutputStream(
178:                                    fileName, false);
179:                            out.write(data);
180:                            out.close();
181:                        } catch (SQLException e) {
182:                            throw Message.convertToIOException(e);
183:                        }
184:                    }
185:                    String absolutePath = FileUtils.getAbsolutePath(fileName);
186:                    System.setProperty(KEYSTORE_KEY, absolutePath);
187:                }
188:                if (p.getProperty(KEYSTORE_PASSWORD_KEY) == null) {
189:                    System
190:                            .setProperty(KEYSTORE_PASSWORD_KEY,
191:                                    KEYSTORE_PASSWORD);
192:                }
193:            }
194:
195:            private String[] addAnonymous(String[] list) {
196:                String[] newList = new String[list.length + 1];
197:                System.arraycopy(list, 0, newList, 1, list.length);
198:                newList[0] = ANONYMOUS_CIPHER_SUITE;
199:                return newList;
200:            }
201:
202:            //#endif
203:
204:        }
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