src/org/cacert/gigi/Launcher.java

   1 package org.cacert.gigi;
   2
   3 import java.io.ByteArrayInputStream;
   4 import java.io.File;
   5 import java.io.FileInputStream;
   6 import java.io.InputStream;
   7 import java.io.IOException;
   8 import java.net.HttpURLConnection;
   9 import java.net.InetSocketAddress;
  10 import java.security.GeneralSecurityException;
  11 import java.security.Key;
  12 import java.security.KeyStore;
  13 import java.security.KeyStoreException;
  14 import java.security.NoSuchAlgorithmException;
  15 import java.security.UnrecoverableKeyException;
  16 import java.security.cert.Certificate;
  17 import java.security.cert.CertificateException;
  18 import java.security.cert.CertificateFactory;
  19 import java.security.cert.X509Certificate;
  20 import java.util.List;
  21 import java.util.Locale;
  22 import java.util.Properties;
  23 import java.util.TimeZone;
  24
  25 import javax.net.ssl.ExtendedSSLSession;
  26 import javax.net.ssl.SNIHostName;
  27 import javax.net.ssl.SNIServerName;
  28 import javax.net.ssl.SSLEngine;
  29 import javax.net.ssl.SSLParameters;
  30 import javax.net.ssl.SSLSession;
  31 import javax.servlet.http.HttpServletResponse;
  32
  33 import org.cacert.gigi.api.GigiAPI;
  34 import org.cacert.gigi.email.EmailProvider;
  35 import org.cacert.gigi.natives.SetUID;
  36 import org.cacert.gigi.util.CipherInfo;
  37 import org.cacert.gigi.util.PEM;
  38 import org.cacert.gigi.util.ServerConstants;
  39 import org.eclipse.jetty.http.HttpFields;
  40 import org.eclipse.jetty.http.HttpHeader;
  41 import org.eclipse.jetty.http.HttpVersion;
  42 import org.eclipse.jetty.server.Connector;
  43 import org.eclipse.jetty.server.Handler;
  44 import org.eclipse.jetty.server.HttpConfiguration;
  45 import org.eclipse.jetty.server.HttpConfiguration.Customizer;
  46 import org.eclipse.jetty.server.HttpConnectionFactory;
  47 import org.eclipse.jetty.server.Request;
  48 import org.eclipse.jetty.server.SecureRequestCustomizer;
  49 import org.eclipse.jetty.server.Server;
  50 import org.eclipse.jetty.server.ServerConnector;
  51 import org.eclipse.jetty.server.SessionManager;
  52 import org.eclipse.jetty.server.SslConnectionFactory;
  53 import org.eclipse.jetty.server.handler.ContextHandler;
  54 import org.eclipse.jetty.server.handler.HandlerList;
  55 import org.eclipse.jetty.server.handler.HandlerWrapper;
  56 import org.eclipse.jetty.server.handler.ResourceHandler;
  57 import org.eclipse.jetty.servlet.ErrorPageErrorHandler;
  58 import org.eclipse.jetty.servlet.ServletContextHandler;
  59 import org.eclipse.jetty.servlet.ServletHolder;
  60 import org.eclipse.jetty.util.log.Log;
  61 import org.eclipse.jetty.util.resource.Resource;
  62 import org.eclipse.jetty.util.ssl.SslContextFactory;
  63
  64 public class Launcher {
  65
  66     class ExtendedForwarded implements Customizer {
  67
  68         @Override
  69         public void customize(Connector connector, HttpConfiguration config, Request request) {
  70             HttpFields httpFields = request.getHttpFields();
  71
  72             String ip = httpFields.getStringField("X-Real-IP");
  73             String proto = httpFields.getStringField("X-Real-Proto");
  74             String cert = httpFields.getStringField("X-Client-Cert");
  75             request.setSecure("https".equals(proto));
  76             request.setScheme(proto);
  77             if ( !"https".equals(proto)) {
  78                 cert = null;
  79
  80             }
  81             if (cert != null) {
  82                 X509Certificate[] certs = new X509Certificate[1];
  83                 try {
  84                     certs[0] = (X509Certificate) CertificateFactory.getInstance("X509").generateCertificate(new ByteArrayInputStream(PEM.decode("CERTIFICATE", cert)));
  85                     request.setAttribute("javax.servlet.request.X509Certificate", certs);
  86                 } catch (CertificateException e) {
  87                     e.printStackTrace();
  88                 }
  89             }
  90             if (ip != null) {
  91                 String[] parts = ip.split(":");
  92                 if (parts.length == 2) {
  93                     request.setRemoteAddr(InetSocketAddress.createUnresolved(parts[0], Integer.parseInt(parts[1])));
  94                 }
  95             }
  96
  97         }
  98     }
  99
 100     public static void main(String[] args) throws Exception {
 101         System.setProperty("jdk.tls.ephemeralDHKeySize", "4096");
 102         InputStream in;
 103         if (args.length >= 1) {
 104             in = new FileInputStream(new File(args[0]));
 105         } else {
 106             in = System.in;
 107         }
 108         new Launcher().boot(in);
 109     }
 110
 111     Server s;
 112
 113     GigiConfig conf;
 114
 115     public synchronized void boot(InputStream in) throws Exception {
 116         Locale.setDefault(Locale.ENGLISH);
 117         TimeZone.setDefault(TimeZone.getTimeZone("UTC"));
 118         HttpURLConnection.setFollowRedirects(false);
 119
 120         conf = GigiConfig.parse(in);
 121         ServerConstants.init(conf.getMainProps());
 122         initEmails(conf);
 123
 124         s = new Server();
 125
 126         initConnectors();
 127         initHandlers();
 128
 129         s.start();
 130         if ((ServerConstants.getSecurePort() <= 1024 || ServerConstants.getPort() <= 1024) && !System.getProperty("os.name").toLowerCase().contains("win")) {
 131             SetUID uid = new SetUID();
 132             if ( !uid.setUid(65536 - 2, 65536 - 2).getSuccess()) {
 133                 Log.getLogger(Launcher.class).warn("Couldn't set uid!");
 134             }
 135         }
 136     }
 137
 138     private HttpConfiguration createHttpConfiguration() {
 139         // SSL HTTP Configuration
 140         HttpConfiguration httpsConfig = new HttpConfiguration();
 141         httpsConfig.setSendServerVersion(false);
 142         httpsConfig.setSendXPoweredBy(false);
 143         return httpsConfig;
 144     }
 145
 146     private void initConnectors() throws GeneralSecurityException, IOException {
 147         HttpConfiguration httpConfig = createHttpConfiguration();
 148         if (conf.getMainProps().getProperty("proxy", "false").equals("true")) {
 149             httpConfig.addCustomizer(new ExtendedForwarded());
 150             s.setConnectors(new Connector[] {
 151                     ConnectorsLauncher.createConnector(conf, s, httpConfig, false)
 152             });
 153         } else {
 154             HttpConfiguration httpsConfig = createHttpConfiguration();
 155             // for client-cert auth
 156             httpsConfig.addCustomizer(new SecureRequestCustomizer());
 157             s.setConnectors(new Connector[] {
 158                     ConnectorsLauncher.createConnector(conf, s, httpsConfig, true), ConnectorsLauncher.createConnector(conf, s, httpConfig, false)
 159             });
 160         }
 161     }
 162
 163     private void initEmails(GigiConfig conf) throws GeneralSecurityException, IOException, KeyStoreException, NoSuchAlgorithmException, UnrecoverableKeyException {
 164         KeyStore privateStore = conf.getPrivateStore();
 165         Certificate mail = null;
 166         Key k = null;
 167         if (privateStore != null && privateStore.containsAlias("mail")) {
 168             mail = privateStore.getCertificate("mail");
 169             k = privateStore.getKey("mail", conf.getPrivateStorePw().toCharArray());
 170         }
 171         EmailProvider.initSystem(conf.getMainProps(), mail, k);
 172     }
 173
 174     private static class ConnectorsLauncher {
 175
 176         private ConnectorsLauncher() {}
 177
 178         protected static ServerConnector createConnector(GigiConfig conf, Server s, HttpConfiguration httpConfig, boolean doHttps) throws GeneralSecurityException, IOException {
 179             ServerConnector connector;
 180             if (doHttps) {
 181                 connector = new ServerConnector(s, createConnectionFactory(conf), new HttpConnectionFactory(httpConfig));
 182             } else {
 183                 connector = new ServerConnector(s, new HttpConnectionFactory(httpConfig));
 184             }
 185             connector.setHost(conf.getMainProps().getProperty("host"));
 186             if (doHttps) {
 187                 connector.setPort(ServerConstants.getSecurePort());
 188             } else {
 189                 connector.setPort(ServerConstants.getPort());
 190             }
 191             connector.setAcceptQueueSize(100);
 192             return connector;
 193         }
 194
 195         private static SslConnectionFactory createConnectionFactory(GigiConfig conf) throws GeneralSecurityException, IOException {
 196             final SslContextFactory sslContextFactory = generateSSLContextFactory(conf, "www");
 197             final SslContextFactory secureContextFactory = generateSSLContextFactory(conf, "secure");
 198             secureContextFactory.setWantClientAuth(true);
 199             secureContextFactory.setNeedClientAuth(true);
 200             final SslContextFactory staticContextFactory = generateSSLContextFactory(conf, "static");
 201             final SslContextFactory apiContextFactory = generateSSLContextFactory(conf, "api");
 202             apiContextFactory.setWantClientAuth(true);
 203             try {
 204                 secureContextFactory.start();
 205                 staticContextFactory.start();
 206                 apiContextFactory.start();
 207             } catch (Exception e) {
 208                 e.printStackTrace();
 209             }
 210             return new SslConnectionFactory(sslContextFactory, HttpVersion.HTTP_1_1.asString()) {
 211
 212                 @Override
 213                 public boolean shouldRestartSSL() {
 214                     return true;
 215                 }
 216
 217                 @Override
 218                 public SSLEngine restartSSL(SSLSession sslSession) {
 219                     SSLEngine e2 = null;
 220                     if (sslSession instanceof ExtendedSSLSession) {
 221                         ExtendedSSLSession es = (ExtendedSSLSession) sslSession;
 222                         List<SNIServerName> names = es.getRequestedServerNames();
 223                         for (SNIServerName sniServerName : names) {
 224                             if (sniServerName instanceof SNIHostName) {
 225                                 SNIHostName host = (SNIHostName) sniServerName;
 226                                 String hostname = host.getAsciiName();
 227                                 if (hostname.equals(ServerConstants.getWwwHostName())) {
 228                                     e2 = sslContextFactory.newSSLEngine();
 229                                 } else if (hostname.equals(ServerConstants.getStaticHostName())) {
 230                                     e2 = staticContextFactory.newSSLEngine();
 231                                 } else if (hostname.equals(ServerConstants.getSecureHostName())) {
 232                                     e2 = secureContextFactory.newSSLEngine();
 233                                 } else if (hostname.equals(ServerConstants.getApiHostName())) {
 234                                     e2 = apiContextFactory.newSSLEngine();
 235                                 }
 236                                 break;
 237                             }
 238                         }
 239                     }
 240                     if (e2 == null) {
 241                         e2 = sslContextFactory.newSSLEngine(sslSession.getPeerHost(), sslSession.getPeerPort());
 242                     }
 243                     e2.setUseClientMode(false);
 244                     return e2;
 245                 }
 246             };
 247         }
 248
 249         private static SslContextFactory generateSSLContextFactory(GigiConfig conf, String alias) throws GeneralSecurityException, IOException {
 250             SslContextFactory scf = new SslContextFactory() {
 251
 252                 String[] ciphers = null;
 253
 254                 @Override
 255                 public void customize(SSLEngine sslEngine) {
 256                     super.customize(sslEngine);
 257
 258                     SSLParameters ssl = sslEngine.getSSLParameters();
 259                     ssl.setUseCipherSuitesOrder(true);
 260                     if (ciphers == null) {
 261                         ciphers = CipherInfo.filter(sslEngine.getSupportedCipherSuites());
 262                     }
 263
 264                     ssl.setCipherSuites(ciphers);
 265                     sslEngine.setSSLParameters(ssl);
 266
 267                 }
 268
 269             };
 270             scf.setRenegotiationAllowed(false);
 271
 272             scf.setProtocol("TLS");
 273             scf.setIncludeProtocols("TLSv1", "TLSv1.1", "TLSv1.2");
 274             scf.setTrustStore(conf.getTrustStore());
 275             KeyStore privateStore = conf.getPrivateStore();
 276             scf.setKeyStorePassword(conf.getPrivateStorePw());
 277             scf.setKeyStore(privateStore);
 278             scf.setCertAlias(alias);
 279             return scf;
 280         }
 281     }
 282
 283     private void initHandlers() throws GeneralSecurityException, IOException {
 284         HandlerList hl = new HandlerList();
 285         hl.setHandlers(new Handler[] {
 286                 ContextLauncher.generateStaticContext(), ContextLauncher.generateGigiContexts(conf.getMainProps(), conf.getTrustStore()), ContextLauncher.generateAPIContext()
 287         });
 288         s.setHandler(hl);
 289     }
 290
 291     private static class ContextLauncher {
 292
 293         private ContextLauncher() {}
 294
 295         protected static Handler generateGigiContexts(Properties conf, KeyStore trust) {
 296             ServletHolder webAppServlet = new ServletHolder(new Gigi(conf, trust));
 297
 298             ContextHandler ch = generateGigiServletContext(webAppServlet);
 299             ch.setVirtualHosts(new String[] {
 300                     ServerConstants.getWwwHostName()
 301             });
 302             ContextHandler chSecure = generateGigiServletContext(webAppServlet);
 303             chSecure.setVirtualHosts(new String[] {
 304                     ServerConstants.getSecureHostName()
 305             });
 306
 307             HandlerList hl = new HandlerList();
 308             hl.setHandlers(new Handler[] {
 309                     ch, chSecure
 310             });
 311             return hl;
 312         }
 313
 314         private static ContextHandler generateGigiServletContext(ServletHolder webAppServlet) {
 315             final ResourceHandler rh = generateResourceHandler();
 316             rh.setResourceBase("static/www");
 317
 318             HandlerWrapper hw = new PolicyRedirector();
 319             hw.setHandler(rh);
 320
 321             ServletContextHandler servlet = new ServletContextHandler(ServletContextHandler.SESSIONS);
 322             servlet.setInitParameter(SessionManager.__SessionCookieProperty, "SomeCA-Session");
 323             servlet.addServlet(webAppServlet, "/*");
 324             ErrorPageErrorHandler epeh = new ErrorPageErrorHandler();
 325             epeh.addErrorPage(404, "/error");
 326             epeh.addErrorPage(403, "/denied");
 327             servlet.setErrorHandler(epeh);
 328
 329             HandlerList hl = new HandlerList();
 330             hl.setHandlers(new Handler[] {
 331                     hw, servlet
 332             });
 333
 334             ContextHandler ch = new ContextHandler();
 335             ch.setHandler(hl);
 336             return ch;
 337         }
 338
 339         protected static Handler generateStaticContext() {
 340             final ResourceHandler rh = generateResourceHandler();
 341             rh.setResourceBase("static/static");
 342
 343             ContextHandler ch = new ContextHandler();
 344             ch.setHandler(rh);
 345             ch.setVirtualHosts(new String[] {
 346                     ServerConstants.getStaticHostName()
 347             });
 348
 349             return ch;
 350         }
 351
 352         private static ResourceHandler generateResourceHandler() {
 353             ResourceHandler rh = new ResourceHandler() {
 354
 355                 @Override
 356                 protected void doResponseHeaders(HttpServletResponse response, Resource resource, String mimeType) {
 357                     super.doResponseHeaders(response, resource, mimeType);
 358                     response.setDateHeader(HttpHeader.EXPIRES.asString(), System.currentTimeMillis() + 1000L * 60 * 60 * 24 * 7);
 359                 }
 360             };
 361             rh.setEtags(true);
 362             return rh;
 363         }
 364
 365         protected static Handler generateAPIContext() {
 366             ServletContextHandler sch = new ServletContextHandler();
 367
 368             sch.addVirtualHosts(new String[] {
 369                     ServerConstants.getApiHostName()
 370             });
 371             sch.addServlet(new ServletHolder(new GigiAPI()), "/*");
 372             return sch;
 373         }
 374
 375     }
 376
 377 }