src/org/cacert/gigi/Launcher.java

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