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