src/moonshot-server.vala

   1 /*
   2  * Copyright (c) 2011-2014, JANET(UK)
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  *
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * 3. Neither the name of JANET(UK) nor the names of its contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31 */
  32 #if IPC_DBUS
  33
  34 [DBus (name = "org.janet.Moonshot")]
  35 public class MoonshotServer : Object {
  36
  37     private static Log4Vala.Logger logger = get_logger("MoonshotServer");
  38
  39     private string app_name = "Moonshot";
  40
  41     private IdentityManagerApp parent_app;
  42
  43     public MoonshotServer (IdentityManagerApp app)
  44     {
  45         logger.trace("MoonshotServer.<constructor>; app=" + (app == null ? "null" : "non-null"));
  46         this.parent_app = app;
  47     }
  48
  49     public bool show_ui()
  50     {
  51         logger.trace("MoonshotServer.show_ui");
  52
  53         if (parent_app.view == null) {
  54             stderr.printf(app_name, "show_ui: parent_app.view is null!\n");
  55             logger.warn("show_ui: parent_app.view is null!");
  56             return false;
  57         }
  58         parent_app.show();
  59         parent_app.explicitly_launched = true;
  60         logger.trace("MoonshotServer.show_ui: returning true");
  61         return true;
  62     }
  63
  64     private async bool get_identity(string nai,
  65                                     string password,
  66                                     string service,
  67                                     out string nai_out,
  68                                     out string password_out,
  69                                     out string server_certificate_hash,
  70                                     out string ca_certificate,
  71                                     out string subject_name_constraint,
  72                                     out string subject_alt_name_constraint)
  73     {
  74         logger.trace(@"MoonshotServer.get_identity: nai='$nai'; service='$service'");
  75
  76         var request = new IdentityRequest(parent_app,
  77                                           nai,
  78                                           password,
  79                                           service);
  80         request.set_callback((IdentityRequest) => get_identity.callback());
  81         logger.trace(@"MoonshotServer.get_identity: Calling request.execute()");
  82         request.execute();
  83         logger.trace(@"MoonshotServer.get_identity: Back from request.execute()");
  84         yield;
  85         logger.trace(@"MoonshotServer.get_identity: back from yield");
  86
  87         nai_out = "";
  88         password_out = "";
  89         server_certificate_hash = "";
  90         ca_certificate = "";
  91         subject_name_constraint = "";
  92         subject_alt_name_constraint = "";
  93
  94         var id_card = request.id_card;
  95
  96         if ((id_card != null) && (id_card.display_name != IdCard.NO_IDENTITY)) {
  97             nai_out = id_card.nai;
  98             if ((request.password != null) && (request.password != ""))
  99                 password_out = request.password;
 100             else
 101                 password_out = id_card.password;
 102
 103             server_certificate_hash = id_card.trust_anchor.server_cert;
 104             ca_certificate = id_card.trust_anchor.ca_cert;
 105             subject_name_constraint = id_card.trust_anchor.subject;
 106             subject_alt_name_constraint = id_card.trust_anchor.subject_alt;
 107
 108             if (nai_out == null)
 109                 nai_out = "";
 110             if (password_out == null)
 111                 password_out = "";
 112             if (server_certificate_hash == null)
 113                 server_certificate_hash = "";
 114             if (ca_certificate == null)
 115                 ca_certificate = "";
 116             if (subject_name_constraint == null)
 117                 subject_name_constraint = "";
 118             if (subject_alt_name_constraint == null)
 119                 subject_alt_name_constraint = "";
 120
 121             logger.trace("MoonshotServer.get_identity: returning true");
 122
 123             return true;
 124         }
 125
 126         logger.trace("MoonshotServer.get_identity: returning false");
 127         return false;
 128     }
 129
 130     public async bool get_default_identity(out string nai_out,
 131                                            out string password_out,
 132                                            out string server_certificate_hash,
 133                                            out string ca_certificate,
 134                                            out string subject_name_constraint,
 135                                            out string subject_alt_name_constraint)
 136     {
 137         logger.trace("MoonshotServer.get_default_identity");
 138
 139         var request = new IdentityRequest.default(parent_app);
 140         request.set_callback((IdentityRequest) => get_default_identity.callback());
 141         request.execute();
 142         yield;
 143
 144         nai_out = "";
 145         password_out = "";
 146         server_certificate_hash = "";
 147         ca_certificate = "";
 148         subject_name_constraint = "";
 149         subject_alt_name_constraint = "";
 150
 151         if (request.id_card != null)
 152         {
 153             nai_out = request.id_card.nai;
 154             password_out = request.id_card.password;
 155
 156             server_certificate_hash = request.id_card.trust_anchor.server_cert;
 157             ca_certificate = request.id_card.trust_anchor.ca_cert;
 158             subject_name_constraint = request.id_card.trust_anchor.subject;
 159             subject_alt_name_constraint = request.id_card.trust_anchor.subject_alt;
 160
 161             if (nai_out == null)
 162                 nai_out = "";
 163             if (password_out == null)
 164                 password_out = "";
 165             if (server_certificate_hash == null)
 166                 server_certificate_hash = "";
 167             if (ca_certificate == null)
 168                 ca_certificate = "";
 169             if (subject_name_constraint == null)
 170                 subject_name_constraint = "";
 171             if (subject_alt_name_constraint == null)
 172                 subject_alt_name_constraint = "";
 173
 174             logger.trace("MoonshotServer.get_default_identity: returning true");
 175             return true;
 176         }
 177
 178         return false;
 179     }
 180
 181     public bool install_id_card(string   display_name,
 182                                 string   user_name,
 183                                 string   ?password,
 184                                 string   ?realm,
 185                                 string[] ?rules_patterns,
 186                                 string[] ?rules_always_confirm,
 187                                 string[] ?services,
 188                                 string   ?ca_cert,
 189                                 string   ?subject,
 190                                 string   ?subject_alt,
 191                                 string   ?server_cert,
 192                                 int      force_flat_file_store)
 193     {
 194         IdCard idcard = new IdCard();
 195
 196         idcard.display_name = display_name;
 197         idcard.username = user_name;
 198         idcard.password = password;
 199         if ((password != null) && (password != ""))
 200             idcard.store_password = true;
 201         idcard.issuer = realm;
 202         idcard.services = services;
 203         idcard.trust_anchor.ca_cert = ca_cert;
 204         idcard.trust_anchor.subject = subject;
 205         idcard.trust_anchor.subject_alt = subject_alt;
 206         idcard.trust_anchor.server_cert = server_cert;
 207
 208         if (rules_patterns.length == rules_always_confirm.length)
 209         {
 210             /* workaround Centos vala array property bug: use temp array */
 211             Rule[] rules = new Rule[rules_patterns.length];
 212
 213             for (int i = 0; i < rules.length; i++)
 214             {
 215                 rules[i].pattern = rules_patterns[i];
 216                 rules[i].always_confirm = rules_always_confirm[i];
 217             }
 218             idcard.rules = rules;
 219         }
 220
 221         return parent_app.add_identity(idcard, force_flat_file_store!=0);
 222     }
 223
 224
 225     public int install_from_file(string file_name)
 226     {
 227         var webp = new WebProvisioning.Parser(file_name);
 228
 229         webp.parse();
 230         bool result = false;
 231         int installed_cards = 0;
 232         foreach (IdCard card in WebProvisioning.cards)
 233         {
 234             string[] rules_patterns = {};
 235             string[] rules_always_confirm = {};
 236
 237             if (card.rules.length > 0)
 238             {
 239                 int i = 0;
 240                 rules_patterns = new string[card.rules.length];
 241                 rules_always_confirm = new string[card.rules.length];
 242                 foreach (Rule r in card.rules)
 243                 {
 244                     rules_patterns[i] = r.pattern;
 245                     rules_always_confirm[i] = r.always_confirm;
 246                     i++;
 247                 }
 248             }
 249
 250             result = install_id_card(card.display_name,
 251                                      card.username,
 252                                      card.password,
 253                                      card.issuer,
 254                                      rules_patterns,
 255                                      rules_always_confirm,
 256                                      card.services,
 257                                      card.trust_anchor.ca_cert,
 258                                      card.trust_anchor.subject,
 259                                      card.trust_anchor.subject_alt,
 260                                      card.trust_anchor.server_cert,
 261                                      0);
 262             if (result) {
 263                 installed_cards++;
 264             }
 265         }
 266         return installed_cards;
 267     }
 268 }
 269
 270
 271 #elif IPC_MSRPC
 272
 273 using Rpc;
 274 using MoonshotRpcInterface;
 275
 276 /* This class must be a singleton, because we use a global RPC
 277  * binding handle. I cannot picture a situation where more than
 278  * one instance of the same interface would be needed so this
 279  * shouldn't be a problem.
 280  *
 281  * Shutdown is automatically done by the RPC runtime when the
 282  * process ends
 283  */
 284 public class MoonshotServer : Object {
 285     private static IdentityManagerApp parent_app;
 286
 287     private static MoonshotServer instance = null;
 288
 289     public static void start(IdentityManagerApp app)
 290     {
 291         parent_app = app;
 292         Rpc.server_start(MoonshotRpcInterface.spec, "/org/janet/Moonshot", Rpc.Flags.PER_USER);
 293     }
 294
 295     public static MoonshotServer get_instance()
 296     {
 297         if (instance == null)
 298             instance = new MoonshotServer();
 299         return instance;
 300     }
 301
 302     [CCode (cname = "moonshot_get_identity_rpc")]
 303     public static void get_identity(Rpc.AsyncCall call,
 304                                     string nai,
 305                                     string password,
 306                                     string service,
 307                                     ref string nai_out,
 308                                     ref string password_out,
 309                                     ref string server_certificate_hash,
 310                                     ref string ca_certificate,
 311                                     ref string subject_name_constraint,
 312                                     ref string subject_alt_name_constraint)
 313     {
 314         logger.trace("(static) get_identity");
 315
 316         bool result = false;
 317
 318         var request = new IdentityRequest(parent_app,
 319                                           nai,
 320                                           password,
 321                                           service);
 322
 323         // Pass execution to the main loop and block the RPC thread
 324         request.mutex = new Mutex();
 325         request.cond = new Cond();
 326         request.set_callback(return_identity_cb);
 327
 328         request.mutex.lock();
 329         Idle.add(request.execute);
 330
 331         while (request.complete == false)
 332             request.cond.wait(request.mutex);
 333
 334         nai_out = "";
 335         password_out = "";
 336         server_certificate_hash = "";
 337         ca_certificate = "";
 338         subject_name_constraint = "";
 339         subject_alt_name_constraint = "";
 340
 341         var id_card = request.id_card;
 342
 343         if (id_card != null) {
 344             // The strings are freed by the RPC runtime
 345             nai_out = id_card.nai;
 346             password_out = id_card.password;
 347             server_certificate_hash = id_card.trust_anchor.server_cert;
 348             ca_certificate = id_card.trust_anchor.ca_cert;
 349             subject_name_constraint = id_card.trust_anchor.subject;
 350             subject_alt_name_constraint = id_card.trust_anchor.subject_alt;
 351
 352             return_if_fail(nai_out != null);
 353             return_if_fail(password_out != null);
 354             return_if_fail(server_certificate_hash != null);
 355             return_if_fail(ca_certificate != null);
 356             return_if_fail(subject_name_constraint != null);
 357             return_if_fail(subject_alt_name_constraint != null);
 358
 359             result = true;
 360         }
 361
 362         // The outputs must be set before this function is called. For this
 363         // reason they are 'ref' not 'out' parameters - Vala assigns to the
 364         // 'out' parameters only at the end of the function, which is too
 365         // late.
 366         call.return(&result);
 367
 368         request.cond.signal();
 369         request.mutex.unlock();
 370     }
 371
 372     [CCode (cname = "moonshot_get_default_identity_rpc")]
 373     public static void get_default_identity(Rpc.AsyncCall call,
 374                                             ref string nai_out,
 375                                             ref string password_out,
 376                                             ref string server_certificate_hash,
 377                                             ref string ca_certificate,
 378                                             ref string subject_name_constraint,
 379                                             ref string subject_alt_name_constraint)
 380     {
 381         logger.trace("(static) get_default_identity");
 382
 383         bool result;
 384
 385         var request = new IdentityRequest.default(parent_app);
 386         request.mutex = new Mutex();
 387         request.cond = new Cond();
 388         request.set_callback(return_identity_cb);
 389
 390         request.mutex.lock();
 391         Idle.add(request.execute);
 392
 393         while (request.complete == false)
 394             request.cond.wait(request.mutex);
 395
 396         nai_out = "";
 397         password_out = "";
 398         server_certificate_hash = "";
 399         ca_certificate = "";
 400         subject_name_constraint = "";
 401         subject_alt_name_constraint = "";
 402
 403         if (request.id_card != null)
 404         {
 405             nai_out = request.id_card.nai;
 406             password_out = request.id_card.password;
 407             server_certificate_hash = "certificate";
 408
 409             return_if_fail(nai_out != null);
 410             return_if_fail(password_out != null);
 411             return_if_fail(server_certificate_hash != null);
 412             return_if_fail(ca_certificate != null);
 413             return_if_fail(subject_name_constraint != null);
 414             return_if_fail(subject_alt_name_constraint != null);
 415
 416             result = true;
 417         }
 418         else
 419         {
 420             result = false;
 421         }
 422
 423         call.return(&result);
 424
 425         request.cond.signal();
 426         request.mutex.unlock();
 427     }
 428
 429     // Called from the main loop thread when an identity has
 430     // been selected
 431     static void return_identity_cb(IdentityRequest request) {
 432         // Notify the RPC thread that the request is complete
 433         request.mutex.lock();
 434         request.cond.signal();
 435
 436         // Block the main loop until the RPC call has returned
 437         // to avoid any races
 438         request.cond.wait(request.mutex);
 439         request.mutex.unlock();
 440     }
 441
 442     [CCode (cname = "moonshot_install_id_card_rpc")]
 443     public static bool install_id_card(string     display_name,
 444                                        string     user_name,
 445                                        string     password,
 446                                        string     realm,
 447                                        string[]   rules_patterns,
 448                                        string[]   rules_always_confirm,
 449                                        string[]   services,
 450                                        string     ca_cert,
 451                                        string     subject,
 452                                        string     subject_alt,
 453                                        string     server_cert,
 454                                        bool       force_flat_file_store)
 455     {
 456         logger.trace("(static) install_id_card");
 457
 458         IdCard idcard = new IdCard();
 459         bool success = false;
 460         Mutex mutex = new Mutex();
 461         Cond cond = new Cond();
 462
 463         idcard.display_name = display_name;
 464         idcard.username = user_name;
 465         idcard.password = password;
 466         idcard.issuer = realm;
 467         idcard.services = services;
 468         idcard.trust_anchor.ca_cert = ca_cert;
 469         idcard.trust_anchor.subject = subject;
 470         idcard.trust_anchor.subject_alt = subject_alt;
 471         idcard.trust_anchor.server_cert = server_cert;
 472
 473         if (rules_patterns.length == rules_always_confirm.length)
 474         {
 475             idcard.rules = new Rule[rules_patterns.length];
 476
 477             for (int i = 0; i < idcard.rules.length; i++)
 478             {
 479                 idcard.rules[i].pattern = rules_patterns[i];
 480                 idcard.rules[i].always_confirm = rules_always_confirm[i];
 481             }
 482         }
 483
 484         mutex.lock();
 485
 486         // Defer addition to the main loop thread.
 487         Idle.add(() => {
 488                 mutex.lock();
 489                 success = parent_app.add_identity(idcard, force_flat_file_store);
 490                 cond.signal();
 491                 mutex.unlock();
 492                 return false;
 493             });
 494
 495         cond.wait(mutex);
 496         mutex.unlock();
 497
 498         return success;
 499     }
 500
 501 }
 502
 503
 504 #endif