mcs/class/corlib/System/AppDomain.cs

   1 //
   2 // System.AppDomain.cs
   3 //
   4 // Authors:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //   Dietmar Maurer (dietmar@ximian.com)
   7 //   Miguel de Icaza (miguel@ximian.com)
   8 //   Gonzalo Paniagua (gonzalo@ximian.com)
   9 //   Patrik Torstensson
  10 //   Sebastien Pouliot (sebastien@ximian.com)
  11 //
  12 // (C) 2001, 2002 Ximian, Inc.  http://www.ximian.com
  13 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  14 // Copyright 2011 Xamarin Inc (http://www.xamarin.com).
  15 //
  16 // Permission is hereby granted, free of charge, to any person obtaining
  17 // a copy of this software and associated documentation files (the
  18 // "Software"), to deal in the Software without restriction, including
  19 // without limitation the rights to use, copy, modify, merge, publish,
  20 // distribute, sublicense, and/or sell copies of the Software, and to
  21 // permit persons to whom the Software is furnished to do so, subject to
  22 // the following conditions:
  23 //
  24 // The above copyright notice and this permission notice shall be
  25 // included in all copies or substantial portions of the Software.
  26 //
  27 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  31 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  32 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  33 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  34 //
  35
  36 using System.Globalization;
  37 using System.IO;
  38 using System.Reflection;
  39 #if !FULL_AOT_RUNTIME
  40 using System.Reflection.Emit;
  41 #endif
  42 using System.Threading;
  43 using System.Runtime.CompilerServices;
  44 using System.Runtime.ExceptionServices;
  45 using System.Runtime.InteropServices;
  46 using System.Runtime.Remoting;
  47 using System.Runtime.Remoting.Contexts;
  48 using System.Runtime.Remoting.Channels;
  49 using System.Runtime.Remoting.Messaging;
  50 using System.Security;
  51 using System.Security.Permissions;
  52 using System.Security.Policy;
  53 using System.Security.Principal;
  54 using System.Configuration.Assemblies;
  55
  56 using System.Collections.Generic;
  57 using System.Runtime.ConstrainedExecution;
  58 using System.Text;
  59
  60 namespace System {
  61
  62         [ComVisible (true)]
  63 #if !MOBILE
  64         [ComDefaultInterface (typeof (_AppDomain))]
  65 #endif
  66         [ClassInterface(ClassInterfaceType.None)]
  67         [StructLayout (LayoutKind.Sequential)]
  68 #if MOBILE
  69         public sealed partial class AppDomain : MarshalByRefObject {
  70 #else
  71         public sealed partial class AppDomain : MarshalByRefObject, _AppDomain, IEvidenceFactory {
  72 #endif
  73         #pragma warning disable 169
  74         #region Sync with object-internals.h
  75                 IntPtr _mono_app_domain;
  76                 #endregion
  77         #pragma warning restore 169
  78                 static string _process_guid;
  79
  80                 [ThreadStatic]
  81                 static Dictionary<string, object> type_resolve_in_progress;
  82
  83                 [ThreadStatic]
  84                 static Dictionary<string, object> assembly_resolve_in_progress;
  85
  86                 [ThreadStatic]
  87                 static Dictionary<string, object> assembly_resolve_in_progress_refonly;
  88 #if !MOBILE
  89                 // CAS
  90                 private Evidence _evidence;
  91                 private PermissionSet _granted;
  92
  93                 // non-CAS
  94                 private PrincipalPolicy _principalPolicy;
  95
  96                 [ThreadStatic]
  97                 private static IPrincipal _principal;
  98 #else
  99                 object _evidence;
 100                 object _granted;
 101
 102                 // non-CAS
 103                 int _principalPolicy;
 104
 105                 [ThreadStatic]
 106                 static object _principal;
 107 #endif
 108
 109
 110                 static AppDomain default_domain;
 111
 112                 private AppDomain ()
 113                 {
 114                 }
 115
 116                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 117                 private extern AppDomainSetup getSetup ();
 118
 119 #if NET_2_1
 120                 internal
 121 #endif
 122                 AppDomainSetup SetupInformationNoCopy {
 123                         get { return getSetup (); }
 124                 }
 125
 126                 public AppDomainSetup SetupInformation {
 127                         get {
 128                                 AppDomainSetup setup = getSetup ();
 129                                 return new AppDomainSetup (setup);
 130                         }
 131                 }
 132
 133 #if !NET_2_1
 134                 [MonoTODO]
 135                 public ApplicationTrust ApplicationTrust {
 136                         get { throw new NotImplementedException (); }
 137                 }
 138 #endif
 139                 public string BaseDirectory {
 140                         get {
 141                                 string path = SetupInformationNoCopy.ApplicationBase;
 142 #if !NET_2_1
 143                                 if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 144                                         // we cannot divulge local file informations
 145                                         new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 146                                 }
 147 #endif
 148                                 return path;
 149                         }
 150                 }
 151
 152                 public string RelativeSearchPath {
 153                         get {
 154                                 string path = SetupInformationNoCopy.PrivateBinPath;
 155 #if !NET_2_1
 156                                 if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 157                                         // we cannot divulge local file informations
 158                                         new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 159                                 }
 160 #endif
 161                                 return path;
 162                         }
 163                 }
 164
 165                 public string DynamicDirectory {
 166                         get {
 167                                 AppDomainSetup setup = SetupInformationNoCopy;
 168                                 if (setup.DynamicBase == null)
 169                                         return null;
 170
 171                                 string path = Path.Combine (setup.DynamicBase, setup.ApplicationName);
 172 #if !NET_2_1
 173                                 if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 174                                         // we cannot divulge local file informations
 175                                         new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 176                                 }
 177 #endif
 178                                 return path;
 179                         }
 180                 }
 181
 182                 public bool ShadowCopyFiles {
 183                         get {
 184                                 return (SetupInformationNoCopy.ShadowCopyFiles == "true");
 185                         }
 186                 }
 187
 188                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 189                 private extern string getFriendlyName ();
 190
 191                 public string FriendlyName {
 192                         get {
 193                                 return getFriendlyName ();
 194                         }
 195                 }
 196
 197                 public Evidence Evidence {
 198                         get {
 199 #if MONOTOUCH
 200                                 return null;
 201 #else
 202                                 // if the host (runtime) hasn't provided it's own evidence...
 203                                 if (_evidence == null) {
 204                                         // ... we will provide our own
 205                                         lock (this) {
 206                                                 // the executed assembly from the "default" appdomain
 207                                                 // or null if we're not in the default appdomain or
 208                                                 // if there is no entry assembly (embedded mono)
 209                                                 Assembly a = Assembly.GetEntryAssembly ();
 210                                                 if (a == null) {
 211                                                         if (this == DefaultDomain)
 212                                                                 // mono is embedded
 213                                                                 return new Evidence ();
 214                                                         else
 215                                                                 _evidence = AppDomain.DefaultDomain.Evidence;
 216                                                 } else {
 217                                                         _evidence = Evidence.GetDefaultHostEvidence (a);
 218                                                 }
 219                                         }
 220                                 }
 221                                 return new Evidence ((Evidence)_evidence);      // return a copy
 222 #endif
 223                         }
 224                 }
 225
 226                 internal IPrincipal DefaultPrincipal {
 227                         get {
 228                                 if (_principal == null) {
 229                                         switch ((PrincipalPolicy)_principalPolicy) {
 230                                                 case PrincipalPolicy.UnauthenticatedPrincipal:
 231                                                         _principal = new GenericPrincipal (
 232                                                                 new GenericIdentity (String.Empty, String.Empty), null);
 233                                                         break;
 234                                                 case PrincipalPolicy.WindowsPrincipal:
 235                                                         _principal = new WindowsPrincipal (WindowsIdentity.GetCurrent ());
 236                                                         break;
 237                                         }
 238                                 }
 239                                 return (IPrincipal)_principal;
 240                         }
 241                 }
 242
 243                 // for AppDomain there is only an allowed (i.e. granted) set
 244                 // http://msdn.microsoft.com/library/en-us/cpguide/html/cpcondetermininggrantedpermissions.asp
 245                 internal PermissionSet GrantedPermissionSet {
 246                         get { return (PermissionSet)_granted; }
 247                 }
 248
 249                 public PermissionSet PermissionSet {
 250                         get { return (PermissionSet)_granted ?? (PermissionSet)(_granted = new PermissionSet (PermissionState.Unrestricted)); }
 251                 }
 252
 253                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 254                 private static extern AppDomain getCurDomain ();
 255
 256                 public static AppDomain CurrentDomain {
 257                         get {
 258                                 return getCurDomain ();
 259                         }
 260                 }
 261
 262                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 263                 private static extern AppDomain getRootDomain ();
 264
 265                 internal static AppDomain DefaultDomain {
 266                         get {
 267                                 if (default_domain == null) {
 268                                         AppDomain rd = getRootDomain ();
 269                                         if (rd == CurrentDomain)
 270                                                 default_domain = rd;
 271                                         else
 272                                                 default_domain = (AppDomain) RemotingServices.GetDomainProxy (rd);
 273                                 }
 274                                 return default_domain;
 275                         }
 276                 }
 277
 278                 [Obsolete ("AppDomain.AppendPrivatePath has been deprecated. Please investigate the use of AppDomainSetup.PrivateBinPath instead.")]
 279                 [SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
 280                 public void AppendPrivatePath (string path)
 281                 {
 282                         if (path == null || path.Length == 0)
 283                                 return;
 284
 285                         AppDomainSetup setup = SetupInformationNoCopy;
 286
 287                         string pp = setup.PrivateBinPath;
 288                         if (pp == null || pp.Length == 0) {
 289                                 setup.PrivateBinPath = path;
 290                                 return;
 291                         }
 292
 293                         pp = pp.Trim ();
 294                         if (pp [pp.Length - 1] != Path.PathSeparator)
 295                                 pp += Path.PathSeparator;
 296
 297                         setup.PrivateBinPath = pp + path;
 298                 }
 299
 300                 [Obsolete ("AppDomain.ClearPrivatePath has been deprecated. Please investigate the use of AppDomainSetup.PrivateBinPath instead.")]
 301                 [SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
 302                 public void ClearPrivatePath ()
 303                 {
 304                         SetupInformationNoCopy.PrivateBinPath = String.Empty;
 305                 }
 306
 307                 [Obsolete ("Use AppDomainSetup.ShadowCopyDirectories")]
 308                 [SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
 309                 public void ClearShadowCopyPath ()
 310                 {
 311                         SetupInformationNoCopy.ShadowCopyDirectories = String.Empty;
 312                 }
 313
 314 #if !NET_2_1
 315                 public ObjectHandle CreateComInstanceFrom (string assemblyName, string typeName)
 316                 {
 317                         return Activator.CreateComInstanceFrom (assemblyName, typeName);
 318                 }
 319
 320                 public ObjectHandle CreateComInstanceFrom (string assemblyFile, string typeName,
 321                         byte [] hashValue, AssemblyHashAlgorithm hashAlgorithm)
 322                 {
 323                         return Activator.CreateComInstanceFrom (assemblyFile, typeName, hashValue ,hashAlgorithm);
 324                 }
 325 #endif
 326
 327                 internal ObjectHandle InternalCreateInstanceWithNoSecurity (string assemblyName, string typeName)
 328                 {
 329                         return CreateInstance(assemblyName, typeName);
 330                 }
 331
 332                 internal ObjectHandle InternalCreateInstanceWithNoSecurity (string assemblyName,
 333                                                                     string typeName,
 334                                                                     bool ignoreCase,
 335                                                                     BindingFlags bindingAttr,
 336                                                                     Binder binder,
 337                                                                     Object[] args,
 338                                                                     CultureInfo culture,
 339                                                                     Object[] activationAttributes,
 340                                                                     Evidence securityAttributes)
 341                 {
 342 #pragma warning disable 618
 343                 return CreateInstance(assemblyName, typeName, ignoreCase, bindingAttr, binder, args, culture, activationAttributes, securityAttributes);
 344 #pragma warning restore 618
 345                 }
 346
 347                 internal ObjectHandle InternalCreateInstanceFromWithNoSecurity (string assemblyName, string typeName)
 348                 {
 349                         return CreateInstanceFrom(assemblyName, typeName);
 350                 }
 351
 352                 internal ObjectHandle InternalCreateInstanceFromWithNoSecurity (string assemblyName,
 353                                                                         string typeName,
 354                                                                         bool ignoreCase,
 355                                                                         BindingFlags bindingAttr,
 356                                                                         Binder binder,
 357                                                                         Object[] args,
 358                                                                         CultureInfo culture,
 359                                                                         Object[] activationAttributes,
 360                                                                         Evidence securityAttributes)
 361                 {
 362 #pragma warning disable 618
 363                         return CreateInstanceFrom(assemblyName, typeName, ignoreCase, bindingAttr, binder, args, culture, activationAttributes, securityAttributes);
 364 #pragma warning restore 618
 365                 }
 366
 367                 public ObjectHandle CreateInstance (string assemblyName, string typeName)
 368                 {
 369                         if (assemblyName == null)
 370                                 throw new ArgumentNullException ("assemblyName");
 371
 372                         return Activator.CreateInstance (assemblyName, typeName);
 373                 }
 374
 375                 public ObjectHandle CreateInstance (string assemblyName, string typeName, object[] activationAttributes)
 376                 {
 377                         if (assemblyName == null)
 378                                 throw new ArgumentNullException ("assemblyName");
 379
 380                         return Activator.CreateInstance (assemblyName, typeName, activationAttributes);
 381                 }
 382
 383                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 384                 public ObjectHandle CreateInstance (string assemblyName, string typeName, bool ignoreCase, BindingFlags bindingAttr,
 385                                                     Binder binder, object[] args, CultureInfo culture, object[] activationAttributes,
 386                                                     Evidence securityAttributes)
 387                 {
 388                         if (assemblyName == null)
 389                                 throw new ArgumentNullException ("assemblyName");
 390
 391                         return Activator.CreateInstance (assemblyName, typeName, ignoreCase, bindingAttr, binder, args,
 392                                 culture, activationAttributes, securityAttributes);
 393                 }
 394
 395                 public object CreateInstanceAndUnwrap (string assemblyName, string typeName)
 396                 {
 397                         ObjectHandle oh = CreateInstance (assemblyName, typeName);
 398                         return (oh != null) ? oh.Unwrap () : null;
 399                 }
 400
 401                 public object CreateInstanceAndUnwrap (string assemblyName, string typeName, object [] activationAttributes)
 402                 {
 403                         ObjectHandle oh = CreateInstance (assemblyName, typeName, activationAttributes);
 404                         return (oh != null) ? oh.Unwrap () : null;
 405                 }
 406
 407                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 408                 public object CreateInstanceAndUnwrap (string assemblyName, string typeName, bool ignoreCase,
 409                                                        BindingFlags bindingAttr, Binder binder, object[] args, CultureInfo culture,
 410                                                        object[] activationAttributes, Evidence securityAttributes)
 411                 {
 412                         ObjectHandle oh = CreateInstance (assemblyName, typeName, ignoreCase, bindingAttr, binder, args,
 413                                 culture, activationAttributes, securityAttributes);
 414                         return (oh != null) ? oh.Unwrap () : null;
 415                 }
 416
 417                 public ObjectHandle CreateInstance (string assemblyName, string typeName, bool ignoreCase, BindingFlags bindingAttr,
 418                                                     Binder binder, object[] args, CultureInfo culture, object[] activationAttributes)
 419                 {
 420                         if (assemblyName == null)
 421                                 throw new ArgumentNullException ("assemblyName");
 422
 423                         return Activator.CreateInstance (assemblyName, typeName, ignoreCase, bindingAttr, binder, args,
 424                                 culture, activationAttributes, null);
 425                 }
 426                 public object CreateInstanceAndUnwrap (string assemblyName, string typeName, bool ignoreCase,
 427                                                        BindingFlags bindingAttr, Binder binder, object[] args, CultureInfo culture,
 428                                                        object[] activationAttributes)
 429                 {
 430                         ObjectHandle oh = CreateInstance (assemblyName, typeName, ignoreCase, bindingAttr, binder, args,
 431                                 culture, activationAttributes);
 432                         return (oh != null) ? oh.Unwrap () : null;
 433                 }
 434
 435                 public ObjectHandle CreateInstanceFrom (string assemblyFile, string typeName, bool ignoreCase,
 436                                                         BindingFlags bindingAttr, Binder binder, object[] args, CultureInfo culture,
 437                                                         object[] activationAttributes)
 438                 {
 439                         if (assemblyFile == null)
 440                                 throw new ArgumentNullException ("assemblyFile");
 441
 442                         return Activator.CreateInstanceFrom (assemblyFile, typeName, ignoreCase, bindingAttr, binder, args,
 443                                                              culture, activationAttributes, null);
 444                 }
 445
 446                 public object CreateInstanceFromAndUnwrap (string assemblyFile, string typeName, bool ignoreCase,
 447                                                            BindingFlags bindingAttr, Binder binder, object[] args,
 448                                                            CultureInfo culture, object[] activationAttributes)
 449                 {
 450                         ObjectHandle oh = CreateInstanceFrom (assemblyFile, typeName, ignoreCase, bindingAttr, binder, args,
 451                                 culture, activationAttributes);
 452
 453                         return (oh != null) ? oh.Unwrap () : null;
 454                 }
 455
 456                 public ObjectHandle CreateInstanceFrom (string assemblyFile, string typeName)
 457                 {
 458                         if (assemblyFile == null)
 459                                 throw new ArgumentNullException ("assemblyFile");
 460
 461                         return Activator.CreateInstanceFrom (assemblyFile, typeName);
 462                 }
 463
 464                 public ObjectHandle CreateInstanceFrom (string assemblyFile, string typeName, object[] activationAttributes)
 465                 {
 466                         if (assemblyFile == null)
 467                                 throw new ArgumentNullException ("assemblyFile");
 468
 469                         return Activator.CreateInstanceFrom (assemblyFile, typeName, activationAttributes);
 470                 }
 471
 472                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 473                 public ObjectHandle CreateInstanceFrom (string assemblyFile, string typeName, bool ignoreCase,
 474                                                         BindingFlags bindingAttr, Binder binder, object[] args, CultureInfo culture,
 475                                                         object[] activationAttributes, Evidence securityAttributes)
 476                 {
 477                         if (assemblyFile == null)
 478                                 throw new ArgumentNullException ("assemblyFile");
 479
 480                         return Activator.CreateInstanceFrom (assemblyFile, typeName, ignoreCase, bindingAttr, binder, args,
 481                                                              culture, activationAttributes, securityAttributes);
 482                 }
 483
 484                 public object CreateInstanceFromAndUnwrap (string assemblyName, string typeName)
 485                 {
 486                         ObjectHandle oh = CreateInstanceFrom (assemblyName, typeName);
 487                         return (oh != null) ? oh.Unwrap () : null;
 488                 }
 489
 490                 public object CreateInstanceFromAndUnwrap (string assemblyName, string typeName, object [] activationAttributes)
 491                 {
 492                         ObjectHandle oh = CreateInstanceFrom (assemblyName, typeName, activationAttributes);
 493                         return (oh != null) ? oh.Unwrap () : null;
 494                 }
 495
 496                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 497                 public object CreateInstanceFromAndUnwrap (string assemblyName, string typeName, bool ignoreCase,
 498                                                            BindingFlags bindingAttr, Binder binder, object[] args,
 499                                                            CultureInfo culture, object[] activationAttributes,
 500                                                            Evidence securityAttributes)
 501                 {
 502                         ObjectHandle oh = CreateInstanceFrom (assemblyName, typeName, ignoreCase, bindingAttr, binder, args,
 503                                 culture, activationAttributes, securityAttributes);
 504
 505                         return (oh != null) ? oh.Unwrap () : null;
 506                 }
 507
 508 #if !FULL_AOT_RUNTIME
 509                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access)
 510                 {
 511                         return DefineDynamicAssembly (name, access, null, null, null, null, null, false);
 512                 }
 513
 514                 [Obsolete ("Declarative security for assembly level is no longer enforced")]
 515                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, Evidence evidence)
 516                 {
 517                         return DefineDynamicAssembly (name, access, null, evidence, null, null, null, false);
 518                 }
 519
 520                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, string dir)
 521                 {
 522                         return DefineDynamicAssembly (name, access, dir, null, null, null, null, false);
 523                 }
 524
 525                 [Obsolete ("Declarative security for assembly level is no longer enforced")]
 526                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, string dir,
 527                                                               Evidence evidence)
 528                 {
 529                         return DefineDynamicAssembly (name, access, dir, evidence, null, null, null, false);
 530                 }
 531
 532                 [Obsolete ("Declarative security for assembly level is no longer enforced")]
 533                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access,
 534                                                               PermissionSet requiredPermissions,
 535                                                               PermissionSet optionalPermissions,
 536                                                               PermissionSet refusedPermissions)
 537                 {
 538                         return DefineDynamicAssembly (name, access, null, null, requiredPermissions, optionalPermissions,
 539                                 refusedPermissions, false);
 540                 }
 541
 542                 [Obsolete ("Declarative security for assembly level is no longer enforced")]
 543                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, Evidence evidence,
 544                                                               PermissionSet requiredPermissions,
 545                                                               PermissionSet optionalPermissions,
 546                                                               PermissionSet refusedPermissions)
 547                 {
 548                         return DefineDynamicAssembly (name, access, null, evidence, requiredPermissions, optionalPermissions,
 549                                 refusedPermissions, false);
 550                 }
 551
 552                 [Obsolete ("Declarative security for assembly level is no longer enforced")]
 553                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, string dir,
 554                                                               PermissionSet requiredPermissions,
 555                                                               PermissionSet optionalPermissions,
 556                                                               PermissionSet refusedPermissions)
 557                 {
 558                         return DefineDynamicAssembly (name, access, dir, null, requiredPermissions, optionalPermissions,
 559                                 refusedPermissions, false);
 560                 }
 561
 562                 [Obsolete ("Declarative security for assembly level is no longer enforced")]
 563                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, string dir,
 564                                                               Evidence evidence,
 565                                                               PermissionSet requiredPermissions,
 566                                                               PermissionSet optionalPermissions,
 567                                                               PermissionSet refusedPermissions)
 568                 {
 569                         return DefineDynamicAssembly (name, access, dir, evidence, requiredPermissions, optionalPermissions,
 570                                 refusedPermissions, false);
 571                 }
 572
 573                 [Obsolete ("Declarative security for assembly level is no longer enforced")]
 574                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, string dir,
 575                                                               Evidence evidence,
 576                                                               PermissionSet requiredPermissions,
 577                                                               PermissionSet optionalPermissions,
 578                                                               PermissionSet refusedPermissions, bool isSynchronized)
 579                 {
 580                         if (name == null)
 581                                 throw new ArgumentNullException ("name");
 582                         ValidateAssemblyName (name.Name);
 583
 584                         // FIXME: examine all other parameters
 585
 586                         AssemblyBuilder ab = new AssemblyBuilder (name, dir, access, false);
 587                         ab.AddPermissionRequests (requiredPermissions, optionalPermissions, refusedPermissions);
 588                         return ab;
 589                 }
 590
 591                 // NET 3.5 method
 592                 [Obsolete ("Declarative security for assembly level is no longer enforced")]
 593                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, string dir,
 594                                                               Evidence evidence,
 595                                                               PermissionSet requiredPermissions,
 596                                                               PermissionSet optionalPermissions,
 597                                                               PermissionSet refusedPermissions, bool isSynchronized, IEnumerable<CustomAttributeBuilder> assemblyAttributes)
 598                 {
 599                         AssemblyBuilder ab = DefineDynamicAssembly (name, access, dir, evidence, requiredPermissions, optionalPermissions, refusedPermissions, isSynchronized);
 600                         if (assemblyAttributes != null)
 601                                 foreach (CustomAttributeBuilder cb in assemblyAttributes) {
 602                                         ab.SetCustomAttribute (cb);
 603                                 }
 604                         return ab;
 605                 }
 606
 607                 // NET 3.5 method
 608                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, IEnumerable<CustomAttributeBuilder> assemblyAttributes)
 609                 {
 610                         return DefineDynamicAssembly (name, access, null, null, null, null, null, false, assemblyAttributes);
 611                 }
 612
 613                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, string dir, bool isSynchronized, IEnumerable<CustomAttributeBuilder> assemblyAttributes)
 614                 {
 615                         return DefineDynamicAssembly (name, access, dir, null, null, null, null, isSynchronized, assemblyAttributes);
 616                 }
 617
 618                 [MonoLimitation ("The argument securityContextSource is ignored")]
 619                 public AssemblyBuilder DefineDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access, IEnumerable<CustomAttributeBuilder> assemblyAttributes, SecurityContextSource securityContextSource)
 620                 {
 621                         return DefineDynamicAssembly (name, access, assemblyAttributes);
 622                 }
 623
 624                 internal AssemblyBuilder DefineInternalDynamicAssembly (AssemblyName name, AssemblyBuilderAccess access)
 625                 {
 626                         return new AssemblyBuilder (name, null, access, true);
 627                 }
 628 #endif
 629
 630                 //
 631                 // AppDomain.DoCallBack works because AppDomain is a MarshalByRefObject
 632                 // so, when you call AppDomain.DoCallBack, that's a remote call
 633                 //
 634                 public void DoCallBack (CrossAppDomainDelegate callBackDelegate)
 635                 {
 636                         if (callBackDelegate != null)
 637                                 callBackDelegate ();
 638                 }
 639
 640                 public int ExecuteAssembly (string assemblyFile)
 641                 {
 642                         return ExecuteAssembly (assemblyFile, (Evidence)null, null);
 643                 }
 644
 645                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 646                 public int ExecuteAssembly (string assemblyFile, Evidence assemblySecurity)
 647                 {
 648                         return ExecuteAssembly (assemblyFile, assemblySecurity, null);
 649                 }
 650
 651                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 652                 public int ExecuteAssembly (string assemblyFile, Evidence assemblySecurity, string[] args)
 653                 {
 654                         Assembly a = Assembly.LoadFrom (assemblyFile, assemblySecurity);
 655                         return ExecuteAssemblyInternal (a, args);
 656                 }
 657
 658                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 659                 public int ExecuteAssembly (string assemblyFile, Evidence assemblySecurity, string[] args, byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm)
 660                 {
 661                         Assembly a = Assembly.LoadFrom (assemblyFile, assemblySecurity, hashValue, hashAlgorithm);
 662                         return ExecuteAssemblyInternal (a, args);
 663                 }
 664
 665
 666                 public int ExecuteAssembly (string assemblyFile, string[] args)
 667                 {
 668                         Assembly a = Assembly.LoadFrom (assemblyFile, null);
 669                         return ExecuteAssemblyInternal (a, args);
 670                 }
 671
 672                 public int ExecuteAssembly (string assemblyFile, string[] args, byte[] hashValue, AssemblyHashAlgorithm hashAlgorithm)
 673                 {
 674                         Assembly a = Assembly.LoadFrom (assemblyFile, null, hashValue, hashAlgorithm);
 675                         return ExecuteAssemblyInternal (a, args);
 676                 }
 677
 678                 int ExecuteAssemblyInternal (Assembly a, string[] args)
 679                 {
 680                         if (a.EntryPoint == null)
 681                                 throw new MissingMethodException ("Entry point not found in assembly '" + a.FullName + "'.");
 682                         return ExecuteAssembly (a, args);
 683                 }
 684
 685                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 686                 private extern int ExecuteAssembly (Assembly a, string[] args);
 687
 688                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 689                 private extern Assembly [] GetAssemblies (bool refOnly);
 690
 691                 public Assembly [] GetAssemblies ()
 692                 {
 693                         return GetAssemblies (false);
 694                 }
 695
 696                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 697                 public extern object GetData (string name);
 698
 699                 public new Type GetType()
 700                 {
 701                         return base.GetType ();
 702                 }
 703
 704                 public override object InitializeLifetimeService ()
 705                 {
 706                         return null;
 707                 }
 708
 709                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 710                 internal extern Assembly LoadAssembly (string assemblyRef, Evidence securityEvidence, bool refOnly);
 711
 712                 public Assembly Load (AssemblyName assemblyRef)
 713                 {
 714                         return Load (assemblyRef, null);
 715                 }
 716
 717                 internal Assembly LoadSatellite (AssemblyName assemblyRef, bool throwOnError)
 718                 {
 719                         if (assemblyRef == null)
 720                                 throw new ArgumentNullException ("assemblyRef");
 721
 722                         Assembly result = LoadAssembly (assemblyRef.FullName, null, false);
 723                         if (result == null && throwOnError)
 724                                 throw new FileNotFoundException (null, assemblyRef.Name);
 725                         return result;
 726                 }
 727
 728                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 729                 public Assembly Load (AssemblyName assemblyRef, Evidence assemblySecurity)
 730                 {
 731                         if (assemblyRef == null)
 732                                 throw new ArgumentNullException ("assemblyRef");
 733
 734                         if (assemblyRef.Name == null || assemblyRef.Name.Length == 0) {
 735                                 if (assemblyRef.CodeBase != null)
 736                                         return Assembly.LoadFrom (assemblyRef.CodeBase, assemblySecurity);
 737                                 else
 738                                         throw new ArgumentException (Locale.GetText ("assemblyRef.Name cannot be empty."), "assemblyRef");
 739                         }
 740
 741                         Assembly assembly = LoadAssembly (assemblyRef.FullName, assemblySecurity, false);
 742                         if (assembly != null)
 743                                 return assembly;
 744
 745                         if (assemblyRef.CodeBase == null)
 746                                 throw new FileNotFoundException (null, assemblyRef.Name);
 747
 748                         string cb = assemblyRef.CodeBase;
 749                         if (cb.ToLower (CultureInfo.InvariantCulture).StartsWith ("file://"))
 750                                 cb = new Mono.Security.Uri (cb).LocalPath;
 751
 752                         try {
 753                                 assembly = Assembly.LoadFrom (cb, assemblySecurity);
 754                         } catch {
 755                                 throw new FileNotFoundException (null, assemblyRef.Name);
 756                         }
 757                         AssemblyName aname = assembly.GetName ();
 758                         // Name, version, culture, publickeytoken. Anything else?
 759                         if (assemblyRef.Name != aname.Name)
 760                                 throw new FileNotFoundException (null, assemblyRef.Name);
 761
 762                         if (assemblyRef.Version != null && assemblyRef.Version != new Version (0, 0, 0, 0) && assemblyRef.Version != aname.Version)
 763                                 throw new FileNotFoundException (null, assemblyRef.Name);
 764
 765                         if (assemblyRef.CultureInfo != null && assemblyRef.CultureInfo.Equals (aname))
 766                                 throw new FileNotFoundException (null, assemblyRef.Name);
 767
 768                         byte [] pt = assemblyRef.GetPublicKeyToken ();
 769                         if (pt != null && pt.Length != 0) {
 770                                 byte [] loaded_pt = aname.GetPublicKeyToken ();
 771                                 if (loaded_pt == null || (pt.Length != loaded_pt.Length))
 772                                         throw new FileNotFoundException (null, assemblyRef.Name);
 773                                 for (int i = pt.Length - 1; i >= 0; i--)
 774                                         if (loaded_pt [i] != pt [i])
 775                                                 throw new FileNotFoundException (null, assemblyRef.Name);
 776                         }
 777                         return assembly;
 778                 }
 779
 780                 public Assembly Load (string assemblyString)
 781                 {
 782                         return Load (assemblyString, null, false);
 783                 }
 784
 785                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 786                 public Assembly Load (string assemblyString, Evidence assemblySecurity)
 787                 {
 788                         return Load (assemblyString, assemblySecurity, false);
 789                 }
 790
 791                 internal Assembly Load (string assemblyString, Evidence assemblySecurity, bool refonly)
 792                 {
 793                         if (assemblyString == null)
 794                                 throw new ArgumentNullException ("assemblyString");
 795
 796                         if (assemblyString.Length == 0)
 797                                 throw new ArgumentException ("assemblyString cannot have zero length");
 798
 799                         Assembly assembly = LoadAssembly (assemblyString, assemblySecurity, refonly);
 800                         if (assembly == null)
 801                                 throw new FileNotFoundException (null, assemblyString);
 802                         return assembly;
 803                 }
 804
 805                 public Assembly Load (byte[] rawAssembly)
 806                 {
 807                         return Load (rawAssembly, null, null);
 808                 }
 809
 810                 public Assembly Load (byte[] rawAssembly, byte[] rawSymbolStore)
 811                 {
 812                         return Load (rawAssembly, rawSymbolStore, null);
 813                 }
 814
 815                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 816                 internal extern Assembly LoadAssemblyRaw (byte[] rawAssembly, byte[] rawSymbolStore, Evidence securityEvidence, bool refonly);
 817
 818                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
 819                 public Assembly Load (byte[] rawAssembly, byte[] rawSymbolStore, Evidence securityEvidence)
 820                 {
 821                         return Load (rawAssembly, rawSymbolStore, securityEvidence, false);
 822                 }
 823
 824                 internal Assembly Load (byte [] rawAssembly, byte [] rawSymbolStore, Evidence securityEvidence, bool refonly)
 825                 {
 826                         if (rawAssembly == null)
 827                                 throw new ArgumentNullException ("rawAssembly");
 828
 829                         Assembly assembly = LoadAssemblyRaw (rawAssembly, rawSymbolStore, securityEvidence, refonly);
 830                         assembly.FromByteArray = true;
 831                         return assembly;
 832                 }
 833                 [Obsolete ("AppDomain policy levels are obsolete")]
 834                 [SecurityPermission (SecurityAction.Demand, ControlPolicy = true)]
 835                 public void SetAppDomainPolicy (PolicyLevel domainPolicy)
 836                 {
 837                         if (domainPolicy == null)
 838                                 throw new ArgumentNullException ("domainPolicy");
 839                         if (_granted != null) {
 840                                 throw new PolicyException (Locale.GetText (
 841                                         "An AppDomain policy is already specified."));
 842                         }
 843                         if (IsFinalizingForUnload ())
 844                                 throw new AppDomainUnloadedException ();
 845
 846                         PolicyStatement ps = domainPolicy.Resolve ((Evidence)_evidence);
 847                         _granted = ps.PermissionSet;
 848                 }
 849
 850                 [Obsolete ("Use AppDomainSetup.SetCachePath")]
 851                 [SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
 852                 public void SetCachePath (string path)
 853                 {
 854                         SetupInformationNoCopy.CachePath = path;
 855                 }
 856
 857                 [SecurityPermission (SecurityAction.Demand, ControlPrincipal = true)]
 858                 public void SetPrincipalPolicy (PrincipalPolicy policy)
 859                 {
 860                         if (IsFinalizingForUnload ())
 861                                 throw new AppDomainUnloadedException ();
 862
 863 #if MOBILE
 864                         _principalPolicy = (int)policy;
 865 #else
 866                         _principalPolicy = policy;
 867 #endif
 868                         _principal = null;
 869                 }
 870
 871                 [Obsolete ("Use AppDomainSetup.ShadowCopyFiles")]
 872                 [SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
 873                 public void SetShadowCopyFiles()
 874                 {
 875                         SetupInformationNoCopy.ShadowCopyFiles = "true";
 876                 }
 877
 878                 [Obsolete ("Use AppDomainSetup.ShadowCopyDirectories")]
 879                 [SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
 880                 public void SetShadowCopyPath (string path)
 881                 {
 882                         SetupInformationNoCopy.ShadowCopyDirectories = path;
 883                 }
 884
 885                 [SecurityPermission (SecurityAction.Demand, ControlPrincipal = true)]
 886                 public void SetThreadPrincipal (IPrincipal principal)
 887                 {
 888                         if (principal == null)
 889                                 throw new ArgumentNullException ("principal");
 890                         if (_principal != null)
 891                                 throw new PolicyException (Locale.GetText ("principal already present."));
 892                         if (IsFinalizingForUnload ())
 893                                 throw new AppDomainUnloadedException ();
 894
 895                         _principal = principal;
 896                 }
 897
 898                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 899                 private static extern AppDomain InternalSetDomainByID (int domain_id);
 900
 901                 // Changes the active domain and returns the old domain
 902                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 903                 private static extern AppDomain InternalSetDomain (AppDomain context);
 904
 905                 // Notifies the runtime that this thread references 'domain'.
 906                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 907                 internal static extern void InternalPushDomainRef (AppDomain domain);
 908
 909                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 910                 internal static extern void InternalPushDomainRefByID (int domain_id);
 911
 912                 // Undoes the effect of the last PushDomainRef call
 913                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 914                 internal static extern void InternalPopDomainRef ();
 915
 916                 // Changes the active context and returns the old context
 917                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 918                 internal static extern Context InternalSetContext (Context context);
 919
 920                 // Returns the current context
 921                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 922                 internal static extern Context InternalGetContext ();
 923
 924                 // Returns the current context
 925                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 926                 internal static extern Context InternalGetDefaultContext ();
 927
 928                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 929                 internal static extern string InternalGetProcessGuid (string newguid);
 930
 931                 // This method is handled specially by the runtime
 932                 // It is the only managed method which is allowed to set the current
 933                 // appdomain
 934                 internal static object InvokeInDomain (AppDomain domain, MethodInfo method, object obj, object [] args)
 935                 {
 936                         AppDomain current = CurrentDomain;
 937                         bool pushed = false;
 938
 939                         try {
 940                                 Exception exc;
 941                                 InternalPushDomainRef (domain);
 942                                 pushed = true;
 943                                 InternalSetDomain (domain);
 944                                 object o = ((MonoMethod) method).InternalInvoke (obj, args, out exc);
 945                                 if (exc != null)
 946                                         throw exc;
 947                                 return o;
 948                         }
 949                         finally {
 950                                 InternalSetDomain (current);
 951                                 if (pushed)
 952                                         InternalPopDomainRef ();
 953                         }
 954                 }
 955
 956                 internal static object InvokeInDomainByID (int domain_id, MethodInfo method, object obj, object [] args)
 957                 {
 958                         AppDomain current = CurrentDomain;
 959                         bool pushed = false;
 960
 961                         try {
 962                                 Exception exc;
 963                                 InternalPushDomainRefByID (domain_id);
 964                                 pushed = true;
 965                                 InternalSetDomainByID (domain_id);
 966                                 object o = ((MonoMethod) method).InternalInvoke (obj, args, out exc);
 967                                 if (exc != null)
 968                                         throw exc;
 969                                 return o;
 970                         }
 971                         finally {
 972                                 InternalSetDomain (current);
 973                                 if (pushed)
 974                                         InternalPopDomainRef ();
 975                         }
 976                 }
 977
 978                 internal static String GetProcessGuid ()
 979                 {
 980                         if (_process_guid == null) {
 981                                 _process_guid = InternalGetProcessGuid (Guid.NewGuid().ToString ());
 982                         }
 983                         return _process_guid;
 984                 }
 985
 986                 public static AppDomain CreateDomain (string friendlyName)
 987                 {
 988                         return CreateDomain (friendlyName, null, null);
 989                 }
 990
 991                 public static AppDomain CreateDomain (string friendlyName, Evidence securityInfo)
 992                 {
 993                         return CreateDomain (friendlyName, securityInfo, null);
 994                 }
 995
 996                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
 997                 private static extern AppDomain createDomain (string friendlyName, AppDomainSetup info);
 998
 999                 [MonoLimitationAttribute ("Currently it does not allow the setup in the other domain")]
1000                 [SecurityPermission (SecurityAction.Demand, ControlAppDomain = true)]
1001                 public static AppDomain CreateDomain (string friendlyName, Evidence securityInfo, AppDomainSetup info)
1002                 {
1003                         if (friendlyName == null)
1004                                 throw new System.ArgumentNullException ("friendlyName");
1005
1006                         AppDomain def = AppDomain.DefaultDomain;
1007                         if (info == null) {
1008                                 // if null, get default domain's SetupInformation
1009                                 if (def == null)
1010                                         info = new AppDomainSetup ();   // we're default!
1011                                 else
1012                                         info = def.SetupInformation;
1013                         }
1014                         else
1015                                 info = new AppDomainSetup (info);       // copy
1016
1017                         // todo: allow setup in the other domain
1018                         if (def != null) {
1019                                 if (!info.Equals (def.SetupInformation)) {
1020                                         // If not specified use default domain's app base.
1021                                         if (info.ApplicationBase == null)
1022                                                 info.ApplicationBase = def.SetupInformation.ApplicationBase;
1023                                         if (info.ConfigurationFile == null)
1024                                                 info.ConfigurationFile = Path.GetFileName (def.SetupInformation.ConfigurationFile);
1025                                 }
1026                         } else if (info.ConfigurationFile == null)
1027                                 info.ConfigurationFile = "[I don't have a config file]";
1028
1029 #if !NET_2_1
1030                         if (info.AppDomainInitializer != null) {
1031                                 if (!info.AppDomainInitializer.Method.IsStatic)
1032                                         throw new ArgumentException ("Non-static methods cannot be invoked as an appdomain initializer");
1033                         }
1034 #endif
1035
1036                         info.SerializeNonPrimitives ();
1037
1038                         AppDomain ad = (AppDomain) RemotingServices.GetDomainProxy (createDomain (friendlyName, info));
1039                         if (securityInfo == null) {
1040                                 // get default domain's Evidence (unless we're are the default!)
1041                                 if (def == null)
1042                                         ad._evidence = null;            // we'll get them later (GetEntryAssembly)
1043                                 else
1044                                         ad._evidence = def.Evidence;    // new (shallow) copy
1045                         }
1046                         else
1047                                 ad._evidence = new Evidence (securityInfo);     // copy
1048
1049 #if !NET_2_1
1050                         if (info.AppDomainInitializer != null) {
1051                                 Loader loader = new Loader (
1052                                         info.AppDomainInitializer.Method.DeclaringType.Assembly.Location);
1053                                 ad.DoCallBack (loader.Load);
1054
1055                                 Initializer initializer = new Initializer (
1056                                         info.AppDomainInitializer,
1057                                         info.AppDomainInitializerArguments);
1058                                 ad.DoCallBack (initializer.Initialize);
1059                         }
1060 #endif
1061
1062                         return ad;
1063                 }
1064
1065 #if !NET_2_1
1066                 [Serializable]
1067                 class Loader {
1068
1069                         string assembly;
1070
1071                         public Loader (string assembly)
1072                         {
1073                                 this.assembly = assembly;
1074                         }
1075
1076                         public void Load ()
1077                         {
1078                                 Assembly.LoadFrom (assembly);
1079                         }
1080                 }
1081
1082                 [Serializable]
1083                 class Initializer {
1084
1085                         AppDomainInitializer initializer;
1086                         string [] arguments;
1087
1088                         public Initializer (AppDomainInitializer initializer, string [] arguments)
1089                         {
1090                                 this.initializer = initializer;
1091                                 this.arguments = arguments;
1092                         }
1093
1094                         public void Initialize ()
1095                         {
1096                                 initializer (arguments);
1097                         }
1098                 }
1099 #endif
1100
1101                 public static AppDomain CreateDomain (string friendlyName, Evidence securityInfo,string appBasePath,
1102                                                       string appRelativeSearchPath, bool shadowCopyFiles)
1103                 {
1104                         return CreateDomain (friendlyName, securityInfo, CreateDomainSetup (appBasePath, appRelativeSearchPath, shadowCopyFiles));
1105                 }
1106
1107 #if !NET_2_1
1108                 public static AppDomain CreateDomain (string friendlyName, Evidence securityInfo, AppDomainSetup info,
1109                                                       PermissionSet grantSet, params StrongName [] fullTrustAssemblies)
1110                 {
1111                         if (info == null)
1112                                 throw new ArgumentNullException ("info");
1113
1114                         info.ApplicationTrust = new ApplicationTrust (grantSet, fullTrustAssemblies ?? EmptyArray<StrongName>.Value);
1115                         return CreateDomain (friendlyName, securityInfo, info);
1116                 }
1117 #endif
1118
1119                 static AppDomainSetup CreateDomainSetup (string appBasePath, string appRelativeSearchPath, bool shadowCopyFiles)
1120                 {
1121                         AppDomainSetup info = new AppDomainSetup ();
1122
1123                         info.ApplicationBase = appBasePath;
1124                         info.PrivateBinPath = appRelativeSearchPath;
1125
1126                         if (shadowCopyFiles)
1127                                 info.ShadowCopyFiles = "true";
1128                         else
1129                                 info.ShadowCopyFiles = "false";
1130
1131                         return info;
1132                 }
1133
1134                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
1135                 private static extern bool InternalIsFinalizingForUnload (int domain_id);
1136
1137                 public bool IsFinalizingForUnload()
1138                 {
1139                         return InternalIsFinalizingForUnload (getDomainID ());
1140                 }
1141
1142                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
1143                 static extern void InternalUnload (int domain_id);
1144
1145                 // We do this because if the domain is a transparant proxy this
1146                 // will still return the correct domain id.
1147                 private int getDomainID ()
1148                 {
1149                         return Thread.GetDomainID ();
1150                 }
1151
1152                 [SecurityPermission (SecurityAction.Demand, ControlAppDomain = true)]
1153                 [ReliabilityContractAttribute (Consistency.MayCorruptAppDomain, Cer.MayFail)]
1154                 public static void Unload (AppDomain domain)
1155                 {
1156                         if (domain == null)
1157                                 throw new ArgumentNullException ("domain");
1158
1159                         InternalUnload (domain.getDomainID());
1160                 }
1161
1162                 [MethodImplAttribute (MethodImplOptions.InternalCall)]
1163                 [SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1164                 public extern void SetData (string name, object data);
1165
1166                 [MonoLimitation ("The permission field is ignored")]
1167                 public void SetData (string name, object data, IPermission permission)
1168                 {
1169                         SetData (name, data);
1170                 }
1171
1172 #if !NET_2_1
1173                 [Obsolete ("Use AppDomainSetup.DynamicBase")]
1174                 [SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1175                 public void SetDynamicBase (string path)
1176                 {
1177                         SetupInformationNoCopy.DynamicBase = path;
1178                 }
1179 #endif // !NET_2_1
1180
1181                 [Obsolete ("AppDomain.GetCurrentThreadId has been deprecated"
1182                         + " because it does not provide a stable Id when managed"
1183                         + " threads are running on fibers (aka lightweight"
1184                         + " threads). To get a stable identifier for a managed"
1185                         + " thread, use the ManagedThreadId property on Thread.'")]
1186                 public static int GetCurrentThreadId ()
1187                 {
1188                         return Thread.CurrentThreadId;
1189                 }
1190
1191                 public override string ToString ()
1192                 {
1193                         return getFriendlyName ();
1194                 }
1195
1196                 private static void ValidateAssemblyName (string name)
1197                 {
1198                         if (name == null || name.Length == 0)
1199                                 throw new ArgumentException ("The Name of " +
1200                                         "AssemblyName cannot be null or a " +
1201                                         "zero-length string.");
1202
1203                         bool isValid = true;
1204
1205                         for (int i = 0; i < name.Length; i++) {
1206                                 char c = name [i];
1207
1208                                 // do not allow leading whitespace
1209                                 if (i == 0 && char.IsWhiteSpace (c)) {
1210                                         isValid = false;
1211                                         break;
1212                                 }
1213
1214                                 // do not allow /,\ or : in name
1215                                 if (c == '/' || c == '\\' || c == ':') {
1216                                         isValid = false;
1217                                         break;
1218                                 }
1219                         }
1220
1221                         if (!isValid)
1222                                 throw new ArgumentException ("The Name of " +
1223                                         "AssemblyName cannot start with " +
1224                                         "whitespace, or contain '/', '\\' " +
1225                                         " or ':'.");
1226                 }
1227
1228                 // The following methods are called from the runtime. Don't change signatures.
1229 #pragma warning disable 169
1230                 private void DoAssemblyLoad (Assembly assembly)
1231                 {
1232                         if (AssemblyLoad == null)
1233                                 return;
1234
1235                         AssemblyLoad (this, new AssemblyLoadEventArgs (assembly));
1236                 }
1237
1238                 private Assembly DoAssemblyResolve (string name, Assembly requestingAssembly, bool refonly)
1239                 {
1240                         ResolveEventHandler del;
1241 #if !NET_2_1
1242                         if (refonly)
1243                                 del = ReflectionOnlyAssemblyResolve;
1244                         else
1245                                 del = AssemblyResolve;
1246 #else
1247                         del = AssemblyResolve;
1248 #endif
1249                         if (del == null)
1250                                 return null;
1251
1252                         /* Prevent infinite recursion */
1253                         Dictionary<string, object> ht;
1254                         if (refonly) {
1255                                 ht = assembly_resolve_in_progress_refonly;
1256                                 if (ht == null) {
1257                                         ht = new Dictionary<string, object> ();
1258                                         assembly_resolve_in_progress_refonly = ht;
1259                                 }
1260                         } else {
1261                                 ht = assembly_resolve_in_progress;
1262                                 if (ht == null) {
1263                                         ht = new Dictionary<string, object> ();
1264                                         assembly_resolve_in_progress = ht;
1265                                 }
1266                         }
1267
1268                         if (ht.ContainsKey (name))
1269                                 return null;
1270
1271                         ht [name] = null;
1272                         try {
1273                                 Delegate[] invocation_list = del.GetInvocationList ();
1274
1275                                 foreach (Delegate eh in invocation_list) {
1276                                         ResolveEventHandler handler = (ResolveEventHandler) eh;
1277                                         Assembly assembly = handler (this, new ResolveEventArgs (name, requestingAssembly));
1278                                         if (assembly != null)
1279                                                 return assembly;
1280                                 }
1281                                 return null;
1282                         }
1283                         finally {
1284                                 ht.Remove (name);
1285                         }
1286                 }
1287
1288                 internal Assembly DoTypeResolve (Object name_or_tb)
1289                 {
1290                         if (TypeResolve == null)
1291                                 return null;
1292
1293                         string name;
1294
1295 #if !FULL_AOT_RUNTIME
1296                         if (name_or_tb is TypeBuilder)
1297                                 name = ((TypeBuilder) name_or_tb).FullName;
1298                         else
1299 #endif
1300                                 name = (string) name_or_tb;
1301
1302                         /* Prevent infinite recursion */
1303                         var ht = type_resolve_in_progress;
1304                         if (ht == null) {
1305                                 type_resolve_in_progress = ht = new Dictionary<string, object> ();
1306                         }
1307
1308                         if (ht.ContainsKey (name))
1309                                 return null;
1310
1311                         ht [name] = null;
1312
1313                         try {
1314                                 foreach (Delegate d in TypeResolve.GetInvocationList ()) {
1315                                         ResolveEventHandler eh = (ResolveEventHandler) d;
1316                                         Assembly assembly = eh (this, new ResolveEventArgs (name));
1317                                         if (assembly != null)
1318                                                 return assembly;
1319                                 }
1320                                 return null;
1321                         }
1322                         finally {
1323                                 ht.Remove (name);
1324                         }
1325                 }
1326
1327                 internal Assembly DoResourceResolve (string name, Assembly requesting) {
1328                         if (ResourceResolve == null)
1329                                 return null;
1330
1331                         Delegate[] invocation_list = ResourceResolve.GetInvocationList ();
1332
1333                         foreach (Delegate eh in invocation_list) {
1334                                 ResolveEventHandler handler = (ResolveEventHandler) eh;
1335                                 Assembly assembly = handler (this, new ResolveEventArgs (name, requesting));
1336                                 if (assembly != null)
1337                                         return assembly;
1338                         }
1339                         return null;
1340                 }
1341
1342                 private void DoDomainUnload ()
1343                 {
1344                         if (DomainUnload != null)
1345                                 DomainUnload(this, null);
1346                 }
1347
1348                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
1349                 internal extern void DoUnhandledException (Exception e);
1350
1351                 internal void DoUnhandledException (UnhandledExceptionEventArgs args) {
1352                         if (UnhandledException != null)
1353                                 UnhandledException (this, args);
1354                 }
1355
1356                 internal byte[] GetMarshalledDomainObjRef ()
1357                 {
1358                         ObjRef oref = RemotingServices.Marshal (AppDomain.CurrentDomain, null, typeof (AppDomain));
1359                         return CADSerializer.SerializeObject (oref).GetBuffer();
1360                 }
1361
1362                 internal void ProcessMessageInDomain (byte[] arrRequest, CADMethodCallMessage cadMsg,
1363                                                       out byte[] arrResponse, out CADMethodReturnMessage cadMrm)
1364                 {
1365                         IMessage reqDomMsg;
1366
1367                         if (null != arrRequest)
1368                                 reqDomMsg = CADSerializer.DeserializeMessage (new MemoryStream(arrRequest), null);
1369                         else
1370                                 reqDomMsg = new MethodCall (cadMsg);
1371
1372                         IMessage retDomMsg = ChannelServices.SyncDispatchMessage (reqDomMsg);
1373
1374                         cadMrm = CADMethodReturnMessage.Create (retDomMsg);
1375                         if (null == cadMrm) {
1376                                 arrResponse = CADSerializer.SerializeMessage (retDomMsg).GetBuffer();
1377                         }
1378                         else
1379                                 arrResponse = null;
1380                 }
1381
1382 #pragma warning restore 169
1383
1384                 // End of methods called from the runtime
1385
1386                 [method: SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1387                 public event AssemblyLoadEventHandler AssemblyLoad;
1388
1389                 [method: SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1390                 public event ResolveEventHandler AssemblyResolve;
1391
1392                 [method: SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1393                 public event EventHandler DomainUnload;
1394
1395                 [method: SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1396                 public event EventHandler ProcessExit;
1397
1398                 [method: SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1399                 public event ResolveEventHandler ResourceResolve;
1400
1401                 [method: SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1402                 public event ResolveEventHandler TypeResolve;
1403
1404                 [method: SecurityPermission (SecurityAction.LinkDemand, ControlAppDomain = true)]
1405                 public event UnhandledExceptionEventHandler UnhandledException;
1406
1407                 public event EventHandler<FirstChanceExceptionEventArgs> FirstChanceException;
1408
1409                 [MonoTODO]
1410                 public bool IsHomogenous {
1411                         get { return true; }
1412                 }
1413
1414                 [MonoTODO]
1415                 public bool IsFullyTrusted {
1416                         get { return true; }
1417                 }
1418
1419         #pragma warning disable 649
1420 #if !MOBILE
1421                 private AppDomainManager _domain_manager;
1422 #else
1423                 object _domain_manager;
1424 #endif
1425         #pragma warning restore 649
1426
1427                 // default is null
1428                 public AppDomainManager DomainManager {
1429                         get { return (AppDomainManager)_domain_manager; }
1430                 }
1431
1432 #if !MOBILE
1433                 public event ResolveEventHandler ReflectionOnlyAssemblyResolve;
1434 #endif
1435
1436         #pragma warning disable 649
1437 #if MOBILE
1438                 private object _activation;
1439                 private object _applicationIdentity;
1440 #else
1441                 private ActivationContext _activation;
1442                 private ApplicationIdentity _applicationIdentity;
1443 #endif
1444         #pragma warning restore 649
1445
1446                 // properties
1447
1448                 public ActivationContext ActivationContext {
1449                         get { return (ActivationContext)_activation; }
1450                 }
1451
1452                 public ApplicationIdentity ApplicationIdentity {
1453                         get { return (ApplicationIdentity)_applicationIdentity; }
1454                 }
1455
1456                 public int Id {
1457                         [ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
1458                         get { return getDomainID (); }
1459                 }
1460
1461                 // methods
1462
1463                 [MonoTODO ("This routine only returns the parameter currently")]
1464                 [ComVisible (false)]
1465                 public string ApplyPolicy (string assemblyName)
1466                 {
1467                         if (assemblyName == null)
1468                                 throw new ArgumentNullException ("assemblyName");
1469                         if (assemblyName.Length == 0) // String.Empty
1470                                 throw new ArgumentException ("assemblyName");
1471                         return assemblyName;
1472                 }
1473
1474                 // static methods
1475
1476                 public static AppDomain CreateDomain (string friendlyName, Evidence securityInfo, string appBasePath,
1477                         string appRelativeSearchPath, bool shadowCopyFiles, AppDomainInitializer adInit, string[] adInitArgs)
1478                 {
1479                         AppDomainSetup info = CreateDomainSetup (appBasePath, appRelativeSearchPath, shadowCopyFiles);
1480
1481                         info.AppDomainInitializerArguments = adInitArgs;
1482                         info.AppDomainInitializer = adInit;
1483
1484                         return CreateDomain (friendlyName, securityInfo, info);
1485                 }
1486
1487                 public int ExecuteAssemblyByName (string assemblyName)
1488                 {
1489                         return ExecuteAssemblyByName (assemblyName, (Evidence)null, null);
1490                 }
1491
1492                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
1493                 public int ExecuteAssemblyByName (string assemblyName, Evidence assemblySecurity)
1494                 {
1495                         return ExecuteAssemblyByName (assemblyName, assemblySecurity, null);
1496                 }
1497
1498                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
1499                 public int ExecuteAssemblyByName (string assemblyName, Evidence assemblySecurity, params string[] args)
1500                 {
1501                         Assembly a = Assembly.Load (assemblyName, assemblySecurity);
1502
1503                         return ExecuteAssemblyInternal (a, args);
1504                 }
1505
1506                 [Obsolete ("Use an overload that does not take an Evidence parameter")]
1507                 public int ExecuteAssemblyByName (AssemblyName assemblyName, Evidence assemblySecurity, params string[] args)
1508                 {
1509                         Assembly a = Assembly.Load (assemblyName, assemblySecurity);
1510
1511                         return ExecuteAssemblyInternal (a, args);
1512                 }
1513
1514                 public int ExecuteAssemblyByName (string assemblyName, params string[] args)
1515                 {
1516                         Assembly a = Assembly.Load (assemblyName, null);
1517
1518                         return ExecuteAssemblyInternal (a, args);
1519                 }
1520
1521                 public int ExecuteAssemblyByName (AssemblyName assemblyName, params string[] args)
1522                 {
1523                         Assembly a = Assembly.Load (assemblyName, null);
1524
1525                         return ExecuteAssemblyInternal (a, args);
1526                 }
1527
1528                 public bool IsDefaultAppDomain ()
1529                 {
1530                         return Object.ReferenceEquals (this, DefaultDomain);
1531                 }
1532
1533                 public Assembly[] ReflectionOnlyGetAssemblies ()
1534                 {
1535                         return GetAssemblies (true);
1536                 }
1537
1538 #if !MOBILE
1539                 void _AppDomain.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
1540                 {
1541                         throw new NotImplementedException ();
1542                 }
1543
1544                 void _AppDomain.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
1545                 {
1546                         throw new NotImplementedException ();
1547                 }
1548
1549                 void _AppDomain.GetTypeInfoCount (out uint pcTInfo)
1550                 {
1551                         throw new NotImplementedException ();
1552                 }
1553
1554                 void _AppDomain.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams,
1555                         IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
1556                 {
1557                         throw new NotImplementedException ();
1558                 }
1559 #endif
1560
1561                 List<string> compatibility_switch;
1562
1563                 public bool? IsCompatibilitySwitchSet (string value)
1564                 {
1565                         if (value == null)
1566                                 throw new ArgumentNullException ("value");
1567
1568                         // default (at least for SL4) is to return false for unknown values (can't get a null out of it)
1569                         return ((compatibility_switch != null) && compatibility_switch.Contains (value));
1570                 }
1571
1572                 internal void SetCompatibilitySwitch (string value)
1573                 {
1574                         if (compatibility_switch == null)
1575                                 compatibility_switch = new List<string> ();
1576                         compatibility_switch.Add (value);
1577                 }
1578
1579                 [MonoTODO ("Currently always returns false")]
1580                 public static bool MonitoringIsEnabled {
1581                         get { return false; }
1582                         set { throw new NotImplementedException (); }
1583                 }
1584
1585                 [MonoTODO]
1586                 public long MonitoringSurvivedMemorySize {
1587                         get { throw new NotImplementedException (); }
1588                 }
1589
1590                 [MonoTODO]
1591                 public static long MonitoringSurvivedProcessMemorySize {
1592                         get { throw new NotImplementedException (); }
1593                 }
1594
1595                 [MonoTODO]
1596                 public long MonitoringTotalAllocatedMemorySize {
1597                         get { throw new NotImplementedException (); }
1598                 }
1599
1600                 [MonoTODO]
1601                 public TimeSpan MonitoringTotalProcessorTime {
1602                         get { throw new NotImplementedException (); }
1603                 }
1604         }
1605 }