mcs/class/corlib/System.Reflection.Emit/AssemblyBuilder.cs

   1 //
   2 // System.Reflection.Emit/AssemblyBuilder.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //
   7 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   8 //
   9
  10 using System;
  11 using System.Reflection;
  12 using System.Resources;
  13 using System.IO;
  14 using System.Security.Policy;
  15 using System.Runtime.Serialization;
  16 using System.Globalization;
  17 using System.Runtime.CompilerServices;
  18 using System.Collections;
  19 using System.Runtime.InteropServices;
  20 using System.Security.Cryptography;
  21 using System.Security.Permissions;
  22
  23 using Mono.Security;
  24 using Mono.Security.Cryptography;
  25
  26 namespace System.Reflection.Emit {
  27
  28         internal struct RefEmitPermissionSet {
  29                 public SecurityAction action;
  30                 public string pset;
  31
  32                 public RefEmitPermissionSet (SecurityAction action, string pset) {
  33                         this.action = action;
  34                         this.pset = pset;
  35                 }
  36         }
  37
  38         internal struct MonoResource {
  39                 public byte[] data;
  40                 public string name;
  41                 public string filename;
  42                 public ResourceAttributes attrs;
  43                 public int offset;
  44         }
  45
  46         internal struct MonoWin32Resource {
  47                 public int res_type;
  48                 public int res_id;
  49                 public int lang_id;
  50                 public byte[] data;
  51
  52                 public MonoWin32Resource (int res_type, int res_id, int lang_id, byte[] data) {
  53                         this.res_type = res_type;
  54                         this.res_id = res_id;
  55                         this.lang_id = lang_id;
  56                         this.data = data;
  57                 }
  58         }
  59
  60         public sealed class AssemblyBuilder : Assembly {
  61                 #region Sync with reflection.h
  62                 private IntPtr dynamic_assembly;
  63                 private MethodInfo entry_point;
  64                 private ModuleBuilder[] modules;
  65                 private string name;
  66                 private string dir;
  67                 private CustomAttributeBuilder[] cattrs;
  68                 private MonoResource[] resources;
  69                 byte[] public_key;
  70                 string version;
  71                 string culture;
  72                 uint algid;
  73                 uint flags;
  74                 PEFileKinds pekind = PEFileKinds.Dll;
  75                 bool delay_sign;
  76                 uint access;
  77                 Module[] loaded_modules;
  78                 MonoWin32Resource[] win32_resources;
  79                 #endregion
  80                 internal Type corlib_object_type = typeof (System.Object);
  81                 internal Type corlib_value_type = typeof (System.ValueType);
  82                 internal Type corlib_enum_type = typeof (System.Enum);
  83                 internal Type corlib_void_type = typeof (void);
  84                 ArrayList resource_writers = null;
  85                 Win32VersionResource version_res;
  86                 bool created;
  87                 bool is_module_only;
  88                 string keyfile_name;
  89                 private Mono.Security.StrongName sn;
  90
  91                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
  92                 private static extern void basic_init (AssemblyBuilder ab);
  93
  94                 internal AssemblyBuilder (AssemblyName n, string directory, AssemblyBuilderAccess access) {
  95                         name = n.Name;
  96                         if (directory == null || directory == String.Empty)
  97                                 dir = Directory.GetCurrentDirectory ();
  98                         else
  99                                 dir = directory;
 100                         this.access = (uint)access;
 101
 102                         /* Set defaults from n */
 103                         if (n.CultureInfo != null) {
 104                                 culture = n.CultureInfo.Name;
 105                         }
 106                         Version v = n.Version;
 107                         if (v != null) {
 108                                 version = v.ToString ();
 109                         }
 110
 111                         basic_init (this);
 112                 }
 113
 114                 public override string CodeBase {
 115                         get {
 116                                 throw not_supported ();
 117                         }
 118                 }
 119
 120                 public override MethodInfo EntryPoint {
 121                         get {
 122                                 return entry_point;
 123                         }
 124                 }
 125
 126                 public override string Location {
 127                         get {
 128                                 throw not_supported ();
 129                         }
 130                 }
 131
 132 #if NET_1_1
 133                 /* This is to keep signature compatibility with MS.NET */
 134                 public override string ImageRuntimeVersion {
 135                         get {
 136                                 return base.ImageRuntimeVersion;
 137                         }
 138                 }
 139 #endif
 140
 141                 public void AddResourceFile (string name, string fileName)
 142                 {
 143                         AddResourceFile (name, fileName, ResourceAttributes.Public);
 144                 }
 145
 146                 public void AddResourceFile (string name, string fileName, ResourceAttributes attribute)
 147                 {
 148                         AddResourceFile (name, fileName, attribute, true);
 149                 }
 150
 151                 private void AddResourceFile (string name, string fileName, ResourceAttributes attribute, bool fileNeedsToExists)
 152                 {
 153                         check_name_and_filename (name, fileName, fileNeedsToExists);
 154
 155                         // Resource files are created/searched under the assembly storage
 156                         // directory
 157                         if (dir != null)
 158                                 fileName = Path.Combine (dir, fileName);
 159
 160                         if (resources != null) {
 161                                 MonoResource[] new_r = new MonoResource [resources.Length + 1];
 162                                 System.Array.Copy(resources, new_r, resources.Length);
 163                                 resources = new_r;
 164                         } else {
 165                                 resources = new MonoResource [1];
 166                         }
 167                         int p = resources.Length - 1;
 168                         resources [p].name = name;
 169                         resources [p].filename = fileName;
 170                         resources [p].attrs = attribute;
 171                 }
 172
 173                 public void EmbedResourceFile (string name, string fileName)
 174                 {
 175                         EmbedResourceFile (name, fileName, ResourceAttributes.Public);
 176                 }
 177
 178                 public void EmbedResourceFile (string name, string fileName, ResourceAttributes attribute)
 179                 {
 180                         if (resources != null) {
 181                                 MonoResource[] new_r = new MonoResource [resources.Length + 1];
 182                                 System.Array.Copy(resources, new_r, resources.Length);
 183                                 resources = new_r;
 184                         } else {
 185                                 resources = new MonoResource [1];
 186                         }
 187                         int p = resources.Length - 1;
 188                         resources [p].name = name;
 189                         resources [p].attrs = attribute;
 190                         try {
 191                                 FileStream s = new FileStream (fileName, FileMode.Open, FileAccess.Read);
 192                                 long len = s.Length;
 193                                 resources [p].data = new byte [len];
 194                                 s.Read (resources [p].data, 0, (int)len);
 195                                 s.Close ();
 196                         } catch {
 197                                 /* do something */
 198                         }
 199                 }
 200
 201                 internal void EmbedResource (string name, byte[] blob, ResourceAttributes attribute)
 202                 {
 203                         if (resources != null) {
 204                                 MonoResource[] new_r = new MonoResource [resources.Length + 1];
 205                                 System.Array.Copy(resources, new_r, resources.Length);
 206                                 resources = new_r;
 207                         } else {
 208                                 resources = new MonoResource [1];
 209                         }
 210                         int p = resources.Length - 1;
 211                         resources [p].name = name;
 212                         resources [p].attrs = attribute;
 213                         resources [p].data = blob;
 214                 }
 215
 216                 public ModuleBuilder DefineDynamicModule (string name)
 217                 {
 218                         return DefineDynamicModule (name, name, false, true);
 219                 }
 220
 221                 public ModuleBuilder DefineDynamicModule (string name, bool emitSymbolInfo)
 222                 {
 223                         return DefineDynamicModule (name, name, emitSymbolInfo, true);
 224                 }
 225
 226                 public ModuleBuilder DefineDynamicModule(string name, string fileName)
 227                 {
 228                         return DefineDynamicModule (name, fileName, false, false);
 229                 }
 230
 231                 public ModuleBuilder DefineDynamicModule (string name, string fileName,
 232                                                           bool emitSymbolInfo)
 233                 {
 234                         return DefineDynamicModule (name, fileName, emitSymbolInfo, false);
 235                 }
 236
 237                 private ModuleBuilder DefineDynamicModule (string name, string fileName,
 238                                                                                                    bool emitSymbolInfo, bool transient)
 239                 {
 240                         check_name_and_filename (name, fileName, false);
 241
 242                         if (!transient) {
 243                                 if (Path.GetExtension (fileName) == String.Empty)
 244                                         throw new ArgumentException ("Module file name '" + fileName + "' must have file extension.");
 245                                 if (!IsSave)
 246                                         throw new NotSupportedException ("Persistable modules are not supported in a dynamic assembly created with AssemblyBuilderAccess.Run");
 247                                 if (created)
 248                                         throw new InvalidOperationException ("Assembly was already saved.");
 249                         }
 250
 251                         ModuleBuilder r = new ModuleBuilder (this, name, fileName, emitSymbolInfo, transient);
 252
 253                         if ((modules != null) && is_module_only)
 254                                 throw new InvalidOperationException ("A module-only assembly can only contain one module.");
 255
 256                         if (modules != null) {
 257                                 ModuleBuilder[] new_modules = new ModuleBuilder [modules.Length + 1];
 258                                 System.Array.Copy(modules, new_modules, modules.Length);
 259                                 modules = new_modules;
 260                         } else {
 261                                 modules = new ModuleBuilder [1];
 262                         }
 263                         modules [modules.Length - 1] = r;
 264                         return r;
 265                 }
 266
 267                 [MethodImplAttribute(MethodImplOptions.InternalCall)]
 268                 private extern Module InternalAddModule (string fileName);
 269
 270                 /*
 271                  * Mono extension to support /addmodule in mcs.
 272                  */
 273                 internal Module AddModule (string fileName)
 274                 {
 275                         if (fileName == null)
 276                                 throw new ArgumentNullException (fileName);
 277
 278                         Module m = InternalAddModule (fileName);
 279
 280                         if (loaded_modules != null) {
 281                                 Module[] new_modules = new Module [loaded_modules.Length + 1];
 282                                 System.Array.Copy (loaded_modules, new_modules, loaded_modules.Length);
 283                                 loaded_modules = new_modules;
 284                         } else {
 285                                 loaded_modules = new Module [1];
 286                         }
 287                         loaded_modules [loaded_modules.Length - 1] = m;
 288
 289                         return m;
 290                 }
 291
 292                 public IResourceWriter DefineResource (string name, string description, string fileName)
 293                 {
 294                         return DefineResource (name, description, fileName, ResourceAttributes.Public);
 295                 }
 296
 297                 public IResourceWriter DefineResource (string name, string description,
 298                                                        string fileName, ResourceAttributes attribute)
 299                 {
 300                         IResourceWriter writer;
 301
 302                         // description seems to be ignored
 303                         AddResourceFile (name, fileName, attribute, false);
 304                         writer = new ResourceWriter (fileName);
 305                         if (resource_writers == null)
 306                                 resource_writers = new ArrayList ();
 307                         resource_writers.Add (writer);
 308                         return writer;
 309                 }
 310
 311                 private void AddUnmanagedResource (Win32Resource res) {
 312                         MemoryStream ms = new MemoryStream ();
 313                         res.WriteTo (ms);
 314
 315                         if (win32_resources != null) {
 316                                 MonoWin32Resource[] new_res = new MonoWin32Resource [win32_resources.Length + 1];
 317                                 System.Array.Copy (win32_resources, new_res, win32_resources.Length);
 318                                 win32_resources = new_res;
 319                         }
 320                         else
 321                                 win32_resources = new MonoWin32Resource [1];
 322
 323                         win32_resources [win32_resources.Length - 1] = new MonoWin32Resource (res.Type.Id, res.Name.Id, res.Language, ms.ToArray ());
 324                 }
 325
 326                 [MonoTODO]
 327                 public void DefineUnmanagedResource (byte[] resource)
 328                 {
 329                         if (resource == null)
 330                                 throw new ArgumentNullException ("resource");
 331
 332                         /*
 333                          * The format of the argument byte array is not documented
 334                          * so this method is impossible to implement.
 335                          */
 336
 337                         throw new NotImplementedException ();
 338                 }
 339
 340                 public void DefineUnmanagedResource (string resourceFileName)
 341                 {
 342                         if (resourceFileName == null)
 343                                 throw new ArgumentNullException ("resourceFileName");
 344                         if (resourceFileName == String.Empty)
 345                                 throw new ArgumentException ("resourceFileName");
 346                         if (!File.Exists (resourceFileName) || Directory.Exists (resourceFileName))
 347                                 throw new FileNotFoundException ("File '" + resourceFileName + "' does not exists or is a directory.");
 348
 349                         using (FileStream fs = new FileStream (resourceFileName, FileMode.Open)) {
 350                                 Win32ResFileReader reader = new Win32ResFileReader (fs);
 351
 352                                 foreach (Win32EncodedResource res in reader.ReadResources ()) {
 353                                         if (res.Name.IsName || res.Type.IsName)
 354                                                 throw new InvalidOperationException ("resource files with named resources or non-default resource types are not supported.");
 355
 356                                         AddUnmanagedResource (res);
 357                                 }
 358                         }
 359                 }
 360
 361                 public void DefineVersionInfoResource ()
 362                 {
 363                         if (version_res != null)
 364                                 throw new ArgumentException ("Native resource has already been defined.");
 365
 366                         version_res = new Win32VersionResource (1, 0);
 367
 368                         if (cattrs != null) {
 369                                 foreach (CustomAttributeBuilder cb in cattrs) {
 370                                         string attrname = cb.Ctor.ReflectedType.FullName;
 371
 372                                         if (attrname == "System.Reflection.AssemblyProductAttribute")
 373                                                 version_res.ProductName = cb.string_arg ();
 374                                         else if (attrname == "System.Reflection.AssemblyCompanyAttribute")
 375                                                 version_res.CompanyName = cb.string_arg ();
 376                                         else if (attrname == "System.Reflection.AssemblyCopyrightAttribute")
 377                                                 version_res.LegalCopyright = cb.string_arg ();
 378                                         else if (attrname == "System.Reflection.AssemblyTrademarkAttribute")
 379                                                 version_res.LegalTrademarks = cb.string_arg ();
 380                                         else if (attrname == "System.Reflection.AssemblyCultureAttribute")
 381                                                 version_res.FileLanguage = new CultureInfo (cb.string_arg ()).LCID;
 382                                         else if (attrname == "System.Reflection.AssemblyFileVersionAttribute")
 383                                                 version_res.FileVersion = cb.string_arg ();
 384                                         else if (attrname == "System.Reflection.AssemblyInformationalVersionAttribute")
 385                                                 version_res.ProductVersion = cb.string_arg ();
 386                                         else if (attrname == "System.Reflection.AssemblyTitleAttribute")
 387                                                 version_res.FileDescription = cb.string_arg ();
 388                                         else if (attrname == "System.Reflection.AssemblyDescriptionAttribute")
 389                                                 version_res.Comments = cb.string_arg ();
 390                                 }
 391                         }
 392                 }
 393
 394                 public void DefineVersionInfoResource (string product, string productVersion,
 395                                                        string company, string copyright, string trademark)
 396                 {
 397                         if (version_res != null)
 398                                 throw new ArgumentException ("Native resource has already been defined.");
 399
 400                         /*
 401                          * We can only create the resource later, when the file name and
 402                          * the binary version is known.
 403                          */
 404
 405                         version_res = new Win32VersionResource (1, 0);
 406                         version_res.ProductName = product;
 407                         version_res.ProductVersion = productVersion;
 408                         version_res.CompanyName = company;
 409                         version_res.LegalCopyright = copyright;
 410                         version_res.LegalTrademarks = trademark;
 411                 }
 412
 413                 /*
 414                  * Mono extension to support /win32icon in mcs
 415                  */
 416                 internal void DefineIconResource (string iconFileName)
 417                 {
 418                         if (iconFileName == null)
 419                                 throw new ArgumentNullException ("iconFileName");
 420                         if (iconFileName == String.Empty)
 421                                 throw new ArgumentException ("iconFileName");
 422                         if (!File.Exists (iconFileName) || Directory.Exists (iconFileName))
 423                                 throw new FileNotFoundException ("File '" + iconFileName + "' does not exists or is a directory.");
 424
 425                         using (FileStream fs = new FileStream (iconFileName, FileMode.Open)) {
 426                                 Win32IconFileReader reader = new Win32IconFileReader (fs);
 427
 428                                 ICONDIRENTRY[] entries = reader.ReadIcons ();
 429
 430                                 Win32IconResource[] icons = new Win32IconResource [entries.Length];
 431                                 for (int i = 0; i < entries.Length; ++i) {
 432                                         icons [i] = new Win32IconResource (i + 1, 0, entries [i]);
 433                                         AddUnmanagedResource (icons [i]);
 434                                 }
 435
 436                                 Win32GroupIconResource group = new Win32GroupIconResource (1, 0, icons);
 437                                 AddUnmanagedResource (group);
 438                         }
 439                 }
 440
 441                 private void DefineVersionInfoResourceImpl (string fileName) {
 442                         // Add missing info
 443                         if (version_res.FileVersion == "0.0.0.0")
 444                                 version_res.FileVersion = version;
 445                         version_res.InternalName = Path.GetFileNameWithoutExtension (fileName);
 446                         version_res.OriginalFilename = fileName;
 447
 448                         AddUnmanagedResource (version_res);
 449                 }
 450
 451                 public ModuleBuilder GetDynamicModule (string name)
 452                 {
 453                         if (name == null)
 454                                 throw new ArgumentNullException ("name");
 455                         if (name == "")
 456                                 throw new ArgumentException ("Name can't be null");
 457
 458                         if (modules != null)
 459                                 for (int i = 0; i < modules.Length; ++i)
 460                                         if (modules [i].name == name)
 461                                                 return modules [i];
 462                         return null;
 463                 }
 464
 465                 public override Type[] GetExportedTypes ()
 466                 {
 467                         throw not_supported ();
 468                 }
 469
 470                 public override FileStream GetFile (string name)
 471                 {
 472                         throw not_supported ();
 473                 }
 474
 475                 public override FileStream[] GetFiles() {
 476                         throw not_supported ();
 477                 }
 478
 479                 public override FileStream[] GetFiles(bool getResourceModules) {
 480                         throw not_supported ();
 481                 }
 482
 483                 public override ManifestResourceInfo GetManifestResourceInfo(string resourceName) {
 484                         throw not_supported ();
 485                 }
 486
 487                 public override string[] GetManifestResourceNames() {
 488                         throw not_supported ();
 489                 }
 490
 491                 public override Stream GetManifestResourceStream(string name) {
 492                         throw not_supported ();
 493                 }
 494                 public override Stream GetManifestResourceStream(Type type, string name) {
 495                         throw not_supported ();
 496                 }
 497
 498                 internal bool IsSave {
 499                         get {
 500                                 return access != (uint)AssemblyBuilderAccess.Run;
 501                         }
 502                 }
 503
 504                 internal string AssemblyDir {
 505                         get {
 506                                 return dir;
 507                         }
 508                 }
 509
 510                 /*
 511                  * Mono extension. If this is set, the assembly can only contain one
 512                  * module, access should be Save, and the saved image will not contain an
 513                  * assembly manifest.
 514                  */
 515                 internal bool IsModuleOnly {
 516                         get {
 517                                 return is_module_only;
 518                         }
 519                         set {
 520                                 is_module_only = value;
 521                         }
 522                 }
 523
 524                 public void Save (string assemblyFileName)
 525                 {
 526                         if (resource_writers != null) {
 527                                 foreach (IResourceWriter writer in resource_writers) {
 528                                         writer.Generate ();
 529                                         writer.Close ();
 530                                 }
 531                         }
 532
 533                         // Create a main module if not already created
 534                         ModuleBuilder mainModule = null;
 535                         if (modules != null) {
 536                                 foreach (ModuleBuilder module in modules)
 537                                         if (module.FullyQualifiedName == assemblyFileName)
 538                                                 mainModule = module;
 539                         }
 540                         if (mainModule == null)
 541                                 mainModule = DefineDynamicModule ("RefEmit_OnDiskManifestModule", assemblyFileName);
 542
 543                         if (!is_module_only)
 544                                 mainModule.IsMain = true;
 545
 546                         /*
 547                          * Create a new entry point if the one specified
 548                          * by the user is in another module.
 549                          */
 550                         if ((entry_point != null) && entry_point.DeclaringType.Module != mainModule) {
 551                                 Type[] paramTypes;
 552                                 if (entry_point.GetParameters ().Length == 1)
 553                                         paramTypes = new Type [] { typeof (string) };
 554                                 else
 555                                         paramTypes = new Type [0];
 556
 557                                 MethodBuilder mb = mainModule.DefineGlobalMethod ("__EntryPoint$", MethodAttributes.Static|MethodAttributes.PrivateScope, entry_point.ReturnType, paramTypes);
 558                                 ILGenerator ilgen = mb.GetILGenerator ();
 559                                 if (paramTypes.Length == 1)
 560                                         ilgen.Emit (OpCodes.Ldarg_0);
 561                                 ilgen.Emit (OpCodes.Tailcall);
 562                                 ilgen.Emit (OpCodes.Call, entry_point);
 563                                 ilgen.Emit (OpCodes.Ret);
 564
 565                                 entry_point = mb;
 566                         }
 567
 568                         if (version_res != null)
 569                                 DefineVersionInfoResourceImpl (assemblyFileName);
 570
 571                         if ((keyfile_name != null) && (keyfile_name != String.Empty)) {
 572                                 // the StrongName key file may be relative to (a) the compiled
 573                                 // file or (b) to the output assembly. See bugzilla #55320
 574                                 // http://bugzilla.ximian.com/show_bug.cgi?id=55320
 575
 576                                 // (a) relative to the compiled file
 577                                 string filename = Path.GetFullPath (keyfile_name);
 578                                 bool exist = File.Exists (filename);
 579                                 if ((!exist) && (AssemblyDir != null)) {
 580                                         // (b) relative to the outputed assembly
 581                                         filename = Path.GetFullPath (Path.Combine (AssemblyDir, keyfile_name));
 582                                         exist = File.Exists (filename);
 583                                 }
 584
 585                                 if (exist) {
 586                                         using (FileStream fs = new FileStream (filename, FileMode.Open)) {
 587                                                 byte[] snkeypair = new byte [fs.Length];
 588                                                 fs.Read (snkeypair, 0, snkeypair.Length);
 589
 590                                                 // this will import public or private/public keys
 591                                                 RSA rsa = CryptoConvert.FromCapiKeyBlob (snkeypair);
 592                                                 // and export only the public part
 593                                                 sn = new Mono.Security.StrongName (rsa);
 594                                                 public_key = sn.PublicKey;
 595                                         }
 596                                 }
 597                         }
 598
 599                         foreach (ModuleBuilder module in modules)
 600                                 if (module != mainModule)
 601                                         module.Save ();
 602
 603                         // Write out the main module at the end, because it needs to
 604                         // contain the hash of the other modules
 605                         mainModule.Save ();
 606
 607                         // if not delayed then we directly strongname the assembly
 608                         if ((sn != null) && (!delay_sign)) {
 609                                 sn.Sign (System.IO.Path.Combine (this.AssemblyDir, assemblyFileName));
 610                         }
 611
 612                         created = true;
 613                 }
 614
 615                 public void SetEntryPoint (MethodInfo entryMethod)
 616                 {
 617                         SetEntryPoint (entryMethod, PEFileKinds.ConsoleApplication);
 618                 }
 619
 620                 public void SetEntryPoint (MethodInfo entryMethod, PEFileKinds fileKind)
 621                 {
 622                         if (entryMethod == null)
 623                                 throw new ArgumentNullException ("entryMethod");
 624                         if (entryMethod.DeclaringType.Assembly != this)
 625                                 throw new InvalidOperationException ("Entry method is not defined in the same assembly.");
 626
 627                         entry_point = entryMethod;
 628                         pekind = fileKind;
 629                 }
 630
 631                 public void SetCustomAttribute( CustomAttributeBuilder customBuilder)
 632                 {
 633                         if (customBuilder == null)
 634                                 throw new ArgumentNullException ("customBuilder");
 635
 636                         string attrname = customBuilder.Ctor.ReflectedType.FullName;
 637                         byte[] data;
 638                         int len, pos;
 639
 640                         if (attrname == "System.Reflection.AssemblyVersionAttribute") {
 641                                 version = create_assembly_version (customBuilder.string_arg ());
 642                                 return;
 643                         } else if (attrname == "System.Reflection.AssemblyKeyFileAttribute") {
 644                                 keyfile_name = customBuilder.string_arg ();
 645                                 return;
 646                         } else if (attrname == "System.Reflection.AssemblyKeyNameAttribute") {
 647                                 string key_name = customBuilder.string_arg ();
 648                                 if (key_name == String.Empty)
 649                                         return;
 650                                 CspParameters csparam = new CspParameters ();
 651                                 csparam.KeyContainerName = key_name;
 652                                 RSA rsacsp = new RSACryptoServiceProvider (csparam);
 653                                 sn = new Mono.Security.StrongName (rsacsp);
 654                                 public_key = sn.PublicKey;
 655                                 return;
 656                         } else if (attrname == "System.Reflection.AssemblyCultureAttribute") {
 657                                 culture = customBuilder.string_arg ();
 658                         } else if (attrname == "System.Reflection.AssemblyAlgorithmIdAttribute") {
 659                                 data = customBuilder.Data;
 660                                 pos = 2;
 661                                 algid = (uint)data [pos];
 662                                 algid |= ((uint)data [pos + 1]) << 8;
 663                                 algid |= ((uint)data [pos + 2]) << 16;
 664                                 algid |= ((uint)data [pos + 3]) << 24;
 665                         } else if (attrname == "System.Reflection.AssemblyFlagsAttribute") {
 666                                 data = customBuilder.Data;
 667                                 pos = 2;
 668                                 flags = (uint)data [pos];
 669                                 flags |= ((uint)data [pos + 1]) << 8;
 670                                 flags |= ((uint)data [pos + 2]) << 16;
 671                                 flags |= ((uint)data [pos + 3]) << 24;
 672                                 return;
 673                         } else if (attrname == "System.Reflection.AssemblyDelaySignAttribute") {
 674                                 data = customBuilder.Data;
 675                                 pos = 2;
 676                                 delay_sign = data [2] != 0;
 677                         }
 678                         if (cattrs != null) {
 679                                 CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
 680                                 cattrs.CopyTo (new_array, 0);
 681                                 new_array [cattrs.Length] = customBuilder;
 682                                 cattrs = new_array;
 683                         } else {
 684                                 cattrs = new CustomAttributeBuilder [1];
 685                                 cattrs [0] = customBuilder;
 686                         }
 687                 }
 688                 public void SetCustomAttribute ( ConstructorInfo con, byte[] binaryAttribute) {
 689                         if (con == null)
 690                                 throw new ArgumentNullException ("con");
 691                         if (binaryAttribute == null)
 692                                 throw new ArgumentNullException ("binaryAttribute");
 693
 694                         SetCustomAttribute (new CustomAttributeBuilder (con, binaryAttribute));
 695                 }
 696
 697                 public void SetCorlibTypeBuilders (Type corlib_object_type, Type corlib_value_type, Type corlib_enum_type) {
 698                         this.corlib_object_type = corlib_object_type;
 699                         this.corlib_value_type = corlib_value_type;
 700                         this.corlib_enum_type = corlib_enum_type;
 701                 }
 702
 703                 public void SetCorlibTypeBuilders (Type corlib_object_type, Type corlib_value_type, Type corlib_enum_type, Type corlib_void_type)
 704                 {
 705                         SetCorlibTypeBuilders (corlib_object_type, corlib_value_type, corlib_enum_type);
 706                         this.corlib_void_type = corlib_void_type;
 707                 }
 708
 709                 private Exception not_supported () {
 710                         // Strange message but this is what MS.NET prints...
 711                         return new NotSupportedException ("The invoked member is not supported in a dynamic module.");
 712                 }
 713
 714                 private void check_name_and_filename (string name, string fileName,
 715                                                                                           bool fileNeedsToExists) {
 716                         if (name == null)
 717                                 throw new ArgumentNullException ("name");
 718                         if (fileName == null)
 719                                 throw new ArgumentNullException ("fileName");
 720                         if (name == "")
 721                                 throw new ArgumentException ("name cannot be empty", "name");
 722                         if (fileName == "")
 723                                 throw new ArgumentException ("fileName cannot be empty", "fileName");
 724                         if (Path.GetFileName (fileName) != fileName)
 725                                 throw new ArgumentException ("fileName '" + fileName + "' must not include a path.");
 726
 727                         // Resource files are created/searched under the assembly storage
 728                         // directory
 729                         string fullFileName = fileName;
 730                         if (dir != null)
 731                                 fullFileName = Path.Combine (dir, fileName);
 732
 733                         if (fileNeedsToExists && !File.Exists (fullFileName))
 734                                 throw new FileNotFoundException ("Could not find file '" + fileName + "'");
 735
 736                         if (resources != null) {
 737                                 for (int i = 0; i < resources.Length; ++i) {
 738                                         if (resources [i].filename == fullFileName)
 739                                                 throw new ArgumentException ("Duplicate file name '" + fileName + "'");
 740                                         if (resources [i].name == name)
 741                                                 throw new ArgumentException ("Duplicate name '" + name + "'");
 742                                 }
 743                         }
 744
 745                         if (modules != null) {
 746                                 for (int i = 0; i < modules.Length; ++i) {
 747                                         // Use fileName instead of fullFileName here
 748                                         if (!modules [i].IsTransient () && (modules [i].FileName == fileName))
 749                                                 throw new ArgumentException ("Duplicate file name '" + fileName + "'");
 750                                         if (modules [i].Name == name)
 751                                                 throw new ArgumentException ("Duplicate name '" + name + "'");
 752                                 }
 753                         }
 754                 }
 755
 756                 private String create_assembly_version (String version) {
 757                         String[] parts = version.Split ('.');
 758                         int[] ver = new int [4] { 0, 0, 0, 0 };
 759
 760                         if ((parts.Length < 0) || (parts.Length > 4))
 761                                 throw new ArgumentException ("The version specified '" + version + "' is invalid");
 762
 763                         for (int i = 0; i < parts.Length; ++i) {
 764                                 if (parts [i] == "*") {
 765                                         DateTime now = DateTime.Now;
 766
 767                                         if (i == 2) {
 768                                                 ver [2] = (now - new DateTime (2000, 1, 1)).Days;
 769                                                 if (parts.Length == 3)
 770                                                         ver [3] = (now.Second + (now.Minute * 60) + (now.Hour * 3600)) / 2;
 771                                         }
 772                                         else
 773                                                 if (i == 3)
 774                                                         ver [3] = (now.Second + (now.Minute * 60) + (now.Hour * 3600)) / 2;
 775                                         else
 776                                                 throw new ArgumentException ("The version specified '" + version + "' is invalid");
 777                                 }
 778                                 else {
 779                                         try {
 780                                                 ver [i] = Int32.Parse (parts [i]);
 781                                         }
 782                                         catch (FormatException) {
 783                                                 throw new ArgumentException ("The version specified '" + version + "' is invalid");
 784                                         }
 785                                 }
 786                         }
 787
 788                         return ver [0] + "." + ver [1] + "." + ver [2] + "." + ver [3];
 789                 }
 790         }
 791 }