mcs/tools/gacutil/driver.cs

   1 //
   2 // Mono.Tools.GacUtil
   3 //
   4 // Author(s):
   5 //  Todd Berman <tberman@sevenl.net>
   6 //  Jackson Harper <jackson@ximian.com>
   7 //
   8 // Copyright 2003, 2004 Todd Berman
   9 // Copyright 2004 Novell, Inc (http://www.novell.com)
  10 //
  11
  12
  13 using System;
  14 using System.IO;
  15 using System.Diagnostics;
  16 using System.Text;
  17 using System.Reflection;
  18 using System.Collections;
  19 using System.Globalization;
  20 using System.Runtime.InteropServices;
  21 using System.Security.Cryptography;
  22
  23 using Mono.Security;
  24 using Mono.Security.Cryptography;
  25
  26 namespace Mono.Tools {
  27
  28         public class Driver {
  29
  30                 private enum Command {
  31                         Unknown,
  32                         Install,
  33                         InstallFromList,
  34                         Uninstall,
  35                         UninstallFromList,
  36                         UninstallSpecific,
  37                         List,
  38                         Help
  39                 }
  40
  41                 private enum VerificationResult
  42                 {
  43                         StrongNamed,
  44                         WeakNamed,
  45                         DelaySigned,
  46                         Skipped
  47                 }
  48
  49                 private static bool silent;
  50                 static bool in_bootstrap;
  51
  52                 public static int Main (string [] args)
  53                 {
  54                         if (args.Length == 0)
  55                                 Usage ();
  56
  57                         Command command = Command.Unknown;
  58                         string command_str = null;
  59
  60                         string libdir;
  61                         string name, package, gacdir, root;
  62                         name = package = root = gacdir = null;
  63                         bool check_refs = false;
  64
  65                         // Check for silent arg first so we can suppress
  66                         // warnings during command line parsing
  67                         if (Array.IndexOf (args, "/silent") > -1 || Array.IndexOf (args, "-silent") > -1)
  68                                 silent = true;
  69
  70                         for (int i=0; i<args.Length; i++) {
  71                                 if (IsSwitch (args [i])) {
  72
  73                                         // for cmd line compatibility with other gacutils
  74                                         // we always force it though
  75                                         if (args [i] == "-f" || args [i] == "/f")
  76                                                 continue;
  77
  78                                         // Ignore this option for now, although we might implement it someday
  79                                         if (args [i] == "/r") {
  80                                                 WriteLine ("WARNING: gacutil does not support traced references." +
  81                                                         "This option is being ignored.");
  82                                                 i += 3;
  83                                                 continue;
  84                                         }
  85
  86                                         // This is already handled we just dont want to choke on it
  87                                         if (args [i] == "-silent" || args [i] == "/silent")
  88                                                 continue;
  89
  90                                         if (args [i] == "-check_refs" || args [i] == "/check_refs") {
  91                                                 check_refs = true;
  92                                                 continue;
  93                                         }
  94
  95                                         if (args [i] == "-bootstrap" || args [i] == "/bootstrap") {
  96                                                 in_bootstrap = true;
  97                                                 continue;
  98                                         }
  99
 100                                         if (command == Command.Unknown) {
 101                                                 command = GetCommand (args [i]);
 102                                                 if (command != Command.Unknown) {
 103                                                         command_str = args [i];
 104                                                         continue;
 105                                                 }
 106                                         }
 107
 108                                         if (i + 1 >= args.Length) {
 109                                                 Console.WriteLine ("Option " + args [i] + " takes 1 argument");
 110                                                 return 1;
 111                                         }
 112
 113                                         switch (args [i]) {
 114                                         case "-package":
 115                                         case "/package":
 116                                                 package = args [++i];
 117                                                 continue;
 118                                         case "-root":
 119                                         case "/root":
 120                                                 root = args [++i];
 121                                                 continue;
 122                                         case "-gacdir":
 123                                         case "/gacdir":
 124                                                 gacdir = args [++i];
 125                                                 continue;
 126                                         case "/nologo":
 127                                         case "-nologo":
 128                                                 // we currently don't display a
 129                                                 // logo banner, so ignore it
 130                                                 // for command-line compatibility
 131                                                 // with MS gacutil
 132                                                 continue;
 133                                         }
 134                                 }
 135                                 if (name == null)
 136                                         name = args [i];
 137                                 else
 138                                         name += args [i];
 139                         }
 140
 141                         if (command == Command.Unknown && IsSwitch (args [0])) {
 142                                 Console.WriteLine ("Unknown command: " + args [0]);
 143                                 return 1;
 144                         } else if (command == Command.Unknown) {
 145                                 Usage ();
 146                         } else if (command == Command.Help) {
 147                                 ShowHelp (true);
 148                                 return 1;
 149                         }
 150
 151                         if (gacdir == null) {
 152                                 gacdir = GetGacDir ();
 153                                 libdir = GetLibDir ();
 154                         } else {
 155                                 gacdir = EnsureLib (gacdir);
 156                                 libdir = Path.Combine (gacdir, "mono");
 157                                 gacdir = Path.Combine (libdir, "gac");
 158                         }
 159
 160                         string link_gacdir = gacdir;
 161                         string link_libdir = libdir;
 162                         if (root != null) {
 163                                 libdir = Path.Combine (root, "mono");
 164                                 gacdir = Path.Combine (libdir, "gac");
 165                         }
 166
 167                         LoadConfig (silent);
 168
 169                         switch (command) {
 170                         case Command.Install:
 171                                 if (name == null) {
 172                                         WriteLine ("Option " + command_str + " takes 1 argument");
 173                                         return 1;
 174                                 }
 175                                 if (!Install (check_refs, name, package, gacdir, link_gacdir, libdir, link_libdir))
 176                                         return 1;
 177                                 break;
 178                         case Command.InstallFromList:
 179                                 if (name == null) {
 180                                         WriteLine ("Option " + command_str + " takes 1 argument");
 181                                         return 1;
 182                                 }
 183                                 if (!InstallFromList (check_refs, name, package, gacdir, link_gacdir, libdir, link_libdir))
 184                                         return 1;
 185                                 break;
 186                         case Command.Uninstall:
 187                                 if (name == null) {
 188                                         WriteLine ("Option " + command_str + " takes 1 argument");
 189                                         return 1;
 190                                 }
 191                                 int uninstallCount = 0;
 192                                 int uninstallFailures = 0;
 193                                 Uninstall (name, package, gacdir, libdir, false,
 194                                         ref uninstallCount, ref uninstallFailures);
 195                                 WriteLine ("Assemblies uninstalled = {0}", uninstallCount);
 196                                 WriteLine ("Failures = {0}", uninstallFailures);
 197                                 if (uninstallFailures > 0)
 198                                         return 1;
 199                                 break;
 200                         case Command.UninstallFromList:
 201                                 if (name == null) {
 202                                         WriteLine ("Option " + command_str + " takes 1 argument");
 203                                         return 1;
 204                                 }
 205                                 if (!UninstallFromList (name, package, gacdir, libdir))
 206                                         return 1;
 207                                 break;
 208                         case Command.UninstallSpecific:
 209                                 if (name == null) {
 210                                         WriteLine ("Option " + command_str + " takes 1 argument");
 211                                         return 1;
 212                                 }
 213                                 if (!UninstallSpecific (name, package, gacdir, libdir))
 214                                         return 1;
 215                                 break;
 216                         case Command.List:
 217                                 List (name, gacdir);
 218                                 break;
 219                         }
 220
 221                         return 0;
 222                 }
 223
 224                 static void Copy (string source, string target, bool v)
 225                 {
 226                         try {
 227                                 File.Delete (target);
 228                         } catch {}
 229                         File.Copy (source, target, v);
 230                 }
 231
 232                 private static bool Install (bool check_refs, string name, string package,
 233                                 string gacdir, string link_gacdir, string libdir, string link_libdir)
 234                 {
 235                         string failure_msg = "Failure adding assembly {0} to the cache: ";
 236                         ArrayList resources;
 237
 238                         if (!File.Exists (name)) {
 239                                 WriteLine (string.Format (failure_msg, name) + "The system cannot find the file specified.");
 240                                 return false;
 241                         }
 242
 243                         Assembly assembly = null;
 244                         AssemblyName an = null;
 245
 246                         try {
 247                                 assembly = Assembly.LoadFrom (name);
 248                         } catch {
 249                                 WriteLine (string.Format (failure_msg, name) + "The file specified is not a valid assembly.");
 250                                 return false;
 251                         }
 252
 253                         an = assembly.GetName ();
 254
 255                         switch (VerifyStrongName (an, name)) {
 256                         case VerificationResult.StrongNamed:
 257                         case VerificationResult.Skipped:
 258                                 break;
 259                         case VerificationResult.WeakNamed:
 260                                 WriteLine (string.Format (failure_msg, name) + "Attempt to install an assembly without a strong name"
 261                                         + (in_bootstrap ? "(continuing anyway)" : string.Empty));
 262                                 if (!in_bootstrap)
 263                                         return false;
 264                                 break;
 265                         case VerificationResult.DelaySigned:
 266                                 WriteLine (string.Format (failure_msg, name) + "Strong name cannot be verified for delay-signed assembly"
 267                                         + (in_bootstrap ? "(continuing anyway)" : string.Empty));
 268                                 if (!in_bootstrap)
 269                                         return false;
 270                                 break;
 271                         }
 272
 273                         resources = new ArrayList ();
 274                         foreach (string res_name in assembly.GetManifestResourceNames ()) {
 275                                 ManifestResourceInfo res_info = assembly.GetManifestResourceInfo (res_name);
 276
 277                                 if ((res_info.ResourceLocation & ResourceLocation.Embedded) == 0) {
 278                                         if (!File.Exists (res_info.FileName)) {
 279                                                 WriteLine (string.Format (failure_msg, name) + "The system cannot find resource " + res_info.FileName);
 280                                                 return false;
 281                                         }
 282
 283                                         resources.Add (res_info);
 284                                 }
 285                         }
 286
 287                         if (check_refs && !CheckReferencedAssemblies (an)) {
 288                                 WriteLine (string.Format (failure_msg, name) +
 289                                         "Attempt to install an assembly that " +
 290                                         "references non strong named assemblies " +
 291                                         "with -check_refs enabled.");
 292                                 return false;
 293                         }
 294
 295                         string [] siblings = { ".config", ".mdb" };
 296                         string version_token = an.Version + "_" +
 297                                                an.CultureInfo.Name.ToLower (CultureInfo.InvariantCulture) + "_" +
 298                                                GetStringToken (an.GetPublicKeyToken ());
 299                         string full_path = Path.Combine (Path.Combine (gacdir, an.Name), version_token);
 300                         string asmb_file = Path.GetFileName (name);
 301                         string asmb_path = Path.Combine (full_path, asmb_file);
 302                         string asmb_name = assembly.GetName ().Name;
 303
 304                         if (Path.GetFileNameWithoutExtension (asmb_file) != asmb_name) {
 305                                 WriteLine (string.Format (failure_msg, name) +
 306                                     string.Format ("the filename \"{0}\" doesn't match the assembly name \"{1}\"",
 307                                         asmb_file, asmb_name));
 308                                 return false;
 309                         }
 310
 311                         try {
 312                                 if (Directory.Exists (full_path)) {
 313                                         // Wipe out the directory. This way we ensure old assemblies
 314                                         // config files, and AOTd files are removed.
 315                                         Directory.Delete (full_path, true);
 316                                 }
 317                                 Directory.CreateDirectory (full_path);
 318                         } catch {
 319                                 WriteLine (string.Format (failure_msg, name) +
 320                                         "gac directories could not be created, " +
 321                                         "possibly permission issues.");
 322                                 return false;
 323                         }
 324
 325                         Copy (name, asmb_path, true);
 326
 327                         var name_pdb = Path.ChangeExtension (name, ".pdb");
 328                         if (File.Exists (name_pdb)) {
 329                                 Copy (name_pdb, Path.ChangeExtension (asmb_path, ".pdb"), true);
 330                         }
 331
 332                         foreach (string ext in siblings) {
 333                                 string sibling = String.Concat (name, ext);
 334                                 if (File.Exists (sibling))
 335                                         Copy (sibling, String.Concat (asmb_path, ext), true);
 336                         }
 337
 338                         foreach (ManifestResourceInfo resource_info in resources) {
 339                                 try {
 340                                         Copy (resource_info.FileName, Path.Combine (full_path, Path.GetFileName (resource_info.FileName)), true);
 341                                 } catch {
 342                                         WriteLine ("ERROR: Could not install resource file " + resource_info.FileName);
 343                                         Environment.Exit (1);
 344                                 }
 345                         }
 346
 347                         if (package != null) {
 348                                 string ref_dir = Path.Combine (libdir, package);
 349                                 string ref_path = Path.Combine (ref_dir, asmb_file);
 350
 351                                 if (File.Exists (ref_path))
 352                                         File.Delete (ref_path);
 353                                 try {
 354                                         Directory.CreateDirectory (ref_dir);
 355                                 } catch {
 356                                         WriteLine ("ERROR: Could not create package dir file.");
 357                                         Environment.Exit (1);
 358                                 }
 359                                 if (Path.DirectorySeparatorChar == '/') {
 360                                         string pkg_path_abs = Path.Combine (gacdir, Path.Combine (an.Name, Path.Combine (version_token, asmb_file)));
 361                                         string pkg_path = AbsoluteToRelativePath (ref_dir, pkg_path_abs);
 362                                         symlink (pkg_path, ref_path);
 363
 364                                         var pdb_pkg_path = Path.ChangeExtension (pkg_path, ".pdb");
 365                                         var pdb_ref_path = Path.ChangeExtension (ref_path, ".pdb");
 366
 367                                         if (File.Exists (pdb_pkg_path)) {
 368                                                 symlink (pdb_pkg_path, pdb_ref_path);
 369                                         } else {
 370                                                 try {
 371                                                         File.Delete (pdb_ref_path);
 372                                                 } catch {
 373                                                         // Ignore error, just delete files that should not be there.
 374                                                 }
 375                                         }
 376
 377                                         foreach (string ext in siblings) {
 378                                                 string sibling = String.Concat (pkg_path, ext);
 379                                                 string sref = String.Concat (ref_path, ext);
 380
 381                                                 if (File.Exists (sibling))
 382                                                         symlink (sibling, sref);
 383                                                 else {
 384                                                         try {
 385                                                                 File.Delete (sref);
 386                                                         } catch {
 387                                                                 // Ignore error, just delete files that should not be there.
 388                                                         }
 389                                                 }
 390                                         }
 391                                         WriteLine ("Package exported to: {0} -> {1}", ref_path, pkg_path);
 392                                 } else {
 393                                         // string link_path = Path.Combine (Path.Combine (link_gacdir, an.Name), version_token);
 394                                         //
 395                                         // We can't use 'link_path' here, since it need not be a valid path at the time 'gacutil'
 396                                         // is run, esp. when invoked in a DESTDIR install.
 397                                         Copy (name, ref_path, true);
 398                                         WriteLine ("Package exported to: " + ref_path);
 399                                 }
 400                         }
 401
 402                         WriteLine ("Installed {0} into the gac ({1})", name,
 403                                 gacdir);
 404
 405                         return true;
 406                 }
 407
 408                 //from MonoDevelop.Core.FileService
 409                 unsafe static string AbsoluteToRelativePath (string baseDirectoryPath, string absPath)
 410                 {
 411                         if (!Path.IsPathRooted (absPath) || string.IsNullOrEmpty (baseDirectoryPath))
 412                                 return absPath;
 413
 414                         absPath = Path.GetFullPath (absPath);
 415                         baseDirectoryPath = Path.GetFullPath (baseDirectoryPath).TrimEnd (Path.DirectorySeparatorChar);
 416
 417                         fixed (char* bPtr = baseDirectoryPath, aPtr = absPath) {
 418                                 var bEnd = bPtr + baseDirectoryPath.Length;
 419                                 var aEnd = aPtr + absPath.Length;
 420                                 char* lastStartA = aEnd;
 421                                 char* lastStartB = bEnd;
 422
 423                                 int indx = 0;
 424                                 // search common base path
 425                                 var a = aPtr;
 426                                 var b = bPtr;
 427                                 while (a < aEnd) {
 428                                         if (*a != *b)
 429                                                 break;
 430                                         if (IsSeparator (*a)) {
 431                                                 indx++;
 432                                                 lastStartA = a + 1;
 433                                                 lastStartB = b;
 434                                         }
 435                                         a++;
 436                                         b++;
 437                                         if (b >= bEnd) {
 438                                                 if (a >= aEnd || IsSeparator (*a)) {
 439                                                         indx++;
 440                                                         lastStartA = a + 1;
 441                                                         lastStartB = b;
 442                                                 }
 443                                                 break;
 444                                         }
 445                                 }
 446                                 if (indx == 0)
 447                                         return absPath;
 448
 449                                 if (lastStartA >= aEnd)
 450                                         return ".";
 451
 452                                 // handle case a: some/path b: some/path/deeper...
 453                                 if (a >= aEnd) {
 454                                         if (IsSeparator (*b)) {
 455                                                 lastStartA = a + 1;
 456                                                 lastStartB = b;
 457                                         }
 458                                 }
 459
 460                                 // look how many levels to go up into the base path
 461                                 int goUpCount = 0;
 462                                 while (lastStartB < bEnd) {
 463                                         if (IsSeparator (*lastStartB))
 464                                                 goUpCount++;
 465                                         lastStartB++;
 466                                 }
 467                                 var size = goUpCount * 2 + goUpCount + aEnd - lastStartA;
 468                                 var result = new char [size];
 469                                 fixed (char* rPtr = result) {
 470                                         // go paths up
 471                                         var r = rPtr;
 472                                         for (int i = 0; i < goUpCount; i++) {
 473                                                 *(r++) = '.';
 474                                                 *(r++) = '.';
 475                                                 *(r++) = Path.DirectorySeparatorChar;
 476                                         }
 477                                         // copy the remaining absulute path
 478                                         while (lastStartA < aEnd)
 479                                                 *(r++) = *(lastStartA++);
 480                                 }
 481                                 return new string (result);
 482                         }
 483                 }
 484
 485                 static bool IsSeparator (char ch)
 486                 {
 487                         return ch == Path.DirectorySeparatorChar || ch == Path.AltDirectorySeparatorChar || ch == Path.VolumeSeparatorChar;
 488                 }
 489
 490                 private static void Uninstall (string name, string package, string gacdir, string libdir, bool listMode, ref int uninstalled, ref int failures)
 491                 {
 492                         string [] assembly_pieces = name.Split (new char[] { ',' });
 493                         Hashtable asm_info = new Hashtable ();
 494
 495                         foreach (string item in assembly_pieces) {
 496                                 if (item == String.Empty) continue;
 497                                 string[] pieces = item.Trim ().Split (new char[] { '=' }, 2);
 498                                 if(pieces.Length == 1)
 499                                         asm_info ["assembly"] = pieces [0];
 500                                 else
 501                                         asm_info [pieces[0].Trim ().ToLower (CultureInfo.InvariantCulture)] = pieces [1];
 502                         }
 503
 504                         string assembly_name = (string) asm_info ["assembly"];
 505                         string asmdir = Path.Combine (gacdir, assembly_name);
 506                         if (!Directory.Exists (asmdir)) {
 507                                 if (listMode) {
 508                                         failures++;
 509                                         WriteLine ("Assembly: " + name);
 510                                 }
 511                                 WriteLine ("No assemblies found that match: " + name);
 512                                 return;
 513                         }
 514
 515                         string searchString = GetSearchString (asm_info);
 516                         string [] directories = Directory.GetDirectories (asmdir, searchString);
 517
 518                         if (directories.Length == 0) {
 519                                 if (listMode) {
 520                                         failures++;
 521                                         WriteLine ("Assembly: " + name);
 522                                         WriteLine ("No assemblies found that match: " + name);
 523                                 }
 524                                 return;
 525                         }
 526
 527                         for (int i = 0; i < directories.Length; i++) {
 528                                 if (listMode && i > 0)
 529                                         break;
 530
 531                                 string dir = directories [i];
 532                                 string extension = null;
 533
 534                                 if (File.Exists (Path.Combine (dir, assembly_name + ".dll"))) {
 535                                         extension = ".dll";
 536                                 } else if (File.Exists (Path.Combine (dir, assembly_name + ".exe"))) {
 537                                         extension = ".exe";
 538                                 } else {
 539                                         failures++;
 540                                         WriteLine("Cannot find the assembly: " + assembly_name);
 541                                         continue;
 542                                 }
 543
 544                                 string assembly_filename = assembly_name + extension;
 545
 546                                 AssemblyName an = AssemblyName.GetAssemblyName (
 547                                         Path.Combine (dir, assembly_filename));
 548                                 WriteLine ("Assembly: " + an.FullName);
 549
 550                                 Directory.Delete (dir, true);
 551                                 if (package != null) {
 552                                         string link_dir = Path.Combine (libdir, package);
 553                                         string link = Path.Combine (link_dir, assembly_filename);
 554
 555                                         try {
 556                                                 File.Delete (link);
 557                                         } catch {
 558                                                 // The file might not exist, happens with
 559                                                 // the debugger on make uninstall
 560                                         }
 561
 562                                         if (Directory.GetFiles (link_dir).Length == 0) {
 563                                                 WriteLine ("Cleaning package directory, it is empty.");
 564                                                 try {
 565                                                         Directory.Delete (link_dir);
 566                                                 } catch {
 567                                                         // Workaround: GetFiles does not list Symlinks
 568                                                 }
 569                                         }
 570                                 }
 571
 572                                 uninstalled++;
 573                                 WriteLine ("Uninstalled: " + an.FullName);
 574                         }
 575
 576                         if (Directory.GetDirectories (asmdir).Length == 0) {
 577                                 WriteLine ("Cleaning assembly dir, it is empty");
 578                                 try {
 579                                         Directory.Delete (asmdir);
 580                                 } catch {
 581                                         // Workaround: GetFiles does not list Symlinks
 582                                 }
 583                         }
 584                 }
 585
 586                 private static bool UninstallSpecific (string name, string package,
 587                                 string gacdir, string libdir)
 588                 {
 589                         string failure_msg = "Failure to remove assembly from the cache: ";
 590
 591                         if (!File.Exists (name)) {
 592                                 WriteLine (failure_msg + "The system cannot find the file specified.");
 593                                 return false;
 594                         }
 595
 596                         AssemblyName an = null;
 597
 598                         try {
 599                                 an = AssemblyName.GetAssemblyName (name);
 600                         } catch {
 601                                 WriteLine (failure_msg + "The file specified is not a valid assembly.");
 602                                 return false;
 603                         }
 604
 605                         int uninstallCount = 0;
 606                         int uninstallFailures = 0;
 607                         Uninstall (an.FullName.Replace (" ", String.Empty),
 608                                 package, gacdir, libdir, true, ref uninstallCount,
 609                                 ref uninstallFailures);
 610                         WriteLine ("Assemblies uninstalled = {0}", uninstallCount);
 611                         WriteLine ("Failures = {0}", uninstallFailures);
 612                         return (uninstallFailures == 0);
 613                 }
 614
 615                 private static void List (string name, string gacdir)
 616                 {
 617                         WriteLine ("The following assemblies are installed into the GAC:");
 618
 619                         if (name != null) {
 620                                 FilteredList (name, gacdir);
 621                                 return;
 622                         }
 623
 624                         int count = 0;
 625                         DirectoryInfo gacinfo = new DirectoryInfo (gacdir);
 626                         foreach (DirectoryInfo parent in gacinfo.GetDirectories ()) {
 627                                 foreach (DirectoryInfo dir in parent.GetDirectories ()) {
 628                                         string asmb = Path.Combine (Path.Combine (parent.FullName, dir.Name), parent.Name) + ".dll";
 629                                         if (File.Exists (asmb)) {
 630                                                 WriteLine (AsmbNameFromVersionString (parent.Name, dir.Name));
 631                                                 count++;
 632                                         }
 633                                 }
 634                         }
 635                         WriteLine ("Number of items = " + count);
 636                 }
 637
 638                 private static void FilteredList (string name, string gacdir)
 639                 {
 640                         string [] assembly_pieces = name.Split (new char[] { ',' });
 641                         Hashtable asm_info = new Hashtable ();
 642
 643                         foreach (string item in assembly_pieces) {
 644                                 string[] pieces = item.Trim ().Split (new char[] { '=' }, 2);
 645                                 if(pieces.Length == 1)
 646                                         asm_info ["assembly"] = pieces [0];
 647                                 else
 648                                         asm_info [pieces[0].Trim ().ToLower (CultureInfo.InvariantCulture)] = pieces [1];
 649                         }
 650
 651                         string asmdir = Path.Combine (gacdir, (string) asm_info ["assembly"]);
 652                         if (!Directory.Exists (asmdir)) {
 653                                 WriteLine ("Number of items = 0");
 654                                 return;
 655                         }
 656                         string search = GetSearchString (asm_info);
 657                         string [] dir_list = Directory.GetDirectories (asmdir, search);
 658
 659                         int count = 0;
 660                         foreach (string dir in dir_list) {
 661                                 string asmb = Path.Combine (dir, (string) asm_info ["assembly"]) + ".dll";
 662                                 if (File.Exists (asmb)) {
 663                                         WriteLine (AsmbNameFromVersionString ((string) asm_info ["assembly"],
 664                                                                    new DirectoryInfo (dir).Name));
 665                                         count++;
 666                                 }
 667                         }
 668                         WriteLine ("Number of items = " + count);
 669                 }
 670
 671                 private static bool InstallFromList (bool check_refs, string list_file, string package,
 672                                 string gacdir, string link_gacdir, string libdir, string link_libdir)
 673                 {
 674                         StreamReader s = null;
 675                         int processed, failed;
 676                         string listdir = Path.GetDirectoryName (
 677                                 Path.GetFullPath (list_file));
 678
 679                         processed = failed = 0;
 680
 681                         try {
 682                                 s = new StreamReader (list_file);
 683
 684                                 string line;
 685                                 while ((line = s.ReadLine ()) != null) {
 686                                         string file = line.Trim ();
 687                                         if (file.Length == 0)
 688                                                 continue;
 689
 690                                         string assemblyPath = Path.Combine (listdir,
 691                                                 file);
 692
 693                                         if (!Install (check_refs, assemblyPath, package, gacdir,
 694                                                      link_gacdir, libdir, link_libdir))
 695                                                 failed++;
 696                                         processed++;
 697                                 }
 698
 699                                 WriteLine ("Assemblies processed = {0}", processed);
 700                                 WriteLine ("Assemblies installed = {0}", processed - failed);
 701                                 WriteLine ("Failures = {0}", failed);
 702
 703                                 return (failed == 0);
 704                         } catch (IOException) {
 705                                 WriteLine ("Failed to open assemblies list file " + list_file + ".");
 706                                 return false;
 707                         } finally {
 708                                 if (s != null)
 709                                         s.Close ();
 710                         }
 711                 }
 712
 713                 private static bool UninstallFromList (string list_file, string package,
 714                                 string gacdir, string libdir)
 715                 {
 716                         StreamReader s = null;
 717                         int failed, uninstalled;
 718
 719                         failed = uninstalled = 0;
 720
 721                         try {
 722                                 s = new StreamReader (list_file);
 723
 724                                 string line;
 725                                 while ((line = s.ReadLine ()) != null) {
 726                                         string name = line.Trim ();
 727                                         if (name.Length == 0)
 728                                                 continue;
 729                                         Uninstall (line, package, gacdir, libdir,
 730                                                 true, ref uninstalled, ref failed);
 731                                 }
 732
 733                                 WriteLine ("Assemblies processed = {0}", uninstalled+failed);
 734                                 WriteLine ("Assemblies uninstalled = {0}", uninstalled);
 735                                 WriteLine ("Failures = {0}", failed);
 736
 737                                 return (failed == 0);
 738                         } catch (IOException) {
 739                                 WriteLine ("Failed to open assemblies list file " + list_file + ".");
 740                                 return false;
 741                         } finally {
 742                                 if (s != null)
 743                                         s.Close ();
 744                         }
 745                 }
 746
 747                 private static bool CheckReferencedAssemblies (AssemblyName an)
 748                 {
 749                         AppDomain d = null;
 750                         try {
 751                                 Assembly a = Assembly.LoadFrom (an.CodeBase);
 752                                 AssemblyName corlib = typeof (object).Assembly.GetName ();
 753
 754                                 foreach (AssemblyName ref_an in a.GetReferencedAssemblies ()) {
 755                                         if (ref_an.Name == corlib.Name) // Just do a string compare so we can install on diff versions
 756                                                 continue;
 757                                         byte [] pt = ref_an.GetPublicKeyToken ();
 758                                         if (pt == null || pt.Length == 0) {
 759                                                 WriteLine ("Assembly " + ref_an.Name + " is not strong named.");
 760                                                 return false;
 761                                         }
 762                                 }
 763                         } catch (Exception e) {
 764                                 WriteLine (e.ToString ()); // This should be removed pre beta3
 765                                 return false;
 766                         } finally {
 767                                 if (d != null) {
 768                                         try {
 769                                                 AppDomain.Unload (d);
 770                                         } catch { }
 771                                 }
 772                         }
 773
 774                         return true;
 775                 }
 776
 777                 private static string GetSearchString (Hashtable asm_info)
 778                 {
 779                         if (asm_info.Keys.Count == 1)
 780                                 return "*";
 781                         string version, culture, token;
 782
 783                         version = asm_info ["version"] as string;
 784                         version = (version == null ? "*" : version + "*");
 785                         culture = asm_info ["culture"] as string;
 786                         culture = (culture == null ? "*" : (culture == "neutral") ? String.Empty : culture.ToLower (CultureInfo.InvariantCulture));
 787                         token = asm_info ["publickeytoken"] as string;
 788                         token = (token == null ? "*" : token.ToLower (CultureInfo.InvariantCulture));
 789
 790                         return String.Format ("{0}_{1}_{2}", version, culture, token);
 791                 }
 792
 793                 private static string AsmbNameFromVersionString (string name, string str)
 794                 {
 795                         string [] pieces = str.Split ('_');
 796                         return String.Format ("{0}, Version={1}, Culture={2}, PublicKeyToken={3}",
 797                                         name, pieces [0], (pieces [1] == String.Empty ? "neutral" : pieces [1]),
 798                                         pieces [2]);
 799                 }
 800
 801                 static bool LoadConfig (bool quiet)
 802                 {
 803                         MethodInfo config = typeof (System.Environment).GetMethod ("GetMachineConfigPath",
 804                                 BindingFlags.Static | BindingFlags.NonPublic);
 805
 806                         if (config != null) {
 807                                 string path = (string) config.Invoke (null, null);
 808
 809                                 bool exist = File.Exists (path);
 810                                 if (!quiet && !exist)
 811                                         Console.WriteLine ("Couldn't find machine.config");
 812
 813                                 StrongNameManager.LoadConfig (path);
 814                                 return exist;
 815                         } else if (!quiet)
 816                                 Console.WriteLine ("Couldn't resolve machine.config location (corlib issue)");
 817
 818                         // default CSP
 819                         return false;
 820                 }
 821
 822                 // modified copy from sn
 823                 private static VerificationResult VerifyStrongName (AssemblyName an, string assemblyFile)
 824                 {
 825                         byte [] publicKey = StrongNameManager.GetMappedPublicKey (an.GetPublicKeyToken ());
 826                         if ((publicKey == null) || (publicKey.Length < 12)) {
 827                                 // no mapping
 828                                 publicKey = an.GetPublicKey ();
 829                                 if ((publicKey == null) || (publicKey.Length < 12))
 830                                         return VerificationResult.WeakNamed;
 831                         }
 832
 833                         // Note: MustVerify is based on the original token (by design). Public key
 834                         // remapping won't affect if the assembly is verified or not.
 835                         if (StrongNameManager.MustVerify (an)) {
 836                                 RSA rsa = CryptoConvert.FromCapiPublicKeyBlob (publicKey, 12);
 837                                 StrongName sn = new StrongName (rsa);
 838                                 if (sn.Verify (assemblyFile)) {
 839                                         return VerificationResult.StrongNamed;
 840                                 } else {
 841                                         return VerificationResult.DelaySigned;
 842                                 }
 843                         } else {
 844                                 return VerificationResult.Skipped;
 845                         }
 846                 }
 847
 848                 private static bool IsSwitch (string arg)
 849                 {
 850                         return (arg [0] == '-' || (arg [0] == '/' && !arg.EndsWith (".dll") && !arg.EndsWith (".exe") && arg.IndexOf ('/', 1) < 0 ) );
 851                 }
 852
 853                 private static Command GetCommand (string arg)
 854                 {
 855                         Command c = Command.Unknown;
 856
 857                         switch (arg) {
 858                         case "-i":
 859                         case "/i":
 860                         case "--install":
 861                                 c = Command.Install;
 862                                 break;
 863                         case "-il":
 864                         case "/il":
 865                         case "--install-from-list":
 866                                 c = Command.InstallFromList;
 867                                 break;
 868                         case "-u":
 869                         case "/u":
 870                         case "/uf":
 871                         case "--uninstall":
 872                                 c = Command.Uninstall;
 873                                 break;
 874                         case "-ul":
 875                         case "/ul":
 876                         case "--uninstall-from-list":
 877                                 c = Command.UninstallFromList;
 878                                 break;
 879                         case "-us":
 880                         case "/us":
 881                         case "--uninstall-specific":
 882                                 c = Command.UninstallSpecific;
 883                                 break;
 884                         case "-l":
 885                         case "/l":
 886                         case "--list":
 887                                 c = Command.List;
 888                                 break;
 889                         case "-?":
 890                         case "/?":
 891                         case "--help":
 892                                 c = Command.Help;
 893                                 break;
 894                         }
 895                         return c;
 896                 }
 897
 898                 [DllImport ("libc", SetLastError=true)]
 899                 public static extern int symlink (string oldpath, string newpath);
 900
 901                 private static string GetGacDir () {
 902                         PropertyInfo gac = typeof (System.Environment).GetProperty ("GacPath",
 903                                         BindingFlags.Static|BindingFlags.NonPublic);
 904                         if (gac == null) {
 905                                 WriteLine ("ERROR: Mono runtime not detected, please use " +
 906                                                 "the mono runtime for gacutil.exe");
 907                                 Environment.Exit (1);
 908                         }
 909                         MethodInfo get_gac = gac.GetGetMethod (true);
 910                         return (string) get_gac.Invoke (null, null);
 911                 }
 912
 913                 private static string GetLibDir () {
 914                         MethodInfo libdir = typeof (System.Environment).GetMethod ("internalGetGacPath",
 915                                         BindingFlags.Static|BindingFlags.NonPublic);
 916                         if (libdir == null) {
 917                                 WriteLine ("ERROR: Mono runtime not detected, please use " +
 918                                                 "the mono runtime for gacutil.exe");
 919                                 Environment.Exit (1);
 920                         }
 921                         return Path.Combine ((string)libdir.Invoke (null, null), "mono");
 922                 }
 923
 924                 private static string GetStringToken (byte[] tok)
 925                 {
 926                         StringBuilder sb = new StringBuilder ();
 927                         for (int i = 0; i < tok.Length ; i++)
 928                                 sb.Append (tok[i].ToString ("x2"));
 929                         return sb.ToString ();
 930                 }
 931
 932                 private static string EnsureLib (string dir)
 933                 {
 934                         DirectoryInfo d = new DirectoryInfo (dir);
 935                         if (d.Name == "lib")
 936                                 return dir;
 937                         return Path.Combine (dir, "lib");
 938                 }
 939
 940                 private static void WriteLine ()
 941                 {
 942                         if (silent)
 943                                 return;
 944                         Console.WriteLine ();
 945                 }
 946
 947                 private static void WriteLine (string line)
 948                 {
 949                         if (silent)
 950                                 return;
 951                         Console.WriteLine (line);
 952                 }
 953
 954                 private static void WriteLine (string line, params object [] p)
 955                 {
 956                         if (silent)
 957                                 return;
 958                         Console.WriteLine (line, p);
 959                 }
 960
 961                 private static void Usage ()
 962                 {
 963                         ShowHelp (false);
 964                         Environment.Exit (1);
 965                 }
 966
 967                 private static void ShowHelp (bool detailed)
 968                 {
 969                         WriteLine ("Usage: gacutil.exe <commands> [ <options> ]");
 970                         WriteLine ("Commands:");
 971
 972                         WriteLine ("-i <assembly_path> [-check_refs] [-package NAME] [-root ROOTDIR] [-gacdir GACDIR]");
 973                         WriteLine ("\tInstalls an assembly into the global assembly cache.");
 974                         if (detailed) {
 975                                 WriteLine ("\t<assembly_path> is the name of the file that contains the " +
 976                                                 "\tassembly manifest\n" +
 977                                                 "\tExample: -i myDll.dll");
 978                         }
 979                         WriteLine ();
 980
 981                         WriteLine ("-il <assembly_list_file> [-check_refs] [-package NAME] [-root ROOTDIR] [-gacdir GACDIR]");
 982                         WriteLine ("\tInstalls one or more assemblies into the global assembly cache.");
 983                         if (detailed) {
 984                                 WriteLine ("\t<assembly_list_file> is the path to a test file containing a list of\n" +
 985                                                 "\tassembly file paths on separate lines.\n" +
 986                                                 "\tExample -il assembly_list.txt\n" +
 987                                                 "\t\tassembly_list.txt contents:\n" +
 988                                                 "\t\tassembly1.dll\n" +
 989                                                 "\t\tassembly2.dll");
 990                         }
 991                         WriteLine ();
 992
 993                         WriteLine ("-u <assembly_display_name> [-package NAME] [-root ROOTDIR] [-gacdir GACDIR]");
 994                         WriteLine ("\tUninstalls an assembly from the global assembly cache.");
 995                         if (detailed) {
 996                                 WriteLine ("\t<assembly_display_name> is the name of the assembly (partial or\n" +
 997                                                 "\tfully qualified) to remove from the global assembly cache. If a \n" +
 998                                                 "\tpartial name is specified all matching assemblies will be uninstalled.\n" +
 999                                                 "\tExample: -u myDll,Version=1.2.1.0");
1000                         }
1001                         WriteLine ();
1002
1003                         WriteLine ("-ul <assembly_list_file> [-package NAME] [-root ROOTDIR] [-gacdir GACDIR]");
1004                         WriteLine ("\tUninstalls one or more assemblies from the global assembly cache.");
1005                         if (detailed) {
1006                                 WriteLine ("\t<assembly_list_file> is the path to a test file containing a list of\n" +
1007                                                 "\tassembly names on separate lines.\n" +
1008                                                 "\tExample -ul assembly_list.txt\n" +
1009                                                 "\t\tassembly_list.txt contents:\n" +
1010                                                 "\t\tassembly1,Version=1.0.0.0,Culture=en,PublicKeyToken=0123456789abcdef\n" +
1011                                                 "\t\tassembly2,Version=2.0.0.0,Culture=en,PublicKeyToken=0123456789abcdef");
1012                         }
1013                         WriteLine ();
1014
1015                         WriteLine ("-us <assembly_path> [-package NAME] [-root ROOTDIR] [-gacdir GACDIR]");
1016                         WriteLine ("\tUninstalls an assembly using the specifed assemblies full name.");
1017                         if (detailed) {
1018                                 WriteLine ("\t<assembly path> is the path to an assembly. The full assembly name\n" +
1019                                                 "\tis retrieved from the specified assembly if there is an assembly in\n" +
1020                                                 "\tthe GAC with a matching name, it is removed.\n" +
1021                                                 "\tExample: -us myDll.dll");
1022                         }
1023                         WriteLine ();
1024
1025                         WriteLine ("-l [assembly_name] [-root ROOTDIR] [-gacdir GACDIR]");
1026                         WriteLine ("\tLists the contents of the global assembly cache.");
1027                         if (detailed) {
1028                                 WriteLine ("\tWhen the <assembly_name> parameter is specified only matching\n" +
1029                                                 "\tassemblies are listed.");
1030                         }
1031                         WriteLine ();
1032
1033                         WriteLine ("-?");
1034                         WriteLine ("\tDisplays a detailed help screen");
1035                         WriteLine ();
1036
1037                         if (!detailed)
1038                                 return;
1039
1040                         WriteLine ("Options:");
1041                         WriteLine ("-package <NAME>");
1042                         WriteLine ("\tUsed to create a directory in prefix/lib/mono with the name NAME, and a\n" +
1043                                         "\tsymlink is created from NAME/assembly_name to the assembly on the GAC.\n" +
1044                                         "\tThis is used so developers can reference a set of libraries at once.");
1045                         WriteLine ();
1046
1047                         WriteLine ("-gacdir <GACDIR>");
1048                         WriteLine ("\tUsed to specify the GACs base directory. Once an assembly has been installed\n" +
1049                                         "\tto a non standard gacdir the MONO_GAC_PREFIX environment variable must be used\n" +
1050                                         "\tto access the assembly.");
1051                         WriteLine ();
1052
1053                         WriteLine ("-root <ROOTDIR>");
1054                         WriteLine ("\tUsed by developers integrating this with automake tools or packaging tools\n" +
1055                                         "\tthat require a prefix directory to  be specified. The root represents the\n" +
1056                                         "\t\"libdir\" component of a prefix (typically prefix/lib).");
1057                         WriteLine ();
1058
1059                         WriteLine ("-check_refs");
1060                         WriteLine ("\tUsed to ensure that the assembly being installed into the GAC does not\n" +
1061                                         "\treference any non strong named assemblies. Assemblies being installed to\n" +
1062                                         "\tthe GAC should not reference non strong named assemblies, however the is\n" +
1063                                         "\tan optional check.");
1064
1065                         WriteLine ();
1066                         WriteLine ("Ignored Options:");
1067                         WriteLine ("-f");
1068                         WriteLine ("\tThe Mono gacutil ignores the -f option to maintain commandline compatibility with");
1069                         WriteLine ("\tother gacutils. gacutil will always force the installation of a new assembly.");
1070
1071                         WriteLine ();
1072                         WriteLine ("-r <reference_scheme> <reference_id> <description>");
1073                         WriteLine ("\tThe Mono gacutil has not implemented traced references and will emit a warning");
1074                         WriteLine ("\twhen this option is used.");
1075                 }
1076         }
1077 }
1078