class/corlib/System.Security.Permissions/RegistryPermissionAttribute.cs

   1 //
   2 // System.Security.Permissions.RegistryPermissionAttribute.cs
   3 //
   4 // Authors
   5 //      Duncan Mak <duncan@ximian.com>
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) 2002 Ximian, Inc. http://www.ximian.com
   9 // Portions Copyright (C) 2003 Motus Technologies (http://www.motus.com)
  10 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.Runtime.InteropServices;
  33
  34 namespace System.Security.Permissions {
  35
  36         [ComVisible (true)]
  37         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class |
  38                          AttributeTargets.Struct | AttributeTargets.Constructor |
  39                          AttributeTargets.Method, AllowMultiple=true, Inherited=false)]
  40         [Serializable]
  41         public sealed class RegistryPermissionAttribute : CodeAccessSecurityAttribute {
  42
  43                 // Fields
  44                 private string create;
  45                 private string read;
  46                 private string write;
  47                 private string changeAccessControl;
  48                 private string viewAccessControl;
  49 //              private string viewAndModify;
  50
  51                 // Constructor
  52                 public RegistryPermissionAttribute (SecurityAction action) : base (action)
  53                 {
  54                 }
  55
  56                 // Properties
  57                 [Obsolete ("use newer properties")]
  58                 public string All {
  59                         get { throw new NotSupportedException ("All"); }
  60                         set {
  61                                 create = value;
  62                                 read = value;
  63                                 write = value;
  64                         }
  65                 }
  66
  67                 public string Create {
  68                         get { return create; }
  69                         set { create = value; }
  70                 }
  71
  72                 public string Read {
  73                         get { return read; }
  74                         set { read = value; }
  75                 }
  76
  77                 public string Write {
  78                         get { return write; }
  79                         set { write = value; }
  80                 }
  81
  82                 public string ChangeAccessControl {
  83                         get { return changeAccessControl; }
  84                         set { changeAccessControl = value; }
  85                 }
  86
  87                 public string ViewAccessControl {
  88                         get { return viewAccessControl; }
  89                         set { viewAccessControl = value; }
  90                 }
  91
  92                 public string ViewAndModify {
  93                         get { throw new NotSupportedException (); }     // as documented
  94                         set {
  95                                 create = value;
  96                                 read = value;
  97                                 write = value;
  98                         }
  99                 }
 100
 101                 // Methods
 102                 public override IPermission CreatePermission ()
 103                 {
 104                         RegistryPermission perm = null;
 105                         if (this.Unrestricted)
 106                                 perm = new RegistryPermission (PermissionState.Unrestricted);
 107                         else {
 108                                 perm = new RegistryPermission (PermissionState.None);
 109                                 if (create != null)
 110                                         perm.AddPathList (RegistryPermissionAccess.Create, create);
 111                                 if (read != null)
 112                                         perm.AddPathList (RegistryPermissionAccess.Read, read);
 113                                 if (write != null)
 114                                         perm.AddPathList (RegistryPermissionAccess.Write, write);
 115                         }
 116                         return perm;
 117                 }
 118         }
 119 }