mcs/class/corlib/System.Security.Permissions/EnvironmentPermissionAttribute.cs

   1 //
   2 // System.Security.Permissions.EnvironmentPermissionAttribute.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 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 namespace System.Security.Permissions {
  33
  34         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class |
  35                          AttributeTargets.Struct | AttributeTargets.Constructor |
  36                          AttributeTargets.Method, AllowMultiple=true, Inherited=false)]
  37         [Serializable]
  38         public sealed class EnvironmentPermissionAttribute : CodeAccessSecurityAttribute {
  39
  40                 // Fields
  41                 private string read;
  42                 private string write;
  43
  44                 // Constructor
  45                 public EnvironmentPermissionAttribute (SecurityAction action) : base (action)
  46                 {
  47                 }
  48
  49                 // Properties
  50                 public string All {
  51 #if NET_1_1
  52                         get { throw new NotSupportedException ("All"); }
  53 #endif
  54                         set {
  55                                 read = value;
  56                                 write = value;
  57                         }
  58                 }
  59
  60                 public string Read {
  61                         get { return read; }
  62                         set { read = value; }
  63                 }
  64
  65                 public string Write {
  66                         get { return write; }
  67                         set { write = value; }
  68                 }
  69
  70                 // Methods
  71                 public override IPermission CreatePermission ()
  72                 {
  73                         EnvironmentPermission perm = null;
  74                         if (this.Unrestricted)
  75                                 perm = new EnvironmentPermission (PermissionState.Unrestricted);
  76                         else {
  77                                 perm = new EnvironmentPermission (PermissionState.None);
  78                                 if (read != null)
  79                                         perm.AddPathList (EnvironmentPermissionAccess.Read, read);
  80                                 if (write != null)
  81                                         perm.AddPathList (EnvironmentPermissionAccess.Write, write);
  82                         }
  83                         return perm;
  84                 }
  85         }
  86 }