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

   1 //
   2 // System.Security.Permissions.HostProtectionAttribute class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot  <sebastien@ximian.com>
   6 //
   7 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 #if NET_2_0
  30
  31 using System.Runtime.InteropServices;
  32
  33 namespace System.Security.Permissions {
  34
  35         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Struct |
  36                 AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Delegate,
  37                 AllowMultiple = true, Inherited = false)]
  38         [ComVisible (true)]
  39         [Serializable]
  40         public sealed class HostProtectionAttribute : CodeAccessSecurityAttribute {
  41
  42                 private HostProtectionResource _resources;
  43
  44                 public HostProtectionAttribute ()
  45                         : base (SecurityAction.LinkDemand)
  46                 {
  47                 }
  48
  49                 public HostProtectionAttribute (SecurityAction action)
  50                         : base (action)
  51                 {
  52                         if (action != SecurityAction.LinkDemand) {
  53                                 string msg = String.Format (Locale.GetText ("Only {0} is accepted."), SecurityAction.LinkDemand);
  54                                 throw new ArgumentException (msg, "action");
  55                         }
  56                 }
  57
  58
  59                 public bool ExternalProcessMgmt {
  60                         get { return ((_resources & HostProtectionResource.ExternalProcessMgmt) != 0); }
  61                         set {
  62                                 if (value) {
  63                                         _resources |= HostProtectionResource.ExternalProcessMgmt;
  64                                 }
  65                                 else {
  66                                         _resources &= ~HostProtectionResource.ExternalProcessMgmt;
  67                                 }
  68                         }
  69                 }
  70
  71                 public bool ExternalThreading {
  72                         get { return ((_resources & HostProtectionResource.ExternalThreading) != 0); }
  73                         set {
  74                                 if (value) {
  75                                         _resources |= HostProtectionResource.ExternalThreading;
  76                                 }
  77                                 else {
  78                                         _resources &= ~HostProtectionResource.ExternalThreading;
  79                                 }
  80                         }
  81                 }
  82
  83                 public bool MayLeakOnAbort {
  84                         get { return ((_resources & HostProtectionResource.MayLeakOnAbort) != 0); }
  85                         set {
  86                                 if (value) {
  87                                         _resources |= HostProtectionResource.MayLeakOnAbort;
  88                                 }
  89                                 else {
  90                                         _resources &= ~HostProtectionResource.MayLeakOnAbort;
  91                                 }
  92                         }
  93                 }
  94
  95                 [ComVisible (true)]
  96                 public bool SecurityInfrastructure {
  97                         get { return ((_resources & HostProtectionResource.SecurityInfrastructure) != 0); }
  98                         set {
  99                                 if (value) {
 100                                         _resources |= HostProtectionResource.SecurityInfrastructure;
 101                                 }
 102                                 else {
 103                                         _resources &= ~HostProtectionResource.SecurityInfrastructure;
 104                                 }
 105                         }
 106                 }
 107
 108                 public bool SelfAffectingProcessMgmt {
 109                         get { return ((_resources & HostProtectionResource.SelfAffectingProcessMgmt) != 0); }
 110                         set {
 111                                 if (value) {
 112                                         _resources |= HostProtectionResource.SelfAffectingProcessMgmt;
 113                                 }
 114                                 else {
 115                                         _resources &= ~HostProtectionResource.SelfAffectingProcessMgmt;
 116                                 }
 117                         }
 118                 }
 119
 120                 public bool SelfAffectingThreading {
 121                         get { return ((_resources & HostProtectionResource.SelfAffectingThreading) != 0); }
 122                         set {
 123                                 if (value) {
 124                                         _resources |= HostProtectionResource.SelfAffectingThreading;
 125                                 }
 126                                 else {
 127                                         _resources &= ~HostProtectionResource.SelfAffectingThreading;
 128                                 }
 129                         }
 130                 }
 131
 132                 public bool SharedState {
 133                         get { return ((_resources & HostProtectionResource.SharedState) != 0); }
 134                         set {
 135                                 if (value) {
 136                                         _resources |= HostProtectionResource.SharedState;
 137                                 }
 138                                 else {
 139                                         _resources &= ~HostProtectionResource.SharedState;
 140                                 }
 141                         }
 142                 }
 143
 144                 public bool Synchronization {
 145                         get { return ((_resources & HostProtectionResource.Synchronization) != 0); }
 146                         set {
 147                                 if (value) {
 148                                         _resources |= HostProtectionResource.Synchronization;
 149                                 }
 150                                 else {
 151                                         _resources &= ~HostProtectionResource.Synchronization;
 152                                 }
 153                         }
 154                 }
 155
 156                 public bool UI {
 157                         get { return ((_resources & HostProtectionResource.UI) != 0); }
 158                         set {
 159                                 if (value) {
 160                                         _resources |= HostProtectionResource.UI;
 161                                 }
 162                                 else {
 163                                         _resources &= ~HostProtectionResource.UI;
 164                                 }
 165                         }
 166                 }
 167
 168                 public HostProtectionResource Resources {
 169                         get { return _resources; }
 170                         set { _resources = value; }
 171                 }
 172
 173
 174                 public override IPermission CreatePermission ()
 175                 {
 176                         // looks like permission is internal
 177                         return new HostProtectionPermission (_resources);
 178                 }
 179         }
 180 }
 181
 182 #endif