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 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 namespace System.Security.Permissions {
  32
  33         [AttributeUsage (AttributeTargets.Assembly | AttributeTargets.Class | AttributeTargets.Struct |
  34                 AttributeTargets.Constructor | AttributeTargets.Method | AttributeTargets.Delegate,
  35                 AllowMultiple = true, Inherited = false)]
  36         [Serializable]
  37         public sealed class HostProtectionAttribute : CodeAccessSecurityAttribute {
  38
  39                 private HostProtectionResource _resources;
  40
  41                 public HostProtectionAttribute ()
  42                         : base (SecurityAction.LinkDemand)
  43                 {
  44                 }
  45
  46                 public HostProtectionAttribute (SecurityAction action)
  47                         : base (action)
  48                 {
  49                         if (action != SecurityAction.LinkDemand) {
  50                                 string msg = String.Format (Locale.GetText ("Only {0} is accepted."), SecurityAction.LinkDemand);
  51                                 throw new ArgumentException (msg, "action");
  52                         }
  53                 }
  54
  55
  56                 public bool ExternalProcessMgmt {
  57                         get { return ((_resources & HostProtectionResource.ExternalProcessMgmt) != 0); }
  58                         set {
  59                                 if (value) {
  60                                         _resources |= HostProtectionResource.ExternalProcessMgmt;
  61                                 }
  62                                 else {
  63                                         _resources &= HostProtectionResource.ExternalProcessMgmt;
  64                                 }
  65                         }
  66                 }
  67
  68                 public bool ExternalThreading {
  69                         get { return ((_resources & HostProtectionResource.ExternalThreading) != 0); }
  70                         set {
  71                                 if (value) {
  72                                         _resources |= HostProtectionResource.ExternalThreading;
  73                                 }
  74                                 else {
  75                                         _resources &= HostProtectionResource.ExternalThreading;
  76                                 }
  77                         }
  78                 }
  79
  80                 public bool MayLeakOnAbort {
  81                         get { return ((_resources & HostProtectionResource.MayLeakOnAbort) != 0); }
  82                         set {
  83                                 if (value) {
  84                                         _resources |= HostProtectionResource.MayLeakOnAbort;
  85                                 }
  86                                 else {
  87                                         _resources &= HostProtectionResource.MayLeakOnAbort;
  88                                 }
  89                         }
  90                 }
  91
  92                 public bool SecurityInfrastructure {
  93                         get { return ((_resources & HostProtectionResource.SecurityInfrastructure) != 0); }
  94                         set {
  95                                 if (value) {
  96                                         _resources |= HostProtectionResource.SecurityInfrastructure;
  97                                 }
  98                                 else {
  99                                         _resources &= HostProtectionResource.SecurityInfrastructure;
 100                                 }
 101                         }
 102                 }
 103
 104                 public bool SelfAffectingProcessMgmt {
 105                         get { return ((_resources & HostProtectionResource.SelfAffectingProcessMgmt) != 0); }
 106                         set {
 107                                 if (value) {
 108                                         _resources |= HostProtectionResource.SelfAffectingProcessMgmt;
 109                                 }
 110                                 else {
 111                                         _resources &= HostProtectionResource.SelfAffectingProcessMgmt;
 112                                 }
 113                         }
 114                 }
 115
 116                 public bool SelfAffectingThreading {
 117                         get { return ((_resources & HostProtectionResource.SelfAffectingThreading) != 0); }
 118                         set {
 119                                 if (value) {
 120                                         _resources |= HostProtectionResource.SelfAffectingThreading;
 121                                 }
 122                                 else {
 123                                         _resources &= HostProtectionResource.SelfAffectingThreading;
 124                                 }
 125                         }
 126                 }
 127
 128                 public bool SharedState {
 129                         get { return ((_resources & HostProtectionResource.SharedState) != 0); }
 130                         set {
 131                                 if (value) {
 132                                         _resources |= HostProtectionResource.SharedState;
 133                                 }
 134                                 else {
 135                                         _resources &= HostProtectionResource.SharedState;
 136                                 }
 137                         }
 138                 }
 139
 140                 public bool Synchronization {
 141                         get { return ((_resources & HostProtectionResource.Synchronization) != 0); }
 142                         set {
 143                                 if (value) {
 144                                         _resources |= HostProtectionResource.Synchronization;
 145                                 }
 146                                 else {
 147                                         _resources &= HostProtectionResource.Synchronization;
 148                                 }
 149                         }
 150                 }
 151
 152                 public bool UI {
 153                         get { return ((_resources & HostProtectionResource.UI) != 0); }
 154                         set {
 155                                 if (value) {
 156                                         _resources |= HostProtectionResource.UI;
 157                                 }
 158                                 else {
 159                                         _resources &= HostProtectionResource.UI;
 160                                 }
 161                         }
 162                 }
 163
 164                 public HostProtectionResource Resources {
 165                         get { return _resources; }
 166                         set { _resources = value; }
 167                 }
 168
 169
 170                 public override IPermission CreatePermission ()
 171                 {
 172                         // looks like permission is internal
 173                         return new HostProtectionPermission (_resources);
 174                 }
 175         }
 176 }
 177
 178 #endif