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 using System.Runtime.InteropServices;
  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         [ComVisible (true)]
  37         [Serializable]
  38         public sealed class HostProtectionAttribute : CodeAccessSecurityAttribute {
  39
  40                 private HostProtectionResource _resources;
  41
  42 #if BOOTSTRAP_BASIC
  43                 public HostProtectionAttribute (SecurityAction action = SecurityAction.LinkDemand)
  44 #else
  45                 public HostProtectionAttribute ()
  46                         : base (SecurityAction.LinkDemand)
  47                 {
  48                 }
  49
  50                 public HostProtectionAttribute (SecurityAction action)
  51 #endif
  52                         : base (action)
  53                 {
  54                         if (action != SecurityAction.LinkDemand) {
  55                                 string msg = String.Format (Locale.GetText ("Only {0} is accepted."), SecurityAction.LinkDemand);
  56                                 throw new ArgumentException (msg, "action");
  57                         }
  58                 }
  59
  60
  61                 public bool ExternalProcessMgmt {
  62                         get { return ((_resources & HostProtectionResource.ExternalProcessMgmt) != 0); }
  63                         set {
  64                                 if (value) {
  65                                         _resources |= HostProtectionResource.ExternalProcessMgmt;
  66                                 }
  67                                 else {
  68                                         _resources &= ~HostProtectionResource.ExternalProcessMgmt;
  69                                 }
  70                         }
  71                 }
  72
  73                 public bool ExternalThreading {
  74                         get { return ((_resources & HostProtectionResource.ExternalThreading) != 0); }
  75                         set {
  76                                 if (value) {
  77                                         _resources |= HostProtectionResource.ExternalThreading;
  78                                 }
  79                                 else {
  80                                         _resources &= ~HostProtectionResource.ExternalThreading;
  81                                 }
  82                         }
  83                 }
  84
  85                 public bool MayLeakOnAbort {
  86                         get { return ((_resources & HostProtectionResource.MayLeakOnAbort) != 0); }
  87                         set {
  88                                 if (value) {
  89                                         _resources |= HostProtectionResource.MayLeakOnAbort;
  90                                 }
  91                                 else {
  92                                         _resources &= ~HostProtectionResource.MayLeakOnAbort;
  93                                 }
  94                         }
  95                 }
  96
  97                 [ComVisible (true)]
  98                 public bool SecurityInfrastructure {
  99                         get { return ((_resources & HostProtectionResource.SecurityInfrastructure) != 0); }
 100                         set {
 101                                 if (value) {
 102                                         _resources |= HostProtectionResource.SecurityInfrastructure;
 103                                 }
 104                                 else {
 105                                         _resources &= ~HostProtectionResource.SecurityInfrastructure;
 106                                 }
 107                         }
 108                 }
 109
 110                 public bool SelfAffectingProcessMgmt {
 111                         get { return ((_resources & HostProtectionResource.SelfAffectingProcessMgmt) != 0); }
 112                         set {
 113                                 if (value) {
 114                                         _resources |= HostProtectionResource.SelfAffectingProcessMgmt;
 115                                 }
 116                                 else {
 117                                         _resources &= ~HostProtectionResource.SelfAffectingProcessMgmt;
 118                                 }
 119                         }
 120                 }
 121
 122                 public bool SelfAffectingThreading {
 123                         get { return ((_resources & HostProtectionResource.SelfAffectingThreading) != 0); }
 124                         set {
 125                                 if (value) {
 126                                         _resources |= HostProtectionResource.SelfAffectingThreading;
 127                                 }
 128                                 else {
 129                                         _resources &= ~HostProtectionResource.SelfAffectingThreading;
 130                                 }
 131                         }
 132                 }
 133
 134                 public bool SharedState {
 135                         get { return ((_resources & HostProtectionResource.SharedState) != 0); }
 136                         set {
 137                                 if (value) {
 138                                         _resources |= HostProtectionResource.SharedState;
 139                                 }
 140                                 else {
 141                                         _resources &= ~HostProtectionResource.SharedState;
 142                                 }
 143                         }
 144                 }
 145
 146                 public bool Synchronization {
 147                         get { return ((_resources & HostProtectionResource.Synchronization) != 0); }
 148                         set {
 149                                 if (value) {
 150                                         _resources |= HostProtectionResource.Synchronization;
 151                                 }
 152                                 else {
 153                                         _resources &= ~HostProtectionResource.Synchronization;
 154                                 }
 155                         }
 156                 }
 157
 158                 public bool UI {
 159                         get { return ((_resources & HostProtectionResource.UI) != 0); }
 160                         set {
 161                                 if (value) {
 162                                         _resources |= HostProtectionResource.UI;
 163                                 }
 164                                 else {
 165                                         _resources &= ~HostProtectionResource.UI;
 166                                 }
 167                         }
 168                 }
 169
 170                 public HostProtectionResource Resources {
 171                         get { return _resources; }
 172                         set { _resources = value; }
 173                 }
 174
 175
 176                 public override IPermission CreatePermission ()
 177                 {
 178 #if MOBILE
 179                         return null;
 180 #else
 181                         // looks like permission is internal
 182                         return new HostProtectionPermission (_resources);
 183 #endif
 184                 }
 185         }
 186 }
 187