mcs/class/corlib/System.Security/SecurityException.cs

   1 //
   2 // System.Security.SecurityException.cs
   3 //
   4 // Authors:
   5 //      Nick Drochak(ndrochak@gol.com)
   6 //      Sebastien Pouliot  <sebastien@ximian.com>
   7 //
   8 // (C) Nick Drochak
   9 // (C) 2004 Motus Technologies Inc. (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.Globalization;
  33 using System.Reflection;
  34 using System.Runtime.InteropServices;
  35 using System.Runtime.Serialization;
  36 using System.Security.Permissions;
  37 using System.Security.Policy;
  38 using System.Text;
  39
  40 namespace System.Security {
  41
  42         [Serializable]
  43 #if NET_2_0
  44         public class SecurityException : SystemException, _Exception {
  45 #else
  46         public class SecurityException : SystemException {
  47 #endif
  48                 // Fields
  49                 string permissionState;
  50                 Type permissionType;
  51                 private string _granted;
  52                 private string _refused;
  53                 private SecurityAction _action;
  54                 private object _demanded;
  55                 private object _denyset;
  56                 private object _permitset;
  57                 private AssemblyName _assembly;
  58                 private IPermission _firstperm;
  59                 private IPermission _permfailed;
  60                 private MethodInfo _method;
  61                 private string _url;
  62                 private SecurityZone _zone;
  63
  64                 // Properties
  65
  66 #if NET_2_0
  67                 [ComVisible (false)]
  68                 public SecurityAction Action {
  69                         get { return _action; }
  70                         set { _action = value; }
  71                 }
  72
  73                 [ComVisible (false)]
  74                 public object DenySetInstance {
  75                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
  76                         get { return _denyset; }
  77                         set { _denyset = value; }
  78                 }
  79
  80                 [ComVisible (false)]
  81                 public AssemblyName FailedAssemblyInfo {
  82                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
  83                         get { return _assembly; }
  84                         set { _assembly = value; }
  85                 }
  86
  87                 [ComVisible (false)]
  88                 public MethodInfo Method {
  89                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
  90                         get { return _method; }
  91                         set { _method = value; }
  92                 }
  93
  94                 [Obsolete]
  95                 [ComVisible (false)]
  96                 public IPermission PermissionThatFailed {
  97                         get { return _permfailed; }
  98                         set { _permfailed = value; }
  99                 }
 100
 101                 [ComVisible (false)]
 102                 public object PermitOnlySetInstance {
 103                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
 104                         get { return _permitset; }
 105                         set { _permitset = value; }
 106                 }
 107
 108                 public string Url {
 109                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
 110                         get { return _url; }
 111                         set { _url = value; }
 112                 }
 113
 114                 public SecurityZone Zone {
 115                         get { return _zone; }
 116                         set { _zone = value; }
 117                 }
 118 #endif
 119
 120 #if NET_2_0
 121                 [ComVisible (false)]
 122                 public
 123 #else
 124                 internal
 125 #endif
 126                 object Demanded {
 127                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
 128                         get { return _demanded; }
 129                         set { _demanded = value; }
 130                 }
 131
 132 #if NET_2_0
 133                 public
 134 #else
 135                 internal
 136 #endif
 137                 IPermission FirstPermissionThatFailed {
 138                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
 139                         get { return _firstperm; }
 140                         set { _firstperm = value; }
 141                 }
 142
 143                 public string PermissionState {
 144                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
 145                         get { return permissionState; }
 146 #if NET_2_0
 147                         set { permissionState = value; }
 148 #endif
 149                 }
 150
 151                 public Type PermissionType {
 152                         get { return permissionType; }
 153 #if NET_2_0
 154                         set { permissionType = value; }
 155 #endif
 156                 }
 157
 158 #if NET_1_1
 159                 public string GrantedSet {
 160                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
 161                         get { return _granted; }
 162 #if NET_2_0
 163                         set { _granted = value; }
 164 #endif
 165                 }
 166
 167                 public string RefusedSet {
 168                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
 169                         get { return _refused; }
 170 #if NET_2_0
 171                         set { _refused = value; }
 172 #endif
 173                 }
 174 #endif
 175                 // Constructors
 176
 177                 public SecurityException ()
 178                         : base (Locale.GetText ("A security error has been detected."))
 179                 {
 180                         base.HResult = unchecked ((int)0x8013150A);
 181                 }
 182
 183                 public SecurityException (string message)
 184                         : base (message)
 185                 {
 186                         base.HResult = unchecked ((int)0x8013150A);
 187                 }
 188
 189                 protected SecurityException (SerializationInfo info, StreamingContext context)
 190                         : base (info, context)
 191                 {
 192                         base.HResult = unchecked ((int)0x8013150A);
 193                         permissionState = info.GetString ("PermissionState");
 194                 }
 195
 196                 public SecurityException (string message, Exception inner)
 197                         : base (message, inner)
 198                 {
 199                         base.HResult = unchecked ((int)0x8013150A);
 200                 }
 201
 202                 public SecurityException (string message, Type type)
 203                         :  base (message)
 204                 {
 205                         base.HResult = unchecked ((int)0x8013150A);
 206                         permissionType = type;
 207                 }
 208
 209                 public SecurityException (string message, Type type, string state)
 210                         : base (message)
 211                 {
 212                         base.HResult = unchecked ((int)0x8013150A);
 213                         permissionType = type;
 214                         permissionState = state;
 215                 }
 216
 217                 internal SecurityException (string message, PermissionSet granted, PermissionSet refused)
 218                         : base (message)
 219                 {
 220                         base.HResult = unchecked ((int)0x8013150A);
 221                         _granted = granted.ToString ();
 222                         _refused = refused.ToString ();
 223                 }
 224
 225 #if NET_2_0
 226                 public
 227 #else
 228                 internal
 229 #endif
 230                 SecurityException (string message, object deny, object permitOnly, MethodInfo method,
 231                         object demanded, IPermission permThatFailed)
 232                         : base (message)
 233                 {
 234                         base.HResult = unchecked ((int)0x8013150A);
 235                         _denyset = deny;
 236                         _permitset = permitOnly;
 237                         _method = method;
 238                         _demanded = demanded;
 239                         _firstperm = permThatFailed;
 240                 }
 241
 242 #if NET_2_0
 243                 public
 244 #else
 245                 internal
 246 #endif
 247                 SecurityException (string message, AssemblyName assemblyName, PermissionSet grant,
 248                         PermissionSet refused, MethodInfo method, SecurityAction action, object demanded,
 249                         IPermission permThatFailed, Evidence evidence)
 250                         : base (message)
 251                 {
 252                         base.HResult = unchecked ((int)0x8013150A);
 253                         _assembly = assemblyName;
 254                         _granted = (grant == null) ? String.Empty : grant.ToString ();
 255                         _refused = (refused == null) ? String.Empty : refused.ToString ();
 256                         _method = method;
 257                         _action = action;
 258                         _demanded = demanded;
 259                         _firstperm = permThatFailed;
 260                         if (_firstperm != null)
 261                                 permissionType = _firstperm.GetType ();
 262                         // FIXME ? evidence ?
 263                 }
 264
 265                 // Methods
 266                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 267                 {
 268                         base.GetObjectData (info, context);
 269                         try {
 270                                 info.AddValue ("PermissionState", PermissionState);
 271                         }
 272                         catch (SecurityException) {
 273                                 // serialize only if permitted to do so
 274                         }
 275                 }
 276
 277                 public override string ToString ()
 278                 {
 279                         StringBuilder sb = new StringBuilder (base.ToString ());
 280                         try {
 281                                 if (permissionType != null) {
 282                                         sb.AppendFormat ("{0}Type: {1}", Environment.NewLine, PermissionType);
 283                                 }
 284                                 if (_method != null) {
 285                                         // method string representation doesn't include the type
 286                                         string m = _method.ToString ();
 287                                         int ret = m.IndexOf (" ") + 1;
 288                                         sb.AppendFormat ("{0}Method: {1} {2}.{3}", Environment.NewLine,
 289                                                 _method.ReturnType.Name, _method.ReflectedType, m.Substring (ret));
 290                                 }
 291                                 if (permissionState != null) {
 292                                         sb.AppendFormat ("{0}State: {1}", Environment.NewLine, PermissionState);
 293                                 }
 294                                 if ((_granted != null) && (_granted.Length > 0)) {
 295                                         sb.AppendFormat ("{0}Granted: {1}", Environment.NewLine, GrantedSet);
 296                                 }
 297                                 if ((_refused != null) && (_refused.Length > 0)) {
 298                                         sb.AppendFormat ("{0}Refused: {1}", Environment.NewLine, RefusedSet);
 299                                 }
 300                                 if (_demanded != null) {
 301                                         sb.AppendFormat ("{0}Demanded: {1}", Environment.NewLine, Demanded);
 302                                 }
 303                                 if (_firstperm != null) {
 304                                         sb.AppendFormat ("{0}Failed Permission: {1}", Environment.NewLine, FirstPermissionThatFailed);
 305                                 }
 306                         }
 307                         catch (SecurityException) {
 308                                 // some informations can't be displayed
 309                         }
 310                         return sb.ToString ();
 311                 }
 312         }
 313 }