2 // System.Security.Permissions.GacIdentityPermission
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
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.
31 using System.Globalization;
32 using System.Runtime.InteropServices;
34 namespace System.Security.Permissions {
\r
38 public sealed class GacIdentityPermission : CodeAccessPermission, IBuiltInPermission {
40 private const int version = 1;
42 public GacIdentityPermission ()
46 public GacIdentityPermission (PermissionState state)
48 // false == do not allow Unrestricted for Identity Permissions
49 CheckPermissionState (state, false);
52 public override IPermission Copy ()
54 return (IPermission) new GacIdentityPermission ();
57 public override IPermission Intersect (IPermission target)
59 GacIdentityPermission gip = Cast (target);
66 public override bool IsSubsetOf (IPermission target)
68 GacIdentityPermission gip = Cast (target);
72 public override IPermission Union (IPermission target)
78 public override void FromXml (SecurityElement esd)
80 // General validation in CodeAccessPermission
81 CheckSecurityElement (esd, "esd", version, version);
82 // Note: we do not (yet) care about the return value
83 // as we only accept version 1 (min/max values)
86 public override SecurityElement ToXml ()
88 SecurityElement se = Element (version);
94 int IBuiltInPermission.GetTokenIndex ()
96 return (int) BuiltInToken.GacIdentity;
101 private GacIdentityPermission Cast (IPermission target)
106 GacIdentityPermission uip = (target as GacIdentityPermission);
108 ThrowInvalidPermission (target, typeof (GacIdentityPermission));