2 // SecurityContext.cs: This is CAS disabled SecurityContext version
3 // it does nothing but has same public API
6 // Marek Safar <marek.safar@gmail.com>
8 // Copyright (C) 2015 Xamarin Inc (http://www.xamarin.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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30 #if !FEATURE_COMPRESSEDSTACK
32 using System.Runtime.InteropServices;
33 using System.Security.Permissions;
34 using System.Security.Principal;
35 using System.Threading;
37 namespace System.Security {
39 public sealed class SecurityContext : IDisposable
41 private SecurityContext ()
45 public SecurityContext CreateCopy ()
50 static public SecurityContext Capture ()
52 return new SecurityContext ();
55 public void Dispose ()
59 static public bool IsFlowSuppressed ()
64 static public bool IsWindowsIdentityFlowSuppressed ()
69 static public void RestoreFlow ()
73 // if you got the context then you can use it
74 [SecurityPermission (SecurityAction.Assert, ControlPrincipal = true)]
75 [SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
76 static public void Run (SecurityContext securityContext, ContextCallback callback, object state)
81 [SecurityPermission (SecurityAction.LinkDemand, Infrastructure = true)]
82 static public AsyncFlowControl SuppressFlow ()
84 throw new NotSupportedException ();
87 static public AsyncFlowControl SuppressFlowWindowsIdentity ()
89 throw new NotSupportedException ();