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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=============================================================================
**
**
**
**
**
** Purpose: Holds state about A/G/R permissionsets in a callstack or appdomain
** (Replacement for PermissionListSet)
**
=============================================================================*/
namespace System.Security
{
using System.Globalization;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;
using System.Threading;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.Contracts;
[Serializable]
sealed internal class PermissionListSet
{
// Only internal (public) methods are creation methods and demand evaluation methods.
// Scroll down to the end to see them.
private PermissionSetTriple m_firstPermSetTriple;
private ArrayList m_permSetTriples;
internal PermissionListSet() {}
private void Update(PermissionSetTriple currentTriple, PermissionSet in_g, PermissionSet in_r)
{
currentTriple.UpdateGrant(in_g);
currentTriple.UpdateRefused(in_r);
}
// Called from the VM for HG CS construction
private void Update(PermissionSet in_g)
{
if (m_firstPermSetTriple == null)
m_firstPermSetTriple = new PermissionSetTriple();
Update(m_firstPermSetTriple, in_g, null);
}
// Private Demand evaluation functions - only called from the VM
internal bool CheckDemandNoThrow(CodeAccessPermission demand)
{
// AppDomain permissions - no asserts. So there should only be one triple to work with
Debug.Assert(m_permSetTriples == null && m_firstPermSetTriple != null, "More than one PermissionSetTriple encountered in AD PermissionListSet");
PermissionToken permToken = null;
if (demand != null)
permToken = PermissionToken.GetToken(demand);
return m_firstPermSetTriple.CheckDemandNoThrow(demand, permToken);
}
internal bool CheckSetDemandNoThrow(PermissionSet pSet)
{
// AppDomain permissions - no asserts. So there should only be one triple to work with
Debug.Assert(m_permSetTriples == null && m_firstPermSetTriple != null, "More than one PermissionSetTriple encountered in AD PermissionListSet");
return m_firstPermSetTriple.CheckSetDemandNoThrow(pSet);
}
}
}
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