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RegistrySecurity.cs
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RegistrySecurity.cs
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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.
using Microsoft.Win32.SafeHandles;
using System.Runtime.InteropServices;
using System.Security.Principal;
namespace System.Security.AccessControl
{
public sealed class RegistryAccessRule : AccessRule
{
// Constructor for creating access rules for registry objects
public RegistryAccessRule(IdentityReference identity, RegistryRights registryRights, AccessControlType type)
: this(identity, (int)registryRights, false, InheritanceFlags.None, PropagationFlags.None, type)
{
}
public RegistryAccessRule(string identity, RegistryRights registryRights, AccessControlType type)
: this(new NTAccount(identity), (int)registryRights, false, InheritanceFlags.None, PropagationFlags.None, type)
{
}
public RegistryAccessRule(IdentityReference identity, RegistryRights registryRights, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AccessControlType type)
: this(identity, (int)registryRights, false, inheritanceFlags, propagationFlags, type)
{
}
public RegistryAccessRule(string identity, RegistryRights registryRights, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AccessControlType type)
: this(new NTAccount(identity), (int)registryRights, false, inheritanceFlags, propagationFlags, type)
{
}
//
// Internal constructor to be called by public constructors
// and the access rule factory methods of {File|Folder}Security
//
internal RegistryAccessRule(
IdentityReference identity,
int accessMask,
bool isInherited,
InheritanceFlags inheritanceFlags,
PropagationFlags propagationFlags,
AccessControlType type)
: base(
identity,
accessMask,
isInherited,
inheritanceFlags,
propagationFlags,
type)
{
}
public RegistryRights RegistryRights
{
get { return (RegistryRights)AccessMask; }
}
}
public sealed class RegistryAuditRule : AuditRule
{
public RegistryAuditRule(IdentityReference identity, RegistryRights registryRights, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AuditFlags flags)
: this(identity, (int)registryRights, false, inheritanceFlags, propagationFlags, flags)
{
}
public RegistryAuditRule(string identity, RegistryRights registryRights, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AuditFlags flags)
: this(new NTAccount(identity), (int)registryRights, false, inheritanceFlags, propagationFlags, flags)
{
}
internal RegistryAuditRule(IdentityReference identity, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AuditFlags flags)
: base(identity, accessMask, isInherited, inheritanceFlags, propagationFlags, flags)
{
}
public RegistryRights RegistryRights
{
get { return (RegistryRights)AccessMask; }
}
}
public sealed partial class RegistrySecurity : NativeObjectSecurity
{
public RegistrySecurity()
: base(true, ResourceType.RegistryKey)
{
}
internal RegistrySecurity(SafeRegistryHandle hKey, string name, AccessControlSections includeSections)
: base(true, ResourceType.RegistryKey, hKey, includeSections, _HandleErrorCode, null)
{
}
private static Exception? _HandleErrorCode(int errorCode, string? name, SafeHandle? handle, object? context)
{
return _HandleErrorCodeCore(errorCode, name, handle, context);
}
public override AccessRule AccessRuleFactory(IdentityReference identityReference, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AccessControlType type)
{
return new RegistryAccessRule(identityReference, accessMask, isInherited, inheritanceFlags, propagationFlags, type);
}
public override AuditRule AuditRuleFactory(IdentityReference identityReference, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AuditFlags flags)
{
return new RegistryAuditRule(identityReference, accessMask, isInherited, inheritanceFlags, propagationFlags, flags);
}
internal AccessControlSections GetAccessControlSectionsFromChanges()
{
AccessControlSections persistRules = AccessControlSections.None;
if (AccessRulesModified)
{
persistRules = AccessControlSections.Access;
}
if (AuditRulesModified)
{
persistRules |= AccessControlSections.Audit;
}
if (OwnerModified)
{
persistRules |= AccessControlSections.Owner;
}
if (GroupModified)
{
persistRules |= AccessControlSections.Group;
}
return persistRules;
}
internal void Persist(SafeRegistryHandle hKey, string keyName)
{
WriteLock();
try
{
AccessControlSections persistRules = GetAccessControlSectionsFromChanges();
if (persistRules == AccessControlSections.None)
{
return; // Don't need to persist anything.
}
Persist(hKey, persistRules);
OwnerModified = GroupModified = AuditRulesModified = AccessRulesModified = false;
}
finally
{
WriteUnlock();
}
}
public void AddAccessRule(RegistryAccessRule rule)
{
base.AddAccessRule(rule);
}
public void SetAccessRule(RegistryAccessRule rule)
{
base.SetAccessRule(rule);
}
public void ResetAccessRule(RegistryAccessRule rule)
{
base.ResetAccessRule(rule);
}
public bool RemoveAccessRule(RegistryAccessRule rule)
{
return base.RemoveAccessRule(rule);
}
public void RemoveAccessRuleAll(RegistryAccessRule rule)
{
base.RemoveAccessRuleAll(rule);
}
public void RemoveAccessRuleSpecific(RegistryAccessRule rule)
{
base.RemoveAccessRuleSpecific(rule);
}
public void AddAuditRule(RegistryAuditRule rule)
{
base.AddAuditRule(rule);
}
public void SetAuditRule(RegistryAuditRule rule)
{
base.SetAuditRule(rule);
}
public bool RemoveAuditRule(RegistryAuditRule rule)
{
return base.RemoveAuditRule(rule);
}
public void RemoveAuditRuleAll(RegistryAuditRule rule)
{
base.RemoveAuditRuleAll(rule);
}
public void RemoveAuditRuleSpecific(RegistryAuditRule rule)
{
base.RemoveAuditRuleSpecific(rule);
}
public override Type AccessRightType
{
get { return typeof(RegistryRights); }
}
public override Type AccessRuleType
{
get { return typeof(RegistryAccessRule); }
}
public override Type AuditRuleType
{
get { return typeof(RegistryAuditRule); }
}
}
}