Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / AccessControl / RegistrySecurity.cs / 1305376 / RegistrySecurity.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: RegistrySecurity ** ** ** Purpose: Managed ACL wrapper for registry keys. ** ** ===========================================================*/ using System; using System.Collections; using System.Security.Permissions; using System.Security.Principal; using Microsoft.Win32; using Microsoft.Win32.SafeHandles; using System.Runtime.InteropServices; using System.IO; namespace System.Security.AccessControl { // We derived this enum from the definitions of KEY_READ and such from // winnt.h and from MSDN, plus some experimental validation with regedit. // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/sysinfo/base/registry_key_security_and_access_rights.asp [Flags] public enum RegistryRights { // No None field - An ACE with the value 0 cannot grant nor deny. QueryValues = Win32Native.KEY_QUERY_VALUE, // 0x0001 query the values of a registry key SetValue = Win32Native.KEY_SET_VALUE, // 0x0002 create, delete, or set a registry value CreateSubKey = Win32Native.KEY_CREATE_SUB_KEY, // 0x0004 required to create a subkey of a specific key EnumerateSubKeys = Win32Native.KEY_ENUMERATE_SUB_KEYS, // 0x0008 required to enumerate sub keys of a key Notify = Win32Native.KEY_NOTIFY, // 0x0010 needed to request change notifications CreateLink = Win32Native.KEY_CREATE_LINK, // 0x0020 reserved for system use /// /// The Windows Kernel team agrees that it was a bad design to expose the WOW64_n options as permissions. /// in the .NET Framework these options are exposed via the RegistryView enum /// /// Reg64 = Win32Native.KEY_WOW64_64KEY, // 0x0100 operate on the 64-bit registry view /// Reg32 = Win32Native.KEY_WOW64_32KEY, // 0x0200 operate on the 32-bit registry view ExecuteKey = ReadKey, ReadKey = Win32Native.STANDARD_RIGHTS_READ | QueryValues | EnumerateSubKeys | Notify, WriteKey = Win32Native.STANDARD_RIGHTS_WRITE | SetValue | CreateSubKey, Delete = 0x10000, ReadPermissions = 0x20000, ChangePermissions = 0x40000, TakeOwnership = 0x80000, FullControl = 0xF003F | Win32Native.STANDARD_RIGHTS_READ | Win32Native.STANDARD_RIGHTS_WRITE } 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) base.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) base.AccessMask; } } } public sealed class RegistrySecurity : NativeObjectSecurity { public RegistrySecurity() : base(true, ResourceType.RegistryKey) { } /* // The name of registry key must start with a predefined string, // like CLASSES_ROOT, CURRENT_USER, MACHINE, and USERS. See // MSDN's help for SetNamedSecurityInfo for details. [SecurityPermission(SecurityAction.Assert, UnmanagedCode=true)] internal RegistrySecurity(String name, AccessControlSections includeSections) : base(true, ResourceType.RegistryKey, HKeyNameToWindowsName(name), includeSections) { new RegistryPermission(RegistryPermissionAccess.NoAccess, AccessControlActions.View, name).Demand(); } */ [System.Security.SecurityCritical] // auto-generated [SecurityPermission(SecurityAction.Assert, UnmanagedCode=true)] internal RegistrySecurity(SafeRegistryHandle hKey, String name, AccessControlSections includeSections) : base(true, ResourceType.RegistryKey, hKey, includeSections, _HandleErrorCode, null ) { new RegistryPermission(RegistryPermissionAccess.NoAccess, AccessControlActions.View, name).Demand(); } [System.Security.SecurityCritical] // auto-generated private static Exception _HandleErrorCode(int errorCode, string name, SafeHandle handle, object context) { System.Exception exception = null; switch (errorCode) { case Win32Native.ERROR_FILE_NOT_FOUND: exception = new IOException(Environment.GetResourceString("Arg_RegKeyNotFound", errorCode)); break; case Win32Native.ERROR_INVALID_NAME: exception = new ArgumentException(Environment.GetResourceString("Arg_RegInvalidKeyName", "name")); break; case Win32Native.ERROR_INVALID_HANDLE: exception = new ArgumentException(Environment.GetResourceString("AccessControl_InvalidHandle")); break; default: break; } return exception; } 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; } /* // See SetNamedSecurityInfo docs - we must start strings // with names like CURRENT_USER, MACHINE, CLASSES_ROOT, etc. // (Look at SE_OBJECT_TYPE, then the docs for SE_REGISTRY_KEY) internal static String HKeyNameToWindowsName(String keyName) { if (keyName.StartsWith("HKEY_")) { if (keyName.Equals("HKEY_LOCAL_MACHINE")) return "MACHINE"; return keyName.Substring(5); } return keyName; } [SecurityPermission(SecurityAction.Assert, UnmanagedCode=true)] internal void Persist(String keyName) { new RegistryPermission(RegistryPermissionAccess.NoAccess, AccessControlActions.Change, keyName).Demand(); AccessControlSections persistRules = GetAccessControlSectionsFromChanges(); if (persistRules == AccessControlSections.None) return; // Don't need to persist anything. String windowsKeyName = HKeyNameToWindowsName(keyName); base.Persist(windowsKeyName, persistRules); OwnerModified = GroupModified = AuditRulesModified = AccessRulesModified = false; } */ [System.Security.SecurityCritical] // auto-generated [SecurityPermission(SecurityAction.Assert, UnmanagedCode=true)] internal void Persist(SafeRegistryHandle hKey, String keyName) { new RegistryPermission(RegistryPermissionAccess.NoAccess, AccessControlActions.Change, keyName).Demand(); WriteLock(); try { AccessControlSections persistRules = GetAccessControlSectionsFromChanges(); if (persistRules == AccessControlSections.None) return; // Don't need to persist anything. base.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); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- MetadataException.cs
- ExpressionBinding.cs
- WorkerRequest.cs
- _NegotiateClient.cs
- ImageAutomationPeer.cs
- DataGridViewTextBoxEditingControl.cs
- ApplicationDirectoryMembershipCondition.cs
- GridViewCancelEditEventArgs.cs
- InvokeMethodActivity.cs
- ScrollPatternIdentifiers.cs
- InitializationEventAttribute.cs
- OpenTypeCommon.cs
- MethodImplAttribute.cs
- ColorDialog.cs
- MessageQueuePermissionEntry.cs
- GenericNameHandler.cs
- WebServicesInteroperability.cs
- AdapterUtil.cs
- NavigationProperty.cs
- AuthorizationSection.cs
- XmlAttributeHolder.cs
- UInt32Converter.cs
- NativeObjectSecurity.cs
- SharedConnectionInfo.cs
- ShaperBuffers.cs
- ConstructorArgumentAttribute.cs
- ConnectionPointGlyph.cs
- HttpCookieCollection.cs
- ColumnReorderedEventArgs.cs
- ArgumentException.cs
- DashStyle.cs
- StylusPointPropertyInfo.cs
- EventSetterHandlerConverter.cs
- X509CertificateChain.cs
- HttpModulesSection.cs
- DataRowView.cs
- StreamUpgradeBindingElement.cs
- WindowsTitleBar.cs
- DesignerVerbCollection.cs
- OutputScope.cs
- WebPartPersonalization.cs
- StateMachineWorkflowDesigner.cs
- XmlConverter.cs
- CryptoApi.cs
- QueryTask.cs
- SecurityState.cs
- HtmlControlPersistable.cs
- XsltFunctions.cs
- PolicyUtility.cs
- RelationshipEntry.cs
- ChooseAction.cs
- WinFormsComponentEditor.cs
- OdbcUtils.cs
- FocusChangedEventArgs.cs
- XmlDocument.cs
- OperationDescriptionCollection.cs
- EntryPointNotFoundException.cs
- DbProviderFactories.cs
- ZipIORawDataFileBlock.cs
- ChannelDispatcherCollection.cs
- UInt32Converter.cs
- FileVersion.cs
- CompatibleComparer.cs
- ArcSegment.cs
- WebPartConnectionsDisconnectVerb.cs
- ListViewDesigner.cs
- WindowsTokenRoleProvider.cs
- Rotation3D.cs
- UserControl.cs
- RestClientProxyHandler.cs
- UInt64.cs
- TraceData.cs
- DelegatingConfigHost.cs
- SimpleLine.cs
- HttpModuleAction.cs
- DetailsViewInsertedEventArgs.cs
- WSFederationHttpBinding.cs
- DataGridViewRowHeaderCell.cs
- StringArrayEditor.cs
- CompositeFontParser.cs
- SingleKeyFrameCollection.cs
- Substitution.cs
- ContentIterators.cs
- IteratorFilter.cs
- LicenseContext.cs
- ViewLoader.cs
- UInt64.cs
- Int64.cs
- BaseDataBoundControlDesigner.cs
- FormClosedEvent.cs
- SettingsContext.cs
- LifetimeServices.cs
- AttributedMetaModel.cs
- SkipStoryboardToFill.cs
- TokenBasedSetEnumerator.cs
- SmtpTransport.cs
- SelectorItemAutomationPeer.cs
- RecipientInfo.cs
- DBConcurrencyException.cs
- Console.cs