Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / clr / src / BCL / System / Security / AccessControl / EventWaitHandleSecurity.cs / 1 / EventWaitHandleSecurity.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: EventWaitHandleSecurity ** ** ** Purpose: Managed ACL wrapper for Win32 events. ** ** ===========================================================*/ 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; using System.Threading; namespace System.Security.AccessControl { // Derive this list of values from winnt.h and MSDN docs: // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/synchronization_object_security_and_access_rights.asp // Win32's interesting values are EVENT_MODIFY_STATE (0x0002) and // EVENT_ALL_ACCESS (0x1F0003). I don't know what 0x1 is, but Windows // includes it in EVENT_ALL_ACCESS. [Flags] public enum EventWaitHandleRights { Modify = 0x000002, Delete = 0x010000, ReadPermissions = 0x020000, ChangePermissions = 0x040000, TakeOwnership = 0x080000, Synchronize = 0x100000, // SYNCHRONIZE FullControl = 0x1F0003 } public sealed class EventWaitHandleAccessRule : AccessRule { // Constructor for creating access rules for registry objects public EventWaitHandleAccessRule(IdentityReference identity, EventWaitHandleRights eventRights, AccessControlType type) : this(identity, (int) eventRights, false, InheritanceFlags.None, PropagationFlags.None, type) { } public EventWaitHandleAccessRule(String identity, EventWaitHandleRights eventRights, AccessControlType type) : this(new NTAccount(identity), (int) eventRights, false, InheritanceFlags.None, PropagationFlags.None, type) { } // // Internal constructor to be called by public constructors // and the access rule factory methods of {File|Folder}Security // internal EventWaitHandleAccessRule( IdentityReference identity, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AccessControlType type ) : base( identity, accessMask, isInherited, inheritanceFlags, propagationFlags, type ) { } public EventWaitHandleRights EventWaitHandleRights { get { return (EventWaitHandleRights) base.AccessMask; } } } public sealed class EventWaitHandleAuditRule : AuditRule { public EventWaitHandleAuditRule(IdentityReference identity, EventWaitHandleRights eventRights, AuditFlags flags) : this(identity, (int) eventRights, false, InheritanceFlags.None, PropagationFlags.None, flags) { } /* // Not in the spec public EventWaitHandleAuditRule(string identity, EventWaitHandleRights eventRights, AuditFlags flags) : this(new NTAccount(identity), (int) eventRights, false, InheritanceFlags.None, PropagationFlags.None, flags) { } */ internal EventWaitHandleAuditRule(IdentityReference identity, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AuditFlags flags) : base(identity, accessMask, isInherited, inheritanceFlags, propagationFlags, flags) { } public EventWaitHandleRights EventWaitHandleRights { get { return (EventWaitHandleRights) base.AccessMask; } } } public sealed class EventWaitHandleSecurity : NativeObjectSecurity { public EventWaitHandleSecurity() : base(true, ResourceType.KernelObject) { } internal EventWaitHandleSecurity(String name, AccessControlSections includeSections) : base(true, ResourceType.KernelObject, name, includeSections, _HandleErrorCode, null) { // Let the underlying ACL API's demand unmanaged code permission. } internal EventWaitHandleSecurity(SafeWaitHandle handle, AccessControlSections includeSections) : base(true, ResourceType.KernelObject, handle, includeSections, _HandleErrorCode, null) { // Let the underlying ACL API's demand unmanaged code permission. } private static Exception _HandleErrorCode(int errorCode, string name, SafeHandle handle, object context) { System.Exception exception = null; switch (errorCode) { case Win32Native.ERROR_INVALID_NAME: case Win32Native.ERROR_INVALID_HANDLE: case Win32Native.ERROR_FILE_NOT_FOUND: if ((name != null) && (name.Length != 0)) exception = new WaitHandleCannotBeOpenedException(Environment.GetResourceString("Threading.WaitHandleCannotBeOpenedException_InvalidHandle", name)); else exception = new WaitHandleCannotBeOpenedException(); break; default: break; } return exception; } public override AccessRule AccessRuleFactory(IdentityReference identityReference, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AccessControlType type) { return new EventWaitHandleAccessRule(identityReference, accessMask, isInherited, inheritanceFlags, propagationFlags, type); } public override AuditRule AuditRuleFactory(IdentityReference identityReference, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AuditFlags flags) { return new EventWaitHandleAuditRule(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(SafeWaitHandle handle) { // // Let the underlying ACL API's demand unmanaged code. // WriteLock(); try { AccessControlSections persistSections = GetAccessControlSectionsFromChanges(); if (persistSections == AccessControlSections.None) return; // Don't need to persist anything. base.Persist(handle, persistSections); OwnerModified = GroupModified = AuditRulesModified = AccessRulesModified = false; } finally { WriteUnlock(); } } public void AddAccessRule(EventWaitHandleAccessRule rule) { base.AddAccessRule(rule); } public void SetAccessRule(EventWaitHandleAccessRule rule) { base.SetAccessRule(rule); } public void ResetAccessRule(EventWaitHandleAccessRule rule) { base.ResetAccessRule(rule); } public bool RemoveAccessRule(EventWaitHandleAccessRule rule) { return base.RemoveAccessRule(rule); } public void RemoveAccessRuleAll(EventWaitHandleAccessRule rule) { base.RemoveAccessRuleAll(rule); } public void RemoveAccessRuleSpecific(EventWaitHandleAccessRule rule) { base.RemoveAccessRuleSpecific(rule); } public void AddAuditRule(EventWaitHandleAuditRule rule) { base.AddAuditRule(rule); } public void SetAuditRule(EventWaitHandleAuditRule rule) { base.SetAuditRule(rule); } public bool RemoveAuditRule(EventWaitHandleAuditRule rule) { return base.RemoveAuditRule(rule); } public void RemoveAuditRuleAll(EventWaitHandleAuditRule rule) { base.RemoveAuditRuleAll(rule); } public void RemoveAuditRuleSpecific(EventWaitHandleAuditRule rule) { base.RemoveAuditRuleSpecific(rule); } public override Type AccessRightType { get { return typeof(EventWaitHandleRights); } } public override Type AccessRuleType { get { return typeof(EventWaitHandleAccessRule); } } public override Type AuditRuleType { get { return typeof(EventWaitHandleAuditRule); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: EventWaitHandleSecurity ** ** ** Purpose: Managed ACL wrapper for Win32 events. ** ** ===========================================================*/ 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; using System.Threading; namespace System.Security.AccessControl { // Derive this list of values from winnt.h and MSDN docs: // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/synchronization_object_security_and_access_rights.asp // Win32's interesting values are EVENT_MODIFY_STATE (0x0002) and // EVENT_ALL_ACCESS (0x1F0003). I don't know what 0x1 is, but Windows // includes it in EVENT_ALL_ACCESS. [Flags] public enum EventWaitHandleRights { Modify = 0x000002, Delete = 0x010000, ReadPermissions = 0x020000, ChangePermissions = 0x040000, TakeOwnership = 0x080000, Synchronize = 0x100000, // SYNCHRONIZE FullControl = 0x1F0003 } public sealed class EventWaitHandleAccessRule : AccessRule { // Constructor for creating access rules for registry objects public EventWaitHandleAccessRule(IdentityReference identity, EventWaitHandleRights eventRights, AccessControlType type) : this(identity, (int) eventRights, false, InheritanceFlags.None, PropagationFlags.None, type) { } public EventWaitHandleAccessRule(String identity, EventWaitHandleRights eventRights, AccessControlType type) : this(new NTAccount(identity), (int) eventRights, false, InheritanceFlags.None, PropagationFlags.None, type) { } // // Internal constructor to be called by public constructors // and the access rule factory methods of {File|Folder}Security // internal EventWaitHandleAccessRule( IdentityReference identity, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AccessControlType type ) : base( identity, accessMask, isInherited, inheritanceFlags, propagationFlags, type ) { } public EventWaitHandleRights EventWaitHandleRights { get { return (EventWaitHandleRights) base.AccessMask; } } } public sealed class EventWaitHandleAuditRule : AuditRule { public EventWaitHandleAuditRule(IdentityReference identity, EventWaitHandleRights eventRights, AuditFlags flags) : this(identity, (int) eventRights, false, InheritanceFlags.None, PropagationFlags.None, flags) { } /* // Not in the spec public EventWaitHandleAuditRule(string identity, EventWaitHandleRights eventRights, AuditFlags flags) : this(new NTAccount(identity), (int) eventRights, false, InheritanceFlags.None, PropagationFlags.None, flags) { } */ internal EventWaitHandleAuditRule(IdentityReference identity, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AuditFlags flags) : base(identity, accessMask, isInherited, inheritanceFlags, propagationFlags, flags) { } public EventWaitHandleRights EventWaitHandleRights { get { return (EventWaitHandleRights) base.AccessMask; } } } public sealed class EventWaitHandleSecurity : NativeObjectSecurity { public EventWaitHandleSecurity() : base(true, ResourceType.KernelObject) { } internal EventWaitHandleSecurity(String name, AccessControlSections includeSections) : base(true, ResourceType.KernelObject, name, includeSections, _HandleErrorCode, null) { // Let the underlying ACL API's demand unmanaged code permission. } internal EventWaitHandleSecurity(SafeWaitHandle handle, AccessControlSections includeSections) : base(true, ResourceType.KernelObject, handle, includeSections, _HandleErrorCode, null) { // Let the underlying ACL API's demand unmanaged code permission. } private static Exception _HandleErrorCode(int errorCode, string name, SafeHandle handle, object context) { System.Exception exception = null; switch (errorCode) { case Win32Native.ERROR_INVALID_NAME: case Win32Native.ERROR_INVALID_HANDLE: case Win32Native.ERROR_FILE_NOT_FOUND: if ((name != null) && (name.Length != 0)) exception = new WaitHandleCannotBeOpenedException(Environment.GetResourceString("Threading.WaitHandleCannotBeOpenedException_InvalidHandle", name)); else exception = new WaitHandleCannotBeOpenedException(); break; default: break; } return exception; } public override AccessRule AccessRuleFactory(IdentityReference identityReference, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AccessControlType type) { return new EventWaitHandleAccessRule(identityReference, accessMask, isInherited, inheritanceFlags, propagationFlags, type); } public override AuditRule AuditRuleFactory(IdentityReference identityReference, int accessMask, bool isInherited, InheritanceFlags inheritanceFlags, PropagationFlags propagationFlags, AuditFlags flags) { return new EventWaitHandleAuditRule(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(SafeWaitHandle handle) { // // Let the underlying ACL API's demand unmanaged code. // WriteLock(); try { AccessControlSections persistSections = GetAccessControlSectionsFromChanges(); if (persistSections == AccessControlSections.None) return; // Don't need to persist anything. base.Persist(handle, persistSections); OwnerModified = GroupModified = AuditRulesModified = AccessRulesModified = false; } finally { WriteUnlock(); } } public void AddAccessRule(EventWaitHandleAccessRule rule) { base.AddAccessRule(rule); } public void SetAccessRule(EventWaitHandleAccessRule rule) { base.SetAccessRule(rule); } public void ResetAccessRule(EventWaitHandleAccessRule rule) { base.ResetAccessRule(rule); } public bool RemoveAccessRule(EventWaitHandleAccessRule rule) { return base.RemoveAccessRule(rule); } public void RemoveAccessRuleAll(EventWaitHandleAccessRule rule) { base.RemoveAccessRuleAll(rule); } public void RemoveAccessRuleSpecific(EventWaitHandleAccessRule rule) { base.RemoveAccessRuleSpecific(rule); } public void AddAuditRule(EventWaitHandleAuditRule rule) { base.AddAuditRule(rule); } public void SetAuditRule(EventWaitHandleAuditRule rule) { base.SetAuditRule(rule); } public bool RemoveAuditRule(EventWaitHandleAuditRule rule) { return base.RemoveAuditRule(rule); } public void RemoveAuditRuleAll(EventWaitHandleAuditRule rule) { base.RemoveAuditRuleAll(rule); } public void RemoveAuditRuleSpecific(EventWaitHandleAuditRule rule) { base.RemoveAuditRuleSpecific(rule); } public override Type AccessRightType { get { return typeof(EventWaitHandleRights); } } public override Type AccessRuleType { get { return typeof(EventWaitHandleAccessRule); } } public override Type AuditRuleType { get { return typeof(EventWaitHandleAuditRule); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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