EventWaitHandleSecurity.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Security / AccessControl / EventWaitHandleSecurity.cs / 1305376 / 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)
        { 
        }

        [System.Security.SecurityCritical]  // auto-generated
        internal EventWaitHandleSecurity(String name, AccessControlSections includeSections) 
            : base(true, ResourceType.KernelObject, name, includeSections, _HandleErrorCode, null)
        { 
            // Let the underlying ACL API's demand unmanaged code permission. 
        }
 
        [System.Security.SecurityCritical]  // auto-generated
        internal EventWaitHandleSecurity(SafeWaitHandle handle, AccessControlSections includeSections)
            : base(true, ResourceType.KernelObject, handle, includeSections, _HandleErrorCode, null)
        { 
            // Let the underlying ACL API's demand unmanaged code permission.
        } 
 
        [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_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; 
        } 

        [System.Security.SecurityCritical]  // auto-generated 
        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)
        { 
        }

        [System.Security.SecurityCritical]  // auto-generated
        internal EventWaitHandleSecurity(String name, AccessControlSections includeSections) 
            : base(true, ResourceType.KernelObject, name, includeSections, _HandleErrorCode, null)
        { 
            // Let the underlying ACL API's demand unmanaged code permission. 
        }
 
        [System.Security.SecurityCritical]  // auto-generated
        internal EventWaitHandleSecurity(SafeWaitHandle handle, AccessControlSections includeSections)
            : base(true, ResourceType.KernelObject, handle, includeSections, _HandleErrorCode, null)
        { 
            // Let the underlying ACL API's demand unmanaged code permission.
        } 
 
        [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_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; 
        } 

        [System.Security.SecurityCritical]  // auto-generated 
        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.
                        

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK