Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeEventLogReadHandle.cs

@@ -0,0 +1,54 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeEventLogReadHandle 
+**
+** <EMAIL>Author: David Gutierrez ([....]) </EMAIL>
+**
+** A wrapper for event log handles
+**
+** Date:  July 8, 2002
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [HostProtectionAttribute(MayLeakOnAbort = true)]
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeEventLogReadHandle : SafeHandleZeroOrMinusOneIsInvalid
+    {
+        // Note: OpenEventLog returns 0 on failure.
+
+        internal SafeEventLogReadHandle () : base(true) { }
+
+
+        [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]
+        [ResourceExposure(ResourceScope.Machine)]
+        internal static extern SafeEventLogReadHandle OpenEventLog(string UNCServerName, string sourceName);
+
+        [DllImport(ExternDll.Advapi32, SetLastError=true)]
+        [ResourceExposure(ResourceScope.None)]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+        private static extern bool CloseEventLog(IntPtr hEventLog);
+
+        override protected bool ReleaseHandle()
+        {
+            return CloseEventLog(handle);
+        }
+    }
+}
+
+

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeEventLogWriteHandle.cs

@@ -0,0 +1,54 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeEventLogWriteHandle 
+**
+** <EMAIL>Author: David Gutierrez ([....]) </EMAIL>
+**
+** A wrapper for event log handles
+**
+** Date:  July 8, 2002
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [HostProtectionAttribute(MayLeakOnAbort = true)]
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeEventLogWriteHandle : SafeHandleZeroOrMinusOneIsInvalid
+    {
+        // Note: RegisterEventSource returns 0 on failure
+
+        internal SafeEventLogWriteHandle () : base(true) {}
+
+        [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]
+        [ResourceExposure(ResourceScope.Machine)]
+        internal static extern SafeEventLogWriteHandle RegisterEventSource(string uncServerName, string sourceName);
+
+        [DllImport(ExternDll.Advapi32, SetLastError=true)]
+        [ResourceExposure(ResourceScope.None)]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+        private static extern bool DeregisterEventSource(IntPtr hEventLog);
+
+        override protected bool ReleaseHandle()
+        {
+            return DeregisterEventSource(handle);
+        }
+    }
+}
+
+
+

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeFileMapViewHandle.cs

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+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeFileMapViewHandle
+**
+** <EMAIL>Author: Brian Grunkemeyer ([....]) </EMAIL>
+**
+** A wrapper for handles returned from MapViewOfFile, used
+** for shared memory.
+**
+** Date:  August 7, 2002
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [HostProtectionAttribute(MayLeakOnAbort = true)]
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeFileMapViewHandle : SafeHandleZeroOrMinusOneIsInvalid
+    { 
+        // Note that MapViewOfFile returns 0 on failure
+
+        internal SafeFileMapViewHandle() : base(true) {}
+        
+        [DllImport(ExternDll.Kernel32, ExactSpelling=true, CharSet=CharSet.Auto)]
+        [ResourceExposure(ResourceScope.Machine)]
+        internal static extern SafeFileMapViewHandle MapViewOfFile(SafeFileMappingHandle hFileMappingObject, int dwDesiredAccess, int dwFileOffsetHigh, int dwFileOffsetLow, UIntPtr dwNumberOfBytesToMap);
+
+        [DllImport(ExternDll.Kernel32, ExactSpelling=true, SetLastError=true)]
+        [ResourceExposure(ResourceScope.None)]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+        private static extern bool UnmapViewOfFile(IntPtr handle);
+
+        override protected bool ReleaseHandle()
+        {
+            return UnmapViewOfFile(handle);
+        }
+
+    }
+}

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeFileMappingHandle.cs

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+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeFileMappingHandle
+**
+** <EMAIL>Author: David Gutierrez ([....]) </EMAIL>
+**
+** A wrapper for handle to file mappings, returned by 
+** CreateFileMapping and OpenFileMapping.  Used for shared 
+** memory.
+**
+** Date:  July 8, 2002
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [HostProtectionAttribute(MayLeakOnAbort = true)]
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeFileMappingHandle : SafeHandleZeroOrMinusOneIsInvalid
+    { 
+        // Note that CreateFileMapping returns 0 on failure.
+
+        // Note that you can pass in -1 for the hFile parameter.
+        [SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode=true)]
+        internal SafeFileMappingHandle() : base(true) {}
+             
+        [DllImport(ExternDll.Kernel32, ExactSpelling=true, SetLastError=true)]
+        [ResourceExposure(ResourceScope.None)]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+        private static extern bool CloseHandle(IntPtr handle);
+
+        override protected bool ReleaseHandle()
+        {
+            return CloseHandle(handle);
+        }
+    }
+}

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeLibraryHandle.cs

@@ -0,0 +1,58 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeLibraryHandle 
+**
+** <EMAIL>Author: David Gutierrez ([....]) </EMAIL>
+**
+** A wrapper for a library handles
+**
+** Date:  July 8, 2002
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [HostProtectionAttribute(MayLeakOnAbort = true)]
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeLibraryHandle : SafeHandleZeroOrMinusOneIsInvalid
+    {
+        // Note that LoadLibraryEx returns 0 on failure
+
+        internal SafeLibraryHandle() : base(true) {}
+        
+        [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Unicode, SetLastError=true)]
+        [ResourceExposure(ResourceScope.Machine)]
+        internal static extern SafeLibraryHandle LoadLibraryEx(string libFilename, IntPtr reserved, int flags);        
+                
+        [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Unicode)]
+        [ResourceExposure(ResourceScope.None)]
+#if !FEATURE_WINDOWSPHONE
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+#endif // !FEATURE_WINDOWSPHONE
+        private static extern bool FreeLibrary(IntPtr hModule);     
+
+        override protected bool ReleaseHandle()
+        {
+            return FreeLibrary(handle);
+        }
+
+    }
+}
+
+
+
+

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeLocalMemHandle.cs

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+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeLocalMemHandle
+**
+** <EMAIL>Author: David Gutierrez ([....]) </EMAIL>
+**
+** A wrapper for handle to local memory
+**
+** Date:  July 8, 2002
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [HostProtectionAttribute(MayLeakOnAbort = true)]
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeLocalMemHandle : SafeHandleZeroOrMinusOneIsInvalid
+    { 
+        internal SafeLocalMemHandle() : base(true) {}
+        
+        [SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode=true)]
+        internal SafeLocalMemHandle(IntPtr existingHandle, bool ownsHandle) : base(ownsHandle) {
+            SetHandle(existingHandle);
+        }
+
+
+        [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true, BestFitMapping=false)]
+        [ResourceExposure(ResourceScope.None)]
+        internal static extern unsafe bool ConvertStringSecurityDescriptorToSecurityDescriptor(string StringSecurityDescriptor, int StringSDRevision, out SafeLocalMemHandle pSecurityDescriptor, IntPtr SecurityDescriptorSize);
+
+        [DllImport(ExternDll.Kernel32)]
+        [ResourceExposure(ResourceScope.None)]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+        private static extern IntPtr LocalFree(IntPtr hMem);
+
+        override protected bool ReleaseHandle()
+        {
+            return LocalFree(handle) == IntPtr.Zero;
+        }
+
+    }
+}
+
+
+
+
+

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeProcessHandle.cs

@@ -0,0 +1,70 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeProcessHandle 
+**
+** A wrapper for a process handle
+**
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Diagnostics;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [SuppressUnmanagedCodeSecurityAttribute]
+    public sealed class SafeProcessHandle : SafeHandleZeroOrMinusOneIsInvalid
+    { 
+        internal static SafeProcessHandle InvalidHandle = new SafeProcessHandle(IntPtr.Zero); 
+    
+        // Note that OpenProcess returns 0 on failure
+
+        internal SafeProcessHandle() : base(true) {}
+
+        internal SafeProcessHandle(IntPtr handle) : base(true) {
+            SetHandle(handle);
+        }
+        
+        [SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode = true)]
+        public SafeProcessHandle(IntPtr existingHandle, bool ownsHandle) : base(ownsHandle) {
+            SetHandle(existingHandle);
+        }
+
+#if !MONO
+        [DllImport(ExternDll.Kernel32, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
+        [ResourceExposure(ResourceScope.Machine)]
+        internal static extern SafeProcessHandle OpenProcess(int access, bool inherit, int processId);
+#endif
+        
+        internal void InitialSetHandle(IntPtr h){
+            Debug.Assert(base.IsInvalid, "Safe handle should only be set once");
+            base.handle = h;
+        }
+        
+        override protected bool ReleaseHandle()
+        {
+#if !MONO
+            return SafeNativeMethods.CloseHandle(handle);
+#else
+            return NativeMethods.CloseProcess (handle);
+#endif
+        }
+
+    }
+}
+
+
+
+

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeThreadHandle.cs

@@ -0,0 +1,47 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeThreadHandle 
+**
+**
+** A wrapper for a thread handle
+**
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Diagnostics;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+
+namespace Microsoft.Win32.SafeHandles {
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeThreadHandle : SafeHandleZeroOrMinusOneIsInvalid
+    { 
+        internal SafeThreadHandle() : base(true) {
+        } 
+
+        internal void InitialSetHandle(IntPtr h){
+            Debug.Assert(base.IsInvalid, "Safe handle should only be set once");
+            base.SetHandle(h);
+         }
+        
+        override  protected bool ReleaseHandle() {
+            return SafeNativeMethods.CloseHandle(handle);
+        }
+
+    }
+}
+
+
+
+

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeTimerHandle.cs

@@ -0,0 +1,59 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeTimerHandle
+**
+** <EMAIL>Author: David Gutierrez ([....]) </EMAIL>
+**
+** A wrapper for a timer handle
+**
+** Date:  July 23, 2002
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [HostProtectionAttribute(MayLeakOnAbort=true)]
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeTimerHandle : SafeHandleZeroOrMinusOneIsInvalid
+    { 
+        // Note that CreateWaitableTimer returns 0 on failure
+        
+        internal SafeTimerHandle() : base (true) {}
+        
+        // Not currently used
+        //[SecurityPermission(SecurityAction.LinkDemand, UnmanagedCode=true)]
+        //internal SafeTimerHandle(IntPtr existingHandle, bool ownsHandle) : base(ownsHandle) {
+        //    SetHandle(existingHandle);
+        //}
+        
+        [DllImport(ExternDll.Kernel32, ExactSpelling=true, SetLastError=true)]
+        [ResourceExposure(ResourceScope.None)]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+        private static extern bool CloseHandle(IntPtr handle);
+
+        override protected bool ReleaseHandle()
+        {
+            return CloseHandle(handle);
+        }
+    }
+}
+
+
+
+
+
+

mcs/class/referencesource/System/compmod/microsoft/win32/safehandles/SafeUserTokenHandle.cs

@@ -0,0 +1,63 @@
+// ==++==
+// 
+//   Copyright (c) Microsoft Corporation.  All rights reserved.
+// 
+// ==--==
+/*============================================================
+**
+** Class:  SafeUserTokenHandle 
+**
+** <EMAIL>Author: David Gutierrez ([....]) </EMAIL>
+**
+** A wrapper for a user token handle
+**
+** Date:  July 8, 2002
+** 
+===========================================================*/
+
+using System;
+using System.Security;
+using System.Security.Permissions;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+using Microsoft.Win32;
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.ConstrainedExecution;
+using System.Runtime.Versioning;
+
+namespace Microsoft.Win32.SafeHandles {
+    [HostProtectionAttribute(MayLeakOnAbort = true)]
+    [SuppressUnmanagedCodeSecurityAttribute]
+    internal sealed class SafeUserTokenHandle : SafeHandleZeroOrMinusOneIsInvalid
+    {
+        // Note that OpenProcess returns 0 on failure.
+        internal SafeUserTokenHandle() : base (true) {}
+
+        internal SafeUserTokenHandle(IntPtr existingHandle, bool ownsHandle) : base(ownsHandle) {
+            SetHandle(existingHandle);
+        }
+        
+#if !FEATURE_PAL
+
+        [DllImport(ExternDll.Advapi32, CharSet=System.Runtime.InteropServices.CharSet.Auto, SetLastError=true, BestFitMapping=false)]
+        [ResourceExposure(ResourceScope.None)]
+        internal extern static bool DuplicateTokenEx(SafeHandle hToken, int access, NativeMethods.SECURITY_ATTRIBUTES tokenAttributes, int impersonationLevel, int tokenType, out SafeUserTokenHandle hNewToken);
+
+#endif // !FEATURE_PAL
+
+        [DllImport(ExternDll.Kernel32, ExactSpelling=true, SetLastError=true)]
+        [ResourceExposure(ResourceScope.None)]
+        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
+        private static extern bool CloseHandle(IntPtr handle);            
+
+        override protected bool ReleaseHandle()
+        {
+            return CloseHandle(handle);
+        }
+    }
+}
+
+
+
+
+