Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Shared / MS / Win32 / unsafenativemethodsother.cs / 2 / unsafenativemethodsother.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
using System.Threading;
using System.ComponentModel;
using System.Diagnostics;
namespace MS.Win32
{
using Accessibility;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using System;
using System.Security.Permissions;
using System.Collections;
using System.IO;
using System.Text;
using System.Security;
using Microsoft.Win32.SafeHandles;
#if WINDOWS_BASE
using MS.Internal.WindowsBase;
#elif PRESENTATION_CORE
using MS.Internal.PresentationCore;
#elif PRESENTATIONFRAMEWORK
using MS.Internal.PresentationFramework;
#elif DRT
using MS.Internal.Drt;
#else
#error Attempt to use FriendAccessAllowedAttribute from an unknown assembly.
using MS.Internal.YourAssemblyName;
#endif
using IComDataObject = System.Runtime.InteropServices.ComTypes.IDataObject;
//[SuppressUnmanagedCodeSecurity()]
[FriendAccessAllowed]
internal partial class UnsafeNativeMethods
{
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", CharSet=CharSet.Auto, SetLastError=true, EntryPoint="GetTempFileName")]
internal static extern uint _GetTempFileName(string tmpPath, string prefix, uint uniqueIdOrZero, StringBuilder tmpFileName);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical]
internal static uint GetTempFileName(string tmpPath, string prefix, uint uniqueIdOrZero, StringBuilder tmpFileName)
{
uint result = _GetTempFileName(tmpPath, prefix, uniqueIdOrZero, tmpFileName);
if (result == 0)
{
throw new Win32Exception();
}
return result;
}
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.NaturalLanguage6, PreserveSig = false, EntryPoint = "DllGetClassObject")]
internal static extern void NaturalLanguageDllGetClassObject(ref Guid clsid, ref Guid iid, [MarshalAs(UnmanagedType.Interface)] out object classObject);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Shell32, CharSet = System.Runtime.InteropServices.CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern int ExtractIconEx(
string stExeFileName,
int nIconIndex,
ref NativeMethods.IconHandle phiconLarge,
ref NativeMethods.IconHandle phiconSmall,
int nIcons);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
internal static extern NativeMethods.IconHandle CreateIcon(IntPtr hInstance, int nWidth, int nHeight, byte cPlanes, byte cBitsPixel, byte[] lpbANDbits, byte[] lpbXORbits);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, SetLastError = true, CharSet = CharSet.Auto)]
public static extern bool CreateCaret(HandleRef hwnd, NativeMethods.BitmapHandle hbitmap, int width, int height);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, SetLastError = true, CharSet = CharSet.Auto)]
public static extern bool ShowCaret(HandleRef hwnd);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern bool ShowWindowAsync(HandleRef hWnd, int nCmdShow);
[DllImport(ExternDll.User32, EntryPoint="LoadImage", CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern NativeMethods.IconHandle LoadImageIcon(IntPtr hinst, string stName, int nType, int cxDesired, int cyDesired, int nFlags);
[DllImport(ExternDll.User32, EntryPoint="LoadImage", CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern NativeMethods.CursorHandle LoadImageCursor(IntPtr hinst, string stName, int nType, int cxDesired, int cyDesired, int nFlags);
// uncomment this if you plan to use LoadImage to load anything other than Icons/Cursors.
/*
[DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern SafeHandle LoadImage(
IntPtr hinst, string stName, int nType, int cxDesired, int cyDesired, int nFlags);
*/
/*
[DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern NativeMethods.IconHandle LoadImage(
IntPtr hinst, string stName, int nType, int cxDesired, int cyDesired, int nFlags);
*/
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Urlmon, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Ansi, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern int ObtainUserAgentString(int dwOption, StringBuilder userAgent, ref int length);
///
/// Critical - performs an elevation.
///
/// Could be a candidate for safe - as the only information disclosed is whether
/// a certain security measure is on or off.
/// Likely this determination could be made by trying certain actions and failing.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport( ExternDll.Urlmon, ExactSpelling=true)]
internal static extern int CoInternetIsFeatureEnabled( int featureEntry , int dwFlags );
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport( ExternDll.Urlmon, ExactSpelling=true)]
internal static extern int CoInternetSetFeatureEnabled( int featureEntry , int dwFlags, bool fEnable );
///
/// Critical - performs an elevation.
///
/// Could be a candidate for safe - as the only information disclosed is whether
/// a certain security measure is on or off.
/// Likely this determination could be made by trying certain actions and failing.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport( ExternDll.Urlmon, ExactSpelling=true)]
internal static extern int CoInternetIsFeatureZoneElevationEnabled(
[MarshalAs(UnmanagedType.LPWStr)] string szFromURL,
[MarshalAs(UnmanagedType.LPWStr)] string szToURL,
UnsafeNativeMethods.IInternetSecurityManager secMgr,
int dwFlags
);
///
/// Critical - call is SUC'ed
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.PresentationHostDll, EntryPoint = "ProcessUnhandledException")]
internal static extern void ProcessUnhandledException_DLL([MarshalAs(UnmanagedType.BStr)] string errMsg);
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport(ExternDll.Kernel32, CharSet=CharSet.Unicode)]
internal static extern bool GetVersionEx([In, Out] NativeMethods.OSVERSIONINFOEX ver);
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport( ExternDll.Urlmon, ExactSpelling=true)]
internal static extern int CoInternetCreateSecurityManager(
[MarshalAs(UnmanagedType.Interface)] object pIServiceProvider,
[MarshalAs(UnmanagedType.Interface)] out object ppISecurityManager ,
int dwReserved ) ;
[ComImport, ComVisible(false), Guid("79eac9ee-baf9-11ce-8c82-00aa004ba90b"), System.Runtime.InteropServices.InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface IInternetSecurityManager
{
void SetSecuritySite( NativeMethods.IInternetSecurityMgrSite pSite);
unsafe void GetSecuritySite( /* [out] */ void **ppSite);
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
void MapUrlToZone(
[In, MarshalAs(UnmanagedType.BStr)]
string pwszUrl,
[Out] out int pdwZone,
[In] int dwFlags);
unsafe void GetSecurityId( /* [in] */ string pwszUrl,
/* [size_is][out] */ byte *pbSecurityId,
/* [out][in] */ int *pcbSecurityId,
/* [in] */ int dwReserved);
unsafe void ProcessUrlAction(
/* [in] */ string pwszUrl,
/* [in] */ int dwAction,
/* [size_is][out] */ byte *pPolicy,
/* [in] */ int cbPolicy,
/* [in] */ byte *pContext,
/* [in] */ int cbContext,
/* [in] */ int dwFlags,
/* [in] */ int dwReserved);
unsafe void QueryCustomPolicy(
/* [in] */ string pwszUrl,
/* [in] */ /*REFGUID*/ void *guidKey,
/* [size_is][size_is][out] */ byte **ppPolicy,
/* [out] */ int *pcbPolicy,
/* [in] */ byte *pContext,
/* [in] */ int cbContext,
/* [in] */ int dwReserved);
unsafe void SetZoneMapping( /* [in] */ int dwZone, /* [in] */ string lpszPattern, /* [in] */ int dwFlags);
unsafe void GetZoneMappings( /* [in] */ int dwZone, /* [out] */ /*IEnumString*/ void **ppenumString, /* [in] */ int dwFlags);
}
///
///
///
///
///
/// SecurityCritical: This code returns a critical resource obtained under an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, SetLastError = true, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal unsafe static extern SafeFileHandle CreateFile(
string lpFileName,
uint dwDesiredAccess,
uint dwShareMode,
[In] NativeMethods.SECURITY_ATTRIBUTES lpSecurityAttributes,
int dwCreationDisposition,
int dwFlagsAndAttributes,
IntPtr hTemplateFile);
#endif
#if BASE_NATIVEMETHODS
///
/// Critical: This code is critical because it can be used to
/// pass and force arbitrary data into the tree. We should
/// consider yanking it out all the way
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = CharSet.Auto)]
internal static extern IntPtr GetMessageExtraInfo();
#endif
#if BASE_NATIVEMETHODS
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, EntryPoint="WaitForMultipleObjectsEx", SetLastError = true, CharSet = CharSet.Auto)]
private static extern int IntWaitForMultipleObjectsEx(int nCount, IntPtr[] pHandles, bool bWaitAll, int dwMilliseconds, bool bAlertable);
public const int WAIT_FAILED = unchecked((int)0xFFFFFFFF);
///
/// Critical - calls IntWaitForMultipleObjectsEx (the real PInvoke method)
///
[SecurityCritical]
internal static int WaitForMultipleObjectsEx(int nCount, IntPtr[] pHandles, bool bWaitAll, int dwMilliseconds, bool bAlertable)
{
int result = IntWaitForMultipleObjectsEx(nCount, pHandles, bWaitAll, dwMilliseconds, bAlertable);
if(result == UnsafeNativeMethods.WAIT_FAILED)
{
throw new Win32Exception();
}
return result;
}
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="MsgWaitForMultipleObjectsEx", SetLastError=true, ExactSpelling = true, CharSet = CharSet.Auto)]
private static extern int IntMsgWaitForMultipleObjectsEx(int nCount, IntPtr[] pHandles, int dwMilliseconds, int dwWakeMask, int dwFlags);
///
/// Critical - calls IntMsgWaitForMultipleObjectsEx (the real PInvoke method)
///
[SecurityCritical]
internal static int MsgWaitForMultipleObjectsEx(int nCount, IntPtr[] pHandles, int dwMilliseconds, int dwWakeMask, int dwFlags)
{
int result = IntMsgWaitForMultipleObjectsEx(nCount, pHandles, dwMilliseconds, dwWakeMask, dwFlags);
if(result == -1)
{
throw new Win32Exception();
}
return result;
}
#endif
///
/// Critical: This code elevates to unmanaged code permission
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="RegisterClassEx", CharSet=CharSet.Auto, SetLastError=true, BestFitMapping=false)]
internal static extern UInt16 IntRegisterClassEx(NativeMethods.WNDCLASSEX_D wc_d);
///
/// Critical - calls IntRegisterClassEx (the real PInvoke method)
///
[SecurityCritical]
internal static UInt16 RegisterClassEx(NativeMethods.WNDCLASSEX_D wc_d)
{
UInt16 result = IntRegisterClassEx(wc_d);
if(result == 0)
{
throw new Win32Exception();
}
return result;
}
///
/// Critical: This code elevates to unmanaged code permission
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="UnregisterClass",CharSet = CharSet.Auto, SetLastError = true, BestFitMapping=false)]
internal static extern int IntUnregisterClass(IntPtr atomString /*lpClassName*/ , IntPtr hInstance);
///
/// Critical - calls IntUnregisterClass (the real PInvoke method)
///
[SecurityCritical]
internal static void UnregisterClass(IntPtr atomString /*lpClassName*/ , IntPtr hInstance)
{
int result = IntUnregisterClass(atomString, hInstance);
if (result == 0)
{
throw new Win32Exception();
}
}
// note that this method exists in UnsafeNativeMethodsCLR.cs but with a different signature
// using a HandleRef for the hWnd instead of an IntPtr, and not using an IntPtr for lParam
[DllImport(ExternDll.User32, CharSet = CharSet.Auto)]
internal static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
// note that this method exists in UnsafeNativeMethodsCLR.cs but with a different signature
// using a HandleRef for the hWnd instead of an IntPtr, and not using an IntPtr for lParam
///
/// Critical: This code has the ability to send a message to the wndproc. It exists purely for
/// the secure close scenario. For any other scenario please use the SendMessage call
///
[DllImport(ExternDll.User32,EntryPoint="SendMessage", CharSet = CharSet.Auto)]
[SecurityCritical,SuppressUnmanagedCodeSecurity]
internal static extern IntPtr UnsafeSendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
/*
//
// SendMessage taking a SafeHandle for wParam. Needed by some Win32 messages. e.g. WM_PRINT
//
[DllImport(ExternDll.User32, CharSet = CharSet.Auto)]
internal static extern IntPtr SendMessage(HandleRef hWnd, int msg, SafeHandle wParam, IntPtr lParam);
*/
// private DllImport - that takes an IconHandle.
///
/// Critical: This code causes elevation to unmanaged code
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = CharSet.Auto, SetLastError = true)]
internal static extern IntPtr SendMessage( HandleRef hWnd, int msg, IntPtr wParam, NativeMethods.IconHandle iconHandle );
///
/// Critical: This code causes elevation to unmanaged code
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, ExactSpelling = true, CharSet = CharSet.Auto)]
internal static extern void SetLastError(int dwErrorCode);
#if BASE_NATIVEMETHODS || CORE_NATIVEMETHODS || FRAMEWORK_NATIVEMETHODS
///
/// Win32 GetLayeredWindowAttributes.
///
///
///
///
///
///
/// Critical: This code calls into unmanaged code
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("user32.dll")]
public static extern bool GetLayeredWindowAttributes(
HandleRef hwnd, IntPtr pcrKey, IntPtr pbAlpha, IntPtr pdwFlags);
internal sealed class SafeFileMappingHandle : SafeHandleZeroOrMinusOneIsInvalid
{
///
/// Critical: base class enforces link demand and inheritance demand
/// TreatAsSafe: Creating this is ok, accessing the pointer is bad
///
[SecurityCritical,SecurityTreatAsSafe]
internal SafeFileMappingHandle() : base(true)
{
}
///
/// Critical: base class enforces link demand and inheritance demand
/// TreatAsSafe: This call is safe
///
public override bool IsInvalid
{
[SecurityCritical,SecurityTreatAsSafe]
get
{
return handle == IntPtr.Zero;
}
}
///
/// Critical - as this function does an elevation to close a handle.
/// TreatAsSafe - as this can at best be used to destabilize one's own app.
///
[SecurityCritical, SecurityTreatAsSafe]
protected override bool ReleaseHandle()
{
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
try
{
return CloseHandleNoThrow(new HandleRef(null, handle));
}
finally
{
SecurityPermission.RevertAssert();
}
}
}
internal sealed class SafeViewOfFileHandle : SafeHandleZeroOrMinusOneIsInvalid
{
///
/// Critical: This code calls into a base class which link demands for unmanaged code
/// TreatAsSafe:Creating this is ok it is acessing the pointers in it that can be risky
///
[SecurityCritical,SecurityTreatAsSafe]
internal SafeViewOfFileHandle() : base(true) { }
///
/// Critical: This code accesses an unsafe object (pointer) and returns it as a pointer
///
internal unsafe void* Memory
{
[SecurityCritical]
get
{
Debug.Assert(handle != IntPtr.Zero);
return (void*)handle;
}
}
///
/// Critical - as this function does an elevation to close a handle.
/// TreatAsSafe - as this can at best be used to destabilize one's own app.
///
[SecurityCritical, SecurityTreatAsSafe]
override protected bool ReleaseHandle()
{
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
try
{
return UnsafeNativeMethods.UnmapViewOfFileNoThrow(new HandleRef(null, handle));
}
finally
{
SecurityPermission.RevertAssert();
}
}
}
///
/// SecurityCritical: This code returns critical resource obtained under an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal unsafe static extern SafeFileMappingHandle CreateFileMapping(SafeFileHandle hFile, NativeMethods.SECURITY_ATTRIBUTES lpFileMappingAttributes, int flProtect, uint dwMaximumSizeHigh, uint dwMaximumSizeLow, string lpName);
///
/// SecurityCritical: This code returns a critical resource obtained under an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, SetLastError = true)]
internal static extern SafeViewOfFileHandle MapViewOfFileEx(SafeFileMappingHandle hFileMappingObject, int dwDesiredAccess, int dwFileOffsetHigh, int dwFileOffsetLow, IntPtr dwNumberOfBytesToMap, IntPtr lpBaseAddress);
#endif // BASE_NATIVEMETHODS
[DllImport(ExternDll.User32, EntryPoint="SetWindowLongPtr", CharSet=CharSet.Auto)]
private static extern IntPtr IntSetWindowLongPtr(HandleRef hWnd, int nIndex, IntPtr dwNewLong);
[DllImport(ExternDll.User32, EntryPoint="SetWindowLong", CharSet=CharSet.Auto)]
private static extern Int32 IntSetWindowLong(HandleRef hWnd, int nIndex, Int32 dwNewLong);
///
/// Critical: LinkDemand on Marshal.GetLastWin32Error
/// TreatAsSafe: Getting an error code isn't unsafe
/// Note: If a SupressUnmanagedCodeSecurity attribute is ever added to IntsetWindowLong(Ptr), we'd need to be Critical
///
[SecurityCritical, SecurityTreatAsSafe]
internal static IntPtr SetWindowLong(HandleRef hWnd, int nIndex, IntPtr dwNewLong)
{
IntPtr result = IntPtr.Zero;
if (IntPtr.Size == 4)
{
// use SetWindowLong
Int32 tempResult = IntSetWindowLong(hWnd, nIndex, NativeMethods.IntPtrToInt32(dwNewLong));
result = new IntPtr(tempResult);
}
else
{
// use SetWindowLongPtr
result = IntSetWindowLongPtr(hWnd, nIndex, dwNewLong);
}
return result;
}
///
/// Critical - link demands for UnmanagedCode permissions
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="SetWindowLongPtr", CharSet=CharSet.Auto)]
private static extern IntPtr IntCriticalSetWindowLongPtr(HandleRef hWnd, int nIndex, IntPtr dwNewLong);
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="SetWindowLong", CharSet=CharSet.Auto)]
private static extern Int32 IntCriticalSetWindowLong(HandleRef hWnd, int nIndex, Int32 dwNewLong);
///
/// Critical - it calls IntCriticalSetWindowLongPtr() / IntCriticalSetWindowLong(), which are Critical
///
[SecurityCritical]
internal static IntPtr CriticalSetWindowLong(HandleRef hWnd, int nIndex, IntPtr dwNewLong)
{
IntPtr result = IntPtr.Zero;
if (IntPtr.Size == 4)
{
// use SetWindowLong
Int32 tempResult = IntCriticalSetWindowLong(hWnd, nIndex, NativeMethods.IntPtrToInt32(dwNewLong));
result = new IntPtr(tempResult);
}
else
{
// use SetWindowLongPtr
result = IntCriticalSetWindowLongPtr(hWnd, nIndex, dwNewLong);
}
return result;
}
///
/// Critical - This link demands for UnmanagedCode permissions
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="SetWindowLongPtr", CharSet=CharSet.Auto, SetLastError=true)]
private static extern IntPtr IntCriticalSetWindowLongPtr(HandleRef hWnd, int nIndex, NativeMethods.WndProc dwNewLong);
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="SetWindowLong", CharSet=CharSet.Auto, SetLastError=true)]
private static extern Int32 IntCriticalSetWindowLong(HandleRef hWnd, int nIndex, NativeMethods.WndProc dwNewLong);
///
/// Critical - This calls SetLatError() and IntCriticalSetWindowLongPtr() / IntCriticalSetWindowLong(), which are Critical
///
[SecurityCritical]
internal static IntPtr CriticalSetWindowLong(HandleRef hWnd, int nIndex, NativeMethods.WndProc dwNewLong)
{
int errorCode;
IntPtr retVal;
SetLastError(0); // Win32 SetWindowLong doesn't clear error on success
if (IntPtr.Size == 4)
{
Int32 tempRetVal = IntCriticalSetWindowLong(hWnd, nIndex, dwNewLong);
errorCode = Marshal.GetLastWin32Error();
retVal = new IntPtr(tempRetVal);
}
else
{
retVal = IntCriticalSetWindowLongPtr(hWnd, nIndex, dwNewLong);
errorCode = Marshal.GetLastWin32Error();
}
if (retVal == IntPtr.Zero)
{
if (errorCode != 0)
{
throw new System.ComponentModel.Win32Exception(errorCode);
}
}
return retVal;
}
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="GetWindowLongPtr", CharSet=CharSet.Auto, SetLastError=true)]
private static extern IntPtr IntGetWindowLongPtr(HandleRef hWnd, int nIndex);
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="GetWindowLong", CharSet=CharSet.Auto, SetLastError=true)]
private static extern Int32 IntGetWindowLong(HandleRef hWnd, int nIndex );
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical]
internal static IntPtr GetWindowLongPtr(HandleRef hWnd, int nIndex )
{
IntPtr result = IntPtr.Zero;
int error = 0;
SetLastError(0); // Win32 GetWindowLong doesn't clear error on success
if (IntPtr.Size == 4)
{
// use getWindowLong
Int32 tempResult = IntGetWindowLong(hWnd, nIndex);
error = Marshal.GetLastWin32Error();
result = new IntPtr(tempResult);
}
else
{
// use GetWindowLongPtr
result = IntGetWindowLongPtr( hWnd, nIndex);
error = Marshal.GetLastWin32Error();
}
if ((result == IntPtr.Zero) && (error != 0))
{
// To be consistent with out other PInvoke wrappers
// we should "throw" here. But we don't want to
// introduce new "throws" w/o time to follow up on any
// new problems that causes.
Debug.WriteLine("GetWindowLongPtr failed. Error = " + error);
// throw new System.ComponentModel.Win32Exception(error);
}
return result;
}
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical]
internal static Int32 GetWindowLong(HandleRef hWnd, int nIndex )
{
int iResult = 0;
IntPtr result = IntPtr.Zero;
int error = 0;
SetLastError(0); // Win32 GetWindowLong doesn't clear error on success
if (IntPtr.Size == 4)
{
// use GetWindowLong
iResult = IntGetWindowLong(hWnd, nIndex);
error = Marshal.GetLastWin32Error();
result = new IntPtr(iResult);
}
else
{
// use GetWindowLongPtr
result = IntGetWindowLongPtr(hWnd, nIndex);
error = Marshal.GetLastWin32Error();
iResult = NativeMethods.IntPtrToInt32(result);
}
if ((result == IntPtr.Zero) && (error != 0))
{
// To be consistent with out other PInvoke wrappers
// we should "throw" here. But we don't want to
// introduce new "throws" w/o time to follow up on any
// new problems that causes.
Debug.WriteLine("GetWindowLong failed. Error = " + error);
// throw new System.ComponentModel.Win32Exception(error);
}
return iResult;
}
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="GetWindowLongPtr", CharSet=CharSet.Auto, SetLastError=true)]
public static extern NativeMethods.WndProc IntGetWindowLongWndProcPtr(HandleRef hWnd, int nIndex);
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="GetWindowLong", CharSet=CharSet.Auto, SetLastError=true)]
public static extern NativeMethods.WndProc IntGetWindowLongWndProc(HandleRef hWnd, int nIndex);
///
/// Critical: Call critical method IntGetWindowLongWndProc and IntGetWindowLongWndProcPtr that causes unmanaged code elevation.
/// LinkDemand on Win32Exception constructor but throwing an exception isn't unsafe
///
[SecurityCritical]
internal static NativeMethods.WndProc GetWindowLongWndProc(HandleRef hWnd)
{
NativeMethods.WndProc returnValue = null;
int error = 0;
SetLastError(0); // Win32 GetWindowLong doesn't clear error on success
if (IntPtr.Size == 4)
{
// use getWindowLong
returnValue = IntGetWindowLongWndProc (hWnd, NativeMethods.GWL_WNDPROC);
error = Marshal.GetLastWin32Error();
}
else
{
// use GetWindowLongPtr
returnValue = IntGetWindowLongWndProcPtr (hWnd, NativeMethods.GWL_WNDPROC);
error = Marshal.GetLastWin32Error();
}
if (null == returnValue)
{
throw new Win32Exception(error);
}
return returnValue;
}
///
/// Critical - Unmanaged code permission is supressed.
///
[SuppressUnmanagedCodeSecurity, SecurityCritical]
[DllImport("winmm.dll", CharSet = CharSet.Unicode)]
internal static extern bool PlaySound([In]string soundName, IntPtr hmod, SafeNativeMethods.PlaySoundFlags soundFlags);
internal const uint
INTERNET_COOKIE_THIRD_PARTY = 0x10,
INTERNET_COOKIE_EVALUATE_P3P = 0x40,
INTERNET_COOKIE_IS_RESTRICTED = 0x200,
COOKIE_STATE_REJECT = 5;
//!!! CAUTION
// PresentationHost intercepts calls to InternetGetCookieEx & InternetSetCookieEx and delegates them
// to the browser. It doesn't do this for InternetGetCookie & InternetSetCookie.
// See also Application.Get/SetCookie().
//!!!
///
/// SecurityCritical - calls unmanaged code.
///
[DllImport(ExternDll.Wininet, SetLastError=true, ExactSpelling=true, EntryPoint="InternetGetCookieExW", CharSet=CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity, SecurityCritical]
internal static extern bool InternetGetCookieEx([In]string Url, [In]string cookieName,
[Out] StringBuilder cookieData, [In, Out] ref UInt32 pchCookieData, uint flags, IntPtr reserved);
///
/// SecurityCritical - calls unmanaged code.
///
[DllImport(ExternDll.Wininet, SetLastError = true, ExactSpelling = true, EntryPoint = "InternetSetCookieExW", CharSet = CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity]
[SecurityCritical]
internal static extern uint InternetSetCookieEx([In]string Url, [In]string CookieName, [In]string cookieData, uint flags, [In] string p3pHeader);
#if DRT_NATIVEMETHODS
[DllImport(ExternDll.User32, ExactSpelling = true, EntryPoint = "mouse_event", CharSet = CharSet.Auto)]
internal static extern void Mouse_event(int flags, int dx, int dy, int dwData, IntPtr extrainfo);
#endif
/////////////////////////////
// needed by Framework
///
/// Critical - calls unmanaged code
///
[DllImport(ExternDll.Kernel32, ExactSpelling = true, CharSet = CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity]
[SecurityCritical]
internal static extern int GetLocaleInfoW(int locale, int type, string data, int dataSize);
///
/// Critical - calls unmanaged code
///
[DllImport(ExternDll.Kernel32, ExactSpelling = true, SetLastError = true)]
[SuppressUnmanagedCodeSecurity]
[SecurityCritical]
internal static extern int FindNLSString(int locale, uint flags, [MarshalAs(UnmanagedType.LPWStr)]string sourceString, int sourceCount, [MarshalAs(UnmanagedType.LPWStr)]string findString, int findCount, out int found);
//[DllImport(ExternDll.Psapi, SetLastError = true, CharSet = CharSet.Auto, BestFitMapping = false)]
//public static extern int GetModuleFileNameEx(IntPtr hProcess, IntPtr hModule, StringBuilder buffer, int length);
//
// OpenProcess
//
public const int PROCESS_VM_READ = 0x0010;
public const int PROCESS_QUERY_INFORMATION = 0x0400;
//[DllImport(ExternDll.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
//public static extern IntPtr OpenProcess(int dwDesiredAccess, bool fInherit, int dwProcessId);
[DllImport(ExternDll.User32, EntryPoint = "SetWindowText", CharSet = CharSet.Auto, SetLastError = true, BestFitMapping = false)]
private static extern bool IntSetWindowText(HandleRef hWnd, string text);
///
/// Critical: LinkDemand on Win32Exception constructor
/// TreatAsSafe: Throwing an exception isn't unsafe
/// Note: If a SupressUnmanagedCodeSecurity attribute is ever added to IntSetWindowText, we'd need to be Critical
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void SetWindowText(HandleRef hWnd, string text)
{
if (IntSetWindowText(hWnd, text) == false)
{
throw new Win32Exception();
}
}
///
/// Critical: This code calls into unmanaged code
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint = "GetIconInfo", CharSet = CharSet.Auto, SetLastError = true)]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
private static extern bool GetIconInfoImpl(HandleRef hIcon, [Out] ICONINFO_IMPL piconinfo);
[StructLayout(LayoutKind.Sequential)]
internal class ICONINFO_IMPL
{
public bool fIcon = false;
public int xHotspot = 0;
public int yHotspot = 0;
public IntPtr hbmMask = IntPtr.Zero;
public IntPtr hbmColor = IntPtr.Zero;
}
// FOR
[SecurityCritical]
internal static void GetIconInfo(HandleRef hIcon, out NativeMethods.ICONINFO piconinfo)
{
bool success = false;
int error = 0;
piconinfo = new NativeMethods.ICONINFO();
ICONINFO_IMPL iconInfoImpl = new ICONINFO_IMPL();
RuntimeHelpers.PrepareConstrainedRegions(); // Mark the following as special
try
{
// Intentionally empty
}
finally
{
// This block won't be interrupted by certain runtime induced failures or thread abort
success = GetIconInfoImpl(hIcon, iconInfoImpl);
error = Marshal.GetLastWin32Error();
if (success)
{
piconinfo.hbmMask = new NativeMethods.BitmapHandle(iconInfoImpl.hbmMask, true /*own*/);
piconinfo.hbmColor = new NativeMethods.BitmapHandle(iconInfoImpl.hbmColor, true /*own*/);
piconinfo.fIcon = iconInfoImpl.fIcon;
piconinfo.xHotspot = iconInfoImpl.xHotspot;
piconinfo.yHotspot = iconInfoImpl.yHotspot;
}
}
if(!success)
{
Debug.WriteLine("GetIconInfo failed. Error = " + error);
throw new Win32Exception();
}
}
#if never
[DllImport(ExternDll.User32,
#if WIN64
EntryPoint="GetClassLongPtr",
#endif
CharSet = CharSet.Auto, SetLastError = true)
]
internal static extern UInt32 GetClassLong(IntPtr hwnd, int nIndex);
#endif
[DllImport(ExternDll.User32, EntryPoint = "GetWindowPlacement", ExactSpelling = true, CharSet = CharSet.Auto, SetLastError = true)]
private static extern bool IntGetWindowPlacement(HandleRef hWnd, ref NativeMethods.WINDOWPLACEMENT placement);
// note: this method exists in UnsafeNativeMethodsCLR.cs, but that method does not have the if/throw implemntation
///
/// Critical: LinkDemand on Win32Exception constructor
/// TreatAsSafe: Throwing an exception isn't unsafe
/// Note: If a SupressUnmanagedCodeSecurity attribute is ever added to IntGetWindowPlacement, we'd need to be Critical
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void GetWindowPlacement(HandleRef hWnd, ref NativeMethods.WINDOWPLACEMENT placement)
{
if (IntGetWindowPlacement(hWnd, ref placement) == false)
{
throw new Win32Exception();
}
}
[DllImport(ExternDll.User32, EntryPoint = "SetWindowPlacement", ExactSpelling = true, CharSet = CharSet.Auto, SetLastError = true)]
private static extern bool IntSetWindowPlacement(HandleRef hWnd, [In] ref NativeMethods.WINDOWPLACEMENT placement);
// note: this method appears in UnsafeNativeMethodsCLR.cs but does not have the if/throw block
///
/// Critical: LinkDemand on Win32Exception constructor
/// Note: If a SupressUnmanagedCodeSecurity attribute is ever added to IntSetWindowPlacement, we'd need to be Critical
/// TreatAsSafe: Throwing an exception isn't unsafe
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void SetWindowPlacement(HandleRef hWnd, [In] ref NativeMethods.WINDOWPLACEMENT placement)
{
if (IntSetWindowPlacement(hWnd, ref placement) == false)
{
throw new Win32Exception();
}
}
//[DllImport("secur32.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
//internal static extern bool GetUserNameExW(
// [In] EXTENDED_NAME_FORMAT nameFormat,
// [MarshalAs(UnmanagedType.LPWStr)] StringBuilder lpNameBuffer,
// [In, Out] ref ulong nSize);
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = CharSet.Auto, BestFitMapping = false)]
internal static extern bool SystemParametersInfo(int nAction, int nParam, [In, Out] NativeMethods.ANIMATIONINFO anim, int nUpdate);
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern bool SystemParametersInfo(int nAction, int nParam, [In, Out] NativeMethods.ICONMETRICS metrics, int nUpdate);
//---------------------------------------------------------------------------
// SetWindowThemeAttribute()
// - set attributes to control how themes are applied to
// windows.
//
// hwnd - the handle of the window (cannot be NULL)
//
// eAttribute - one of the following:
//
// WTA_NONCLIENT:
// pvAttribute must be a WINDOWTHEMEATTRIBUTE pointer with a valid WTNCA flag
// the default is all flags set to 0
//
// pvAttribute - pointer to data relevant to property being set size
// is cbAttribute see each property for details.
//
// cbAttribute - size in bytes of the data pointed to by pvAttribute
//
//---------------------------------------------------------------------------
#if WCP_SYSTEM_THEMES_ENABLED
[DllImport(ExternDll.Uxtheme, CharSet = CharSet.Unicode)]
public static extern uint SetWindowThemeAttribute(HandleRef hwnd, NativeMethods.WINDOWTHEMEATTRIBUTETYPE eAttribute, [In, MarshalAs(UnmanagedType.LPStruct)] NativeMethods.WTA_OPTIONS pvAttribute, int cbAttribute);
public static uint SetWindowThemeAttribute(HandleRef hwnd, NativeMethods.WINDOWTHEMEATTRIBUTETYPE eAttribute, NativeMethods.WTA_OPTIONS pvAttribute)
{
return SetWindowThemeAttribute(hwnd, eAttribute, pvAttribute, Marshal.SizeOf(typeof(NativeMethods.WTA_OPTIONS)));
}
#endif
///
///
///
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern bool SetEvent(IntPtr hEvent);
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, SetLastError = true, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern int SetEvent([In] SafeWaitHandle hHandle);
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, SetLastError = true, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern int WaitForSingleObject([In] SafeWaitHandle hHandle, [In] int dwMilliseconds);
#if never
//"STDAPI GetCORSystemDirectory(LPWSTR pbuffer, DWORD cchBuffer, DWORD* dwLength);"
[System.Runtime.InteropServices.DllImport("mscoree.dll",
CharSet = System.Runtime.InteropServices.CharSet.Unicode,
ExactSpelling = true,
SetLastError = false,
PreserveSig = false)]
//since PreserveSig is false, it will return number of bytes filled in sb on success and throw on fail
internal static extern int GetCORSystemDirectory(System.Text.StringBuilder sb, int sbSize);
#endif
//[DllImport(ExternDll.Kernel32, SetLastError = true)]
//internal static extern int GetFileSize(SafeFileHandle hFile, ref int lpFileSizeHigh);
//////////////////////////////////////
// Needed by BASE
#if BASE_NATIVEMETHODS
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, ExactSpelling = true, CharSet = CharSet.Auto, SetLastError = true)]
internal static extern int GetMouseMovePointsEx(
uint cbSize,
[In] ref NativeMethods.MOUSEMOVEPOINT pointsIn,
[Out] NativeMethods.MOUSEMOVEPOINT[] pointsBufferOut,
int nBufPoints,
uint resolution
);
[StructLayout(LayoutKind.Explicit)]
internal unsafe struct ULARGE_INTEGER
{
[FieldOffset(0)]
internal uint LowPart;
[FieldOffset(4)]
internal uint HighPart;
[FieldOffset(0)]
internal ulong QuadPart;
}
[StructLayout(LayoutKind.Explicit)]
internal unsafe struct LARGE_INTEGER
{
[FieldOffset(0)]
internal int LowPart;
[FieldOffset(4)]
internal int HighPart;
[FieldOffset(0)]
internal long QuadPart;
}
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", SetLastError = true)]
internal static extern bool GetFileSizeEx(
SafeFileHandle hFile,
ref LARGE_INTEGER lpFileSize
);
/// Win32 constants
internal static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
/// Win32 constants
internal const int PAGE_NOACCESS = 0x01;
/// Win32 constants
internal const int PAGE_READONLY = 0x02;
/// Win32 constants
internal const int PAGE_READWRITE = 0x04;
/// Win32 constants
internal const int PAGE_WRITECOPY = 0x08;
/// Win32 constants
internal const int PAGE_EXECUTE = 0x10;
/// Win32 constants
internal const int PAGE_EXECUTE_READ = 0x20;
/// Win32 constants
internal const int PAGE_EXECUTE_READWRITE = 0x40;
/// Win32 constants
internal const int PAGE_EXECUTE_WRITECOPY = 0x80;
/// Win32 constants
internal const int PAGE_GUARD = 0x100;
/// Win32 constants
internal const int PAGE_NOCACHE = 0x200;
/// Win32 constants
internal const int PAGE_WRITECOMBINE = 0x400;
/// Win32 constants
internal const int MEM_COMMIT = 0x1000;
/// Win32 constants
internal const int MEM_RESERVE = 0x2000;
/// Win32 constants
internal const int MEM_DECOMMIT = 0x4000;
/// Win32 constants
internal const int MEM_RELEASE = 0x8000;
/// Win32 constants
internal const int MEM_FREE = 0x10000;
/// Win32 constants
internal const int MEM_PRIVATE = 0x20000;
/// Win32 constants
internal const int MEM_MAPPED = 0x40000;
/// Win32 constants
internal const int MEM_RESET = 0x80000;
/// Win32 constants
internal const int MEM_TOP_DOWN = 0x100000;
/// Win32 constants
internal const int MEM_WRITE_WATCH = 0x200000;
/// Win32 constants
internal const int MEM_PHYSICAL = 0x400000;
/// Win32 constants
internal const int MEM_4MB_PAGES = unchecked((int)0x80000000);
/// Win32 constants
internal const int SEC_FILE = 0x800000;
/// Win32 constants
internal const int SEC_IMAGE = 0x1000000;
/// Win32 constants
internal const int SEC_RESERVE = 0x4000000;
/// Win32 constants
internal const int SEC_COMMIT = 0x8000000;
/// Win32 constants
internal const int SEC_NOCACHE = 0x10000000;
/// Win32 constants
internal const int MEM_IMAGE = SEC_IMAGE;
/// Win32 constants
internal const int WRITE_WATCH_FLAG_RESET = 0x01;
/// Win32 constants
internal const int SECTION_ALL_ACCESS =
STANDARD_RIGHTS_REQUIRED |
SECTION_QUERY |
SECTION_MAP_WRITE |
SECTION_MAP_READ |
SECTION_MAP_EXECUTE |
SECTION_EXTEND_SIZE;
/// Win32 constants
internal const int STANDARD_RIGHTS_REQUIRED = 0x000F0000;
/// Win32 constants
internal const int SECTION_QUERY = 0x0001;
/// Win32 constants
internal const int SECTION_MAP_WRITE = 0x0002;
/// Win32 constants
internal const int SECTION_MAP_READ = 0x0004;
/// Win32 constants
internal const int SECTION_MAP_EXECUTE = 0x0008;
/// Win32 constants
internal const int SECTION_EXTEND_SIZE = 0x0010;
/// Win32 constants
internal const int FILE_MAP_COPY = SECTION_QUERY;
/// Win32 constants
internal const int FILE_MAP_WRITE = SECTION_MAP_WRITE;
/// Win32 constants
internal const int FILE_MAP_READ = SECTION_MAP_READ;
/// Win32 constants
internal const int FILE_MAP_ALL_ACCESS = SECTION_ALL_ACCESS;
///
///
///
///
///
///
///
/// Win32 constants
internal const int SDDL_REVISION_1 = 1;
/// Win32 constants
internal const int SDDL_REVISION = SDDL_REVISION_1;
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern SafeFileMappingHandle OpenFileMapping(
int dwDesiredAccess,
bool bInheritHandle,
string lpName
);
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", SetLastError = true)]
internal static extern IntPtr VirtualAlloc(
IntPtr lpAddress,
UIntPtr dwSize,
int flAllocationType,
int flProtect
);
//
// RIT WM_MOUSEQUERY structure for DWM WM_MOUSEQUERY (see HwndMouseInputSource.cs)
//
[StructLayout(LayoutKind.Sequential, Pack = 1)] // For DWM WM_MOUSEQUERY
internal unsafe struct MOUSEQUERY
{
internal UInt32 uMsg;
internal IntPtr wParam;
internal IntPtr lParam;
internal Int32 ptX;
internal Int32 ptY;
internal IntPtr hwnd;
}
///
/// Critical as this code performs an elevation (via SuppressUnmanagedCodeSecurity)
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Ole32, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern int OleIsCurrentClipboard(IComDataObject pDataObj);
[DllImport(ExternDll.Kernel32, ExactSpelling = true, CharSet = CharSet.Auto)]
internal static extern int GetOEMCP();
#if never
[DllImport("user32.dll", CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern int ToUnicode(int nVirtKey, int nScanCode, byte[] keystate, StringBuilder text, int cch, int flags);
#endif
// WinEvent fired when new Avalon UI is created
public const int EventObjectUIFragmentCreate = 0x6FFFFFFF;
//////////////////////////////////
// Needed by FontCache
[DllImport("ntdll.dll")]
internal static extern int RtlNtStatusToDosError(int Status);
internal static bool NtSuccess(int err)
{
return err >= STATUS_SUCCESS;
}
///
/// Critical: LinkDemand on Win32Exception constructor
/// TreatAsSafe: Throwing an exception isn't unsafe
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void NtCheck(int err)
{
if (!NtSuccess(err))
{
int win32error = RtlNtStatusToDosError(err);
throw new System.ComponentModel.Win32Exception(win32error);
}
}
internal const int STATUS_SUCCESS = 0;
internal const int STATUS_TIMEOUT = 0x00000102;
internal const int STATUS_BUFFER_TOO_SMALL = unchecked((int)0xC0000023);
#endif // BASE_NATIVEMETHODS
//
// ETW Tracing native methods
//
///
/// Critical as this code performs an elevation.
///
[SecurityCritical(SecurityCriticalScope.Everything)]
[SuppressUnmanagedCodeSecurity]
internal sealed class EtwTrace
{
// Ensure class cannot be instantiated by making the constructor private
private EtwTrace() { }
internal unsafe delegate uint EtwProc(uint requestCode, System.IntPtr requestContext, System.IntPtr bufferSize, byte* buffer);
//
// Structures
//
[StructLayout(LayoutKind.Sequential)]
internal struct CSTRACE_GUID_REGISTRATION
{
internal unsafe System.Guid* Guid;
internal uint RegHandle;
}
[StructLayout(LayoutKind.Sequential)]
internal struct TraceGuidRegistration
{
internal unsafe System.Guid* Guid;
internal unsafe void* RegHandle;
}
//
// Function Signatures
//
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "GetTraceEnableFlags", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern int GetTraceEnableFlags(ulong traceHandle);
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "GetTraceEnableLevel", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern byte GetTraceEnableLevel(ulong traceHandle);
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "RegisterTraceGuidsW", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern unsafe uint RegisterTraceGuids([In]EtwProc cbFunc, [In]void* context, [In] ref System.Guid controlGuid, [In] uint guidCount, ref TraceGuidRegistration guidReg, [In]string mofImagePath, [In] string mofResourceName, [Out] out ulong regHandle);
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "UnregisterTraceGuids", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern int UnregisterTraceGuids(ulong regHandle);
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "TraceEvent", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern unsafe uint TraceEvent(ulong traceHandle, char* header);
}
//
// COM Helper Methods
//
///
/// Critical: Satisfies a LinkDemand on releasecom call.
///
[SecurityCritical]
internal static int SafeReleaseComObject(object o)
{
int refCount = 0;
// Validate
if (o != null)
{
if (Marshal.IsComObject(o))
{
refCount = Marshal.ReleaseComObject(o);
}
}
return refCount;
}
#if WINDOWS_BASE
///
/// Critical as this code performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(Microsoft.Internal.DllImport.Wininet, EntryPoint = "GetUrlCacheConfigInfoW", SetLastError=true)]
internal static extern bool GetUrlCacheConfigInfo(
ref NativeMethods.InternetCacheConfigInfo pInternetCacheConfigInfo,
ref UInt32 cbCacheConfigInfo,
UInt32 /* DWORD */ fieldControl
);
#endif
///
/// Critical: takes an hwnd, calls unmanaged code
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport("WtsApi32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool WTSRegisterSessionNotification(IntPtr hwnd, uint dwFlags);
///
/// Critical: takes an hwnd, calls unmanaged code
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport("WtsApi32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool WTSUnRegisterSessionNotification(IntPtr hwnd);
[SecurityCritical]
[DllImport(ExternDll.Kernel32, SetLastError = true)]
public static extern IntPtr GetCurrentProcess();
public const int DUPLICATE_CLOSE_SOURCE = 1;
public const int DUPLICATE_SAME_ACCESS = 2;
[SecurityCritical]
[DllImport(ExternDll.Kernel32, SetLastError = true)]
public static extern bool DuplicateHandle(
IntPtr hSourceProcess,
SafeWaitHandle hSourceHandle,
IntPtr hTargetProcessHandle,
out IntPtr hTargetHandle,
uint dwDesiredAccess,
bool fInheritHandle,
uint dwOptions
);
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
using System.Threading;
using System.ComponentModel;
using System.Diagnostics;
namespace MS.Win32
{
using Accessibility;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using System;
using System.Security.Permissions;
using System.Collections;
using System.IO;
using System.Text;
using System.Security;
using Microsoft.Win32.SafeHandles;
#if WINDOWS_BASE
using MS.Internal.WindowsBase;
#elif PRESENTATION_CORE
using MS.Internal.PresentationCore;
#elif PRESENTATIONFRAMEWORK
using MS.Internal.PresentationFramework;
#elif DRT
using MS.Internal.Drt;
#else
#error Attempt to use FriendAccessAllowedAttribute from an unknown assembly.
using MS.Internal.YourAssemblyName;
#endif
using IComDataObject = System.Runtime.InteropServices.ComTypes.IDataObject;
//[SuppressUnmanagedCodeSecurity()]
[FriendAccessAllowed]
internal partial class UnsafeNativeMethods
{
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", CharSet=CharSet.Auto, SetLastError=true, EntryPoint="GetTempFileName")]
internal static extern uint _GetTempFileName(string tmpPath, string prefix, uint uniqueIdOrZero, StringBuilder tmpFileName);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical]
internal static uint GetTempFileName(string tmpPath, string prefix, uint uniqueIdOrZero, StringBuilder tmpFileName)
{
uint result = _GetTempFileName(tmpPath, prefix, uniqueIdOrZero, tmpFileName);
if (result == 0)
{
throw new Win32Exception();
}
return result;
}
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.NaturalLanguage6, PreserveSig = false, EntryPoint = "DllGetClassObject")]
internal static extern void NaturalLanguageDllGetClassObject(ref Guid clsid, ref Guid iid, [MarshalAs(UnmanagedType.Interface)] out object classObject);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Shell32, CharSet = System.Runtime.InteropServices.CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern int ExtractIconEx(
string stExeFileName,
int nIconIndex,
ref NativeMethods.IconHandle phiconLarge,
ref NativeMethods.IconHandle phiconSmall,
int nIcons);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError=true)]
internal static extern NativeMethods.IconHandle CreateIcon(IntPtr hInstance, int nWidth, int nHeight, byte cPlanes, byte cBitsPixel, byte[] lpbANDbits, byte[] lpbXORbits);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, SetLastError = true, CharSet = CharSet.Auto)]
public static extern bool CreateCaret(HandleRef hwnd, NativeMethods.BitmapHandle hbitmap, int width, int height);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, SetLastError = true, CharSet = CharSet.Auto)]
public static extern bool ShowCaret(HandleRef hwnd);
///
/// Critical: This elevates to unmanaged code permission
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern bool ShowWindowAsync(HandleRef hWnd, int nCmdShow);
[DllImport(ExternDll.User32, EntryPoint="LoadImage", CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern NativeMethods.IconHandle LoadImageIcon(IntPtr hinst, string stName, int nType, int cxDesired, int cyDesired, int nFlags);
[DllImport(ExternDll.User32, EntryPoint="LoadImage", CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern NativeMethods.CursorHandle LoadImageCursor(IntPtr hinst, string stName, int nType, int cxDesired, int cyDesired, int nFlags);
// uncomment this if you plan to use LoadImage to load anything other than Icons/Cursors.
/*
[DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern SafeHandle LoadImage(
IntPtr hinst, string stName, int nType, int cxDesired, int cyDesired, int nFlags);
*/
/*
[DllImport(ExternDll.User32, CharSet = System.Runtime.InteropServices.CharSet.Auto, SetLastError = true, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern NativeMethods.IconHandle LoadImage(
IntPtr hinst, string stName, int nType, int cxDesired, int cyDesired, int nFlags);
*/
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Urlmon, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Ansi, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern int ObtainUserAgentString(int dwOption, StringBuilder userAgent, ref int length);
///
/// Critical - performs an elevation.
///
/// Could be a candidate for safe - as the only information disclosed is whether
/// a certain security measure is on or off.
/// Likely this determination could be made by trying certain actions and failing.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport( ExternDll.Urlmon, ExactSpelling=true)]
internal static extern int CoInternetIsFeatureEnabled( int featureEntry , int dwFlags );
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport( ExternDll.Urlmon, ExactSpelling=true)]
internal static extern int CoInternetSetFeatureEnabled( int featureEntry , int dwFlags, bool fEnable );
///
/// Critical - performs an elevation.
///
/// Could be a candidate for safe - as the only information disclosed is whether
/// a certain security measure is on or off.
/// Likely this determination could be made by trying certain actions and failing.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport( ExternDll.Urlmon, ExactSpelling=true)]
internal static extern int CoInternetIsFeatureZoneElevationEnabled(
[MarshalAs(UnmanagedType.LPWStr)] string szFromURL,
[MarshalAs(UnmanagedType.LPWStr)] string szToURL,
UnsafeNativeMethods.IInternetSecurityManager secMgr,
int dwFlags
);
///
/// Critical - call is SUC'ed
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.PresentationHostDll, EntryPoint = "ProcessUnhandledException")]
internal static extern void ProcessUnhandledException_DLL([MarshalAs(UnmanagedType.BStr)] string errMsg);
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport(ExternDll.Kernel32, CharSet=CharSet.Unicode)]
internal static extern bool GetVersionEx([In, Out] NativeMethods.OSVERSIONINFOEX ver);
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity ]
[DllImport( ExternDll.Urlmon, ExactSpelling=true)]
internal static extern int CoInternetCreateSecurityManager(
[MarshalAs(UnmanagedType.Interface)] object pIServiceProvider,
[MarshalAs(UnmanagedType.Interface)] out object ppISecurityManager ,
int dwReserved ) ;
[ComImport, ComVisible(false), Guid("79eac9ee-baf9-11ce-8c82-00aa004ba90b"), System.Runtime.InteropServices.InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface IInternetSecurityManager
{
void SetSecuritySite( NativeMethods.IInternetSecurityMgrSite pSite);
unsafe void GetSecuritySite( /* [out] */ void **ppSite);
///
/// Critical - performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
void MapUrlToZone(
[In, MarshalAs(UnmanagedType.BStr)]
string pwszUrl,
[Out] out int pdwZone,
[In] int dwFlags);
unsafe void GetSecurityId( /* [in] */ string pwszUrl,
/* [size_is][out] */ byte *pbSecurityId,
/* [out][in] */ int *pcbSecurityId,
/* [in] */ int dwReserved);
unsafe void ProcessUrlAction(
/* [in] */ string pwszUrl,
/* [in] */ int dwAction,
/* [size_is][out] */ byte *pPolicy,
/* [in] */ int cbPolicy,
/* [in] */ byte *pContext,
/* [in] */ int cbContext,
/* [in] */ int dwFlags,
/* [in] */ int dwReserved);
unsafe void QueryCustomPolicy(
/* [in] */ string pwszUrl,
/* [in] */ /*REFGUID*/ void *guidKey,
/* [size_is][size_is][out] */ byte **ppPolicy,
/* [out] */ int *pcbPolicy,
/* [in] */ byte *pContext,
/* [in] */ int cbContext,
/* [in] */ int dwReserved);
unsafe void SetZoneMapping( /* [in] */ int dwZone, /* [in] */ string lpszPattern, /* [in] */ int dwFlags);
unsafe void GetZoneMappings( /* [in] */ int dwZone, /* [out] */ /*IEnumString*/ void **ppenumString, /* [in] */ int dwFlags);
}
///
///
///
///
///
/// SecurityCritical: This code returns a critical resource obtained under an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, SetLastError = true, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal unsafe static extern SafeFileHandle CreateFile(
string lpFileName,
uint dwDesiredAccess,
uint dwShareMode,
[In] NativeMethods.SECURITY_ATTRIBUTES lpSecurityAttributes,
int dwCreationDisposition,
int dwFlagsAndAttributes,
IntPtr hTemplateFile);
#endif
#if BASE_NATIVEMETHODS
///
/// Critical: This code is critical because it can be used to
/// pass and force arbitrary data into the tree. We should
/// consider yanking it out all the way
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = CharSet.Auto)]
internal static extern IntPtr GetMessageExtraInfo();
#endif
#if BASE_NATIVEMETHODS
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, EntryPoint="WaitForMultipleObjectsEx", SetLastError = true, CharSet = CharSet.Auto)]
private static extern int IntWaitForMultipleObjectsEx(int nCount, IntPtr[] pHandles, bool bWaitAll, int dwMilliseconds, bool bAlertable);
public const int WAIT_FAILED = unchecked((int)0xFFFFFFFF);
///
/// Critical - calls IntWaitForMultipleObjectsEx (the real PInvoke method)
///
[SecurityCritical]
internal static int WaitForMultipleObjectsEx(int nCount, IntPtr[] pHandles, bool bWaitAll, int dwMilliseconds, bool bAlertable)
{
int result = IntWaitForMultipleObjectsEx(nCount, pHandles, bWaitAll, dwMilliseconds, bAlertable);
if(result == UnsafeNativeMethods.WAIT_FAILED)
{
throw new Win32Exception();
}
return result;
}
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="MsgWaitForMultipleObjectsEx", SetLastError=true, ExactSpelling = true, CharSet = CharSet.Auto)]
private static extern int IntMsgWaitForMultipleObjectsEx(int nCount, IntPtr[] pHandles, int dwMilliseconds, int dwWakeMask, int dwFlags);
///
/// Critical - calls IntMsgWaitForMultipleObjectsEx (the real PInvoke method)
///
[SecurityCritical]
internal static int MsgWaitForMultipleObjectsEx(int nCount, IntPtr[] pHandles, int dwMilliseconds, int dwWakeMask, int dwFlags)
{
int result = IntMsgWaitForMultipleObjectsEx(nCount, pHandles, dwMilliseconds, dwWakeMask, dwFlags);
if(result == -1)
{
throw new Win32Exception();
}
return result;
}
#endif
///
/// Critical: This code elevates to unmanaged code permission
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="RegisterClassEx", CharSet=CharSet.Auto, SetLastError=true, BestFitMapping=false)]
internal static extern UInt16 IntRegisterClassEx(NativeMethods.WNDCLASSEX_D wc_d);
///
/// Critical - calls IntRegisterClassEx (the real PInvoke method)
///
[SecurityCritical]
internal static UInt16 RegisterClassEx(NativeMethods.WNDCLASSEX_D wc_d)
{
UInt16 result = IntRegisterClassEx(wc_d);
if(result == 0)
{
throw new Win32Exception();
}
return result;
}
///
/// Critical: This code elevates to unmanaged code permission
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="UnregisterClass",CharSet = CharSet.Auto, SetLastError = true, BestFitMapping=false)]
internal static extern int IntUnregisterClass(IntPtr atomString /*lpClassName*/ , IntPtr hInstance);
///
/// Critical - calls IntUnregisterClass (the real PInvoke method)
///
[SecurityCritical]
internal static void UnregisterClass(IntPtr atomString /*lpClassName*/ , IntPtr hInstance)
{
int result = IntUnregisterClass(atomString, hInstance);
if (result == 0)
{
throw new Win32Exception();
}
}
// note that this method exists in UnsafeNativeMethodsCLR.cs but with a different signature
// using a HandleRef for the hWnd instead of an IntPtr, and not using an IntPtr for lParam
[DllImport(ExternDll.User32, CharSet = CharSet.Auto)]
internal static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
// note that this method exists in UnsafeNativeMethodsCLR.cs but with a different signature
// using a HandleRef for the hWnd instead of an IntPtr, and not using an IntPtr for lParam
///
/// Critical: This code has the ability to send a message to the wndproc. It exists purely for
/// the secure close scenario. For any other scenario please use the SendMessage call
///
[DllImport(ExternDll.User32,EntryPoint="SendMessage", CharSet = CharSet.Auto)]
[SecurityCritical,SuppressUnmanagedCodeSecurity]
internal static extern IntPtr UnsafeSendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
/*
//
// SendMessage taking a SafeHandle for wParam. Needed by some Win32 messages. e.g. WM_PRINT
//
[DllImport(ExternDll.User32, CharSet = CharSet.Auto)]
internal static extern IntPtr SendMessage(HandleRef hWnd, int msg, SafeHandle wParam, IntPtr lParam);
*/
// private DllImport - that takes an IconHandle.
///
/// Critical: This code causes elevation to unmanaged code
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = CharSet.Auto, SetLastError = true)]
internal static extern IntPtr SendMessage( HandleRef hWnd, int msg, IntPtr wParam, NativeMethods.IconHandle iconHandle );
///
/// Critical: This code causes elevation to unmanaged code
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, ExactSpelling = true, CharSet = CharSet.Auto)]
internal static extern void SetLastError(int dwErrorCode);
#if BASE_NATIVEMETHODS || CORE_NATIVEMETHODS || FRAMEWORK_NATIVEMETHODS
///
/// Win32 GetLayeredWindowAttributes.
///
///
///
///
///
///
/// Critical: This code calls into unmanaged code
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("user32.dll")]
public static extern bool GetLayeredWindowAttributes(
HandleRef hwnd, IntPtr pcrKey, IntPtr pbAlpha, IntPtr pdwFlags);
internal sealed class SafeFileMappingHandle : SafeHandleZeroOrMinusOneIsInvalid
{
///
/// Critical: base class enforces link demand and inheritance demand
/// TreatAsSafe: Creating this is ok, accessing the pointer is bad
///
[SecurityCritical,SecurityTreatAsSafe]
internal SafeFileMappingHandle() : base(true)
{
}
///
/// Critical: base class enforces link demand and inheritance demand
/// TreatAsSafe: This call is safe
///
public override bool IsInvalid
{
[SecurityCritical,SecurityTreatAsSafe]
get
{
return handle == IntPtr.Zero;
}
}
///
/// Critical - as this function does an elevation to close a handle.
/// TreatAsSafe - as this can at best be used to destabilize one's own app.
///
[SecurityCritical, SecurityTreatAsSafe]
protected override bool ReleaseHandle()
{
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
try
{
return CloseHandleNoThrow(new HandleRef(null, handle));
}
finally
{
SecurityPermission.RevertAssert();
}
}
}
internal sealed class SafeViewOfFileHandle : SafeHandleZeroOrMinusOneIsInvalid
{
///
/// Critical: This code calls into a base class which link demands for unmanaged code
/// TreatAsSafe:Creating this is ok it is acessing the pointers in it that can be risky
///
[SecurityCritical,SecurityTreatAsSafe]
internal SafeViewOfFileHandle() : base(true) { }
///
/// Critical: This code accesses an unsafe object (pointer) and returns it as a pointer
///
internal unsafe void* Memory
{
[SecurityCritical]
get
{
Debug.Assert(handle != IntPtr.Zero);
return (void*)handle;
}
}
///
/// Critical - as this function does an elevation to close a handle.
/// TreatAsSafe - as this can at best be used to destabilize one's own app.
///
[SecurityCritical, SecurityTreatAsSafe]
override protected bool ReleaseHandle()
{
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
try
{
return UnsafeNativeMethods.UnmapViewOfFileNoThrow(new HandleRef(null, handle));
}
finally
{
SecurityPermission.RevertAssert();
}
}
}
///
/// SecurityCritical: This code returns critical resource obtained under an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal unsafe static extern SafeFileMappingHandle CreateFileMapping(SafeFileHandle hFile, NativeMethods.SECURITY_ATTRIBUTES lpFileMappingAttributes, int flProtect, uint dwMaximumSizeHigh, uint dwMaximumSizeLow, string lpName);
///
/// SecurityCritical: This code returns a critical resource obtained under an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, SetLastError = true)]
internal static extern SafeViewOfFileHandle MapViewOfFileEx(SafeFileMappingHandle hFileMappingObject, int dwDesiredAccess, int dwFileOffsetHigh, int dwFileOffsetLow, IntPtr dwNumberOfBytesToMap, IntPtr lpBaseAddress);
#endif // BASE_NATIVEMETHODS
[DllImport(ExternDll.User32, EntryPoint="SetWindowLongPtr", CharSet=CharSet.Auto)]
private static extern IntPtr IntSetWindowLongPtr(HandleRef hWnd, int nIndex, IntPtr dwNewLong);
[DllImport(ExternDll.User32, EntryPoint="SetWindowLong", CharSet=CharSet.Auto)]
private static extern Int32 IntSetWindowLong(HandleRef hWnd, int nIndex, Int32 dwNewLong);
///
/// Critical: LinkDemand on Marshal.GetLastWin32Error
/// TreatAsSafe: Getting an error code isn't unsafe
/// Note: If a SupressUnmanagedCodeSecurity attribute is ever added to IntsetWindowLong(Ptr), we'd need to be Critical
///
[SecurityCritical, SecurityTreatAsSafe]
internal static IntPtr SetWindowLong(HandleRef hWnd, int nIndex, IntPtr dwNewLong)
{
IntPtr result = IntPtr.Zero;
if (IntPtr.Size == 4)
{
// use SetWindowLong
Int32 tempResult = IntSetWindowLong(hWnd, nIndex, NativeMethods.IntPtrToInt32(dwNewLong));
result = new IntPtr(tempResult);
}
else
{
// use SetWindowLongPtr
result = IntSetWindowLongPtr(hWnd, nIndex, dwNewLong);
}
return result;
}
///
/// Critical - link demands for UnmanagedCode permissions
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="SetWindowLongPtr", CharSet=CharSet.Auto)]
private static extern IntPtr IntCriticalSetWindowLongPtr(HandleRef hWnd, int nIndex, IntPtr dwNewLong);
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="SetWindowLong", CharSet=CharSet.Auto)]
private static extern Int32 IntCriticalSetWindowLong(HandleRef hWnd, int nIndex, Int32 dwNewLong);
///
/// Critical - it calls IntCriticalSetWindowLongPtr() / IntCriticalSetWindowLong(), which are Critical
///
[SecurityCritical]
internal static IntPtr CriticalSetWindowLong(HandleRef hWnd, int nIndex, IntPtr dwNewLong)
{
IntPtr result = IntPtr.Zero;
if (IntPtr.Size == 4)
{
// use SetWindowLong
Int32 tempResult = IntCriticalSetWindowLong(hWnd, nIndex, NativeMethods.IntPtrToInt32(dwNewLong));
result = new IntPtr(tempResult);
}
else
{
// use SetWindowLongPtr
result = IntCriticalSetWindowLongPtr(hWnd, nIndex, dwNewLong);
}
return result;
}
///
/// Critical - This link demands for UnmanagedCode permissions
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="SetWindowLongPtr", CharSet=CharSet.Auto, SetLastError=true)]
private static extern IntPtr IntCriticalSetWindowLongPtr(HandleRef hWnd, int nIndex, NativeMethods.WndProc dwNewLong);
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="SetWindowLong", CharSet=CharSet.Auto, SetLastError=true)]
private static extern Int32 IntCriticalSetWindowLong(HandleRef hWnd, int nIndex, NativeMethods.WndProc dwNewLong);
///
/// Critical - This calls SetLatError() and IntCriticalSetWindowLongPtr() / IntCriticalSetWindowLong(), which are Critical
///
[SecurityCritical]
internal static IntPtr CriticalSetWindowLong(HandleRef hWnd, int nIndex, NativeMethods.WndProc dwNewLong)
{
int errorCode;
IntPtr retVal;
SetLastError(0); // Win32 SetWindowLong doesn't clear error on success
if (IntPtr.Size == 4)
{
Int32 tempRetVal = IntCriticalSetWindowLong(hWnd, nIndex, dwNewLong);
errorCode = Marshal.GetLastWin32Error();
retVal = new IntPtr(tempRetVal);
}
else
{
retVal = IntCriticalSetWindowLongPtr(hWnd, nIndex, dwNewLong);
errorCode = Marshal.GetLastWin32Error();
}
if (retVal == IntPtr.Zero)
{
if (errorCode != 0)
{
throw new System.ComponentModel.Win32Exception(errorCode);
}
}
return retVal;
}
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="GetWindowLongPtr", CharSet=CharSet.Auto, SetLastError=true)]
private static extern IntPtr IntGetWindowLongPtr(HandleRef hWnd, int nIndex);
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="GetWindowLong", CharSet=CharSet.Auto, SetLastError=true)]
private static extern Int32 IntGetWindowLong(HandleRef hWnd, int nIndex );
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical]
internal static IntPtr GetWindowLongPtr(HandleRef hWnd, int nIndex )
{
IntPtr result = IntPtr.Zero;
int error = 0;
SetLastError(0); // Win32 GetWindowLong doesn't clear error on success
if (IntPtr.Size == 4)
{
// use getWindowLong
Int32 tempResult = IntGetWindowLong(hWnd, nIndex);
error = Marshal.GetLastWin32Error();
result = new IntPtr(tempResult);
}
else
{
// use GetWindowLongPtr
result = IntGetWindowLongPtr( hWnd, nIndex);
error = Marshal.GetLastWin32Error();
}
if ((result == IntPtr.Zero) && (error != 0))
{
// To be consistent with out other PInvoke wrappers
// we should "throw" here. But we don't want to
// introduce new "throws" w/o time to follow up on any
// new problems that causes.
Debug.WriteLine("GetWindowLongPtr failed. Error = " + error);
// throw new System.ComponentModel.Win32Exception(error);
}
return result;
}
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical]
internal static Int32 GetWindowLong(HandleRef hWnd, int nIndex )
{
int iResult = 0;
IntPtr result = IntPtr.Zero;
int error = 0;
SetLastError(0); // Win32 GetWindowLong doesn't clear error on success
if (IntPtr.Size == 4)
{
// use GetWindowLong
iResult = IntGetWindowLong(hWnd, nIndex);
error = Marshal.GetLastWin32Error();
result = new IntPtr(iResult);
}
else
{
// use GetWindowLongPtr
result = IntGetWindowLongPtr(hWnd, nIndex);
error = Marshal.GetLastWin32Error();
iResult = NativeMethods.IntPtrToInt32(result);
}
if ((result == IntPtr.Zero) && (error != 0))
{
// To be consistent with out other PInvoke wrappers
// we should "throw" here. But we don't want to
// introduce new "throws" w/o time to follow up on any
// new problems that causes.
Debug.WriteLine("GetWindowLong failed. Error = " + error);
// throw new System.ComponentModel.Win32Exception(error);
}
return iResult;
}
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="GetWindowLongPtr", CharSet=CharSet.Auto, SetLastError=true)]
public static extern NativeMethods.WndProc IntGetWindowLongWndProcPtr(HandleRef hWnd, int nIndex);
///
/// SecurityCritical: This code happens to return a critical resource and causes unmanaged code elevation
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint="GetWindowLong", CharSet=CharSet.Auto, SetLastError=true)]
public static extern NativeMethods.WndProc IntGetWindowLongWndProc(HandleRef hWnd, int nIndex);
///
/// Critical: Call critical method IntGetWindowLongWndProc and IntGetWindowLongWndProcPtr that causes unmanaged code elevation.
/// LinkDemand on Win32Exception constructor but throwing an exception isn't unsafe
///
[SecurityCritical]
internal static NativeMethods.WndProc GetWindowLongWndProc(HandleRef hWnd)
{
NativeMethods.WndProc returnValue = null;
int error = 0;
SetLastError(0); // Win32 GetWindowLong doesn't clear error on success
if (IntPtr.Size == 4)
{
// use getWindowLong
returnValue = IntGetWindowLongWndProc (hWnd, NativeMethods.GWL_WNDPROC);
error = Marshal.GetLastWin32Error();
}
else
{
// use GetWindowLongPtr
returnValue = IntGetWindowLongWndProcPtr (hWnd, NativeMethods.GWL_WNDPROC);
error = Marshal.GetLastWin32Error();
}
if (null == returnValue)
{
throw new Win32Exception(error);
}
return returnValue;
}
///
/// Critical - Unmanaged code permission is supressed.
///
[SuppressUnmanagedCodeSecurity, SecurityCritical]
[DllImport("winmm.dll", CharSet = CharSet.Unicode)]
internal static extern bool PlaySound([In]string soundName, IntPtr hmod, SafeNativeMethods.PlaySoundFlags soundFlags);
internal const uint
INTERNET_COOKIE_THIRD_PARTY = 0x10,
INTERNET_COOKIE_EVALUATE_P3P = 0x40,
INTERNET_COOKIE_IS_RESTRICTED = 0x200,
COOKIE_STATE_REJECT = 5;
//!!! CAUTION
// PresentationHost intercepts calls to InternetGetCookieEx & InternetSetCookieEx and delegates them
// to the browser. It doesn't do this for InternetGetCookie & InternetSetCookie.
// See also Application.Get/SetCookie().
//!!!
///
/// SecurityCritical - calls unmanaged code.
///
[DllImport(ExternDll.Wininet, SetLastError=true, ExactSpelling=true, EntryPoint="InternetGetCookieExW", CharSet=CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity, SecurityCritical]
internal static extern bool InternetGetCookieEx([In]string Url, [In]string cookieName,
[Out] StringBuilder cookieData, [In, Out] ref UInt32 pchCookieData, uint flags, IntPtr reserved);
///
/// SecurityCritical - calls unmanaged code.
///
[DllImport(ExternDll.Wininet, SetLastError = true, ExactSpelling = true, EntryPoint = "InternetSetCookieExW", CharSet = CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity]
[SecurityCritical]
internal static extern uint InternetSetCookieEx([In]string Url, [In]string CookieName, [In]string cookieData, uint flags, [In] string p3pHeader);
#if DRT_NATIVEMETHODS
[DllImport(ExternDll.User32, ExactSpelling = true, EntryPoint = "mouse_event", CharSet = CharSet.Auto)]
internal static extern void Mouse_event(int flags, int dx, int dy, int dwData, IntPtr extrainfo);
#endif
/////////////////////////////
// needed by Framework
///
/// Critical - calls unmanaged code
///
[DllImport(ExternDll.Kernel32, ExactSpelling = true, CharSet = CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity]
[SecurityCritical]
internal static extern int GetLocaleInfoW(int locale, int type, string data, int dataSize);
///
/// Critical - calls unmanaged code
///
[DllImport(ExternDll.Kernel32, ExactSpelling = true, SetLastError = true)]
[SuppressUnmanagedCodeSecurity]
[SecurityCritical]
internal static extern int FindNLSString(int locale, uint flags, [MarshalAs(UnmanagedType.LPWStr)]string sourceString, int sourceCount, [MarshalAs(UnmanagedType.LPWStr)]string findString, int findCount, out int found);
//[DllImport(ExternDll.Psapi, SetLastError = true, CharSet = CharSet.Auto, BestFitMapping = false)]
//public static extern int GetModuleFileNameEx(IntPtr hProcess, IntPtr hModule, StringBuilder buffer, int length);
//
// OpenProcess
//
public const int PROCESS_VM_READ = 0x0010;
public const int PROCESS_QUERY_INFORMATION = 0x0400;
//[DllImport(ExternDll.Kernel32, SetLastError = true, CharSet = CharSet.Auto)]
//public static extern IntPtr OpenProcess(int dwDesiredAccess, bool fInherit, int dwProcessId);
[DllImport(ExternDll.User32, EntryPoint = "SetWindowText", CharSet = CharSet.Auto, SetLastError = true, BestFitMapping = false)]
private static extern bool IntSetWindowText(HandleRef hWnd, string text);
///
/// Critical: LinkDemand on Win32Exception constructor
/// TreatAsSafe: Throwing an exception isn't unsafe
/// Note: If a SupressUnmanagedCodeSecurity attribute is ever added to IntSetWindowText, we'd need to be Critical
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void SetWindowText(HandleRef hWnd, string text)
{
if (IntSetWindowText(hWnd, text) == false)
{
throw new Win32Exception();
}
}
///
/// Critical: This code calls into unmanaged code
///
[SecurityCritical,SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, EntryPoint = "GetIconInfo", CharSet = CharSet.Auto, SetLastError = true)]
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
private static extern bool GetIconInfoImpl(HandleRef hIcon, [Out] ICONINFO_IMPL piconinfo);
[StructLayout(LayoutKind.Sequential)]
internal class ICONINFO_IMPL
{
public bool fIcon = false;
public int xHotspot = 0;
public int yHotspot = 0;
public IntPtr hbmMask = IntPtr.Zero;
public IntPtr hbmColor = IntPtr.Zero;
}
// FOR
[SecurityCritical]
internal static void GetIconInfo(HandleRef hIcon, out NativeMethods.ICONINFO piconinfo)
{
bool success = false;
int error = 0;
piconinfo = new NativeMethods.ICONINFO();
ICONINFO_IMPL iconInfoImpl = new ICONINFO_IMPL();
RuntimeHelpers.PrepareConstrainedRegions(); // Mark the following as special
try
{
// Intentionally empty
}
finally
{
// This block won't be interrupted by certain runtime induced failures or thread abort
success = GetIconInfoImpl(hIcon, iconInfoImpl);
error = Marshal.GetLastWin32Error();
if (success)
{
piconinfo.hbmMask = new NativeMethods.BitmapHandle(iconInfoImpl.hbmMask, true /*own*/);
piconinfo.hbmColor = new NativeMethods.BitmapHandle(iconInfoImpl.hbmColor, true /*own*/);
piconinfo.fIcon = iconInfoImpl.fIcon;
piconinfo.xHotspot = iconInfoImpl.xHotspot;
piconinfo.yHotspot = iconInfoImpl.yHotspot;
}
}
if(!success)
{
Debug.WriteLine("GetIconInfo failed. Error = " + error);
throw new Win32Exception();
}
}
#if never
[DllImport(ExternDll.User32,
#if WIN64
EntryPoint="GetClassLongPtr",
#endif
CharSet = CharSet.Auto, SetLastError = true)
]
internal static extern UInt32 GetClassLong(IntPtr hwnd, int nIndex);
#endif
[DllImport(ExternDll.User32, EntryPoint = "GetWindowPlacement", ExactSpelling = true, CharSet = CharSet.Auto, SetLastError = true)]
private static extern bool IntGetWindowPlacement(HandleRef hWnd, ref NativeMethods.WINDOWPLACEMENT placement);
// note: this method exists in UnsafeNativeMethodsCLR.cs, but that method does not have the if/throw implemntation
///
/// Critical: LinkDemand on Win32Exception constructor
/// TreatAsSafe: Throwing an exception isn't unsafe
/// Note: If a SupressUnmanagedCodeSecurity attribute is ever added to IntGetWindowPlacement, we'd need to be Critical
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void GetWindowPlacement(HandleRef hWnd, ref NativeMethods.WINDOWPLACEMENT placement)
{
if (IntGetWindowPlacement(hWnd, ref placement) == false)
{
throw new Win32Exception();
}
}
[DllImport(ExternDll.User32, EntryPoint = "SetWindowPlacement", ExactSpelling = true, CharSet = CharSet.Auto, SetLastError = true)]
private static extern bool IntSetWindowPlacement(HandleRef hWnd, [In] ref NativeMethods.WINDOWPLACEMENT placement);
// note: this method appears in UnsafeNativeMethodsCLR.cs but does not have the if/throw block
///
/// Critical: LinkDemand on Win32Exception constructor
/// Note: If a SupressUnmanagedCodeSecurity attribute is ever added to IntSetWindowPlacement, we'd need to be Critical
/// TreatAsSafe: Throwing an exception isn't unsafe
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void SetWindowPlacement(HandleRef hWnd, [In] ref NativeMethods.WINDOWPLACEMENT placement)
{
if (IntSetWindowPlacement(hWnd, ref placement) == false)
{
throw new Win32Exception();
}
}
//[DllImport("secur32.dll", CharSet = CharSet.Unicode, SetLastError = true, ExactSpelling = true)]
//internal static extern bool GetUserNameExW(
// [In] EXTENDED_NAME_FORMAT nameFormat,
// [MarshalAs(UnmanagedType.LPWStr)] StringBuilder lpNameBuffer,
// [In, Out] ref ulong nSize);
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = CharSet.Auto, BestFitMapping = false)]
internal static extern bool SystemParametersInfo(int nAction, int nParam, [In, Out] NativeMethods.ANIMATIONINFO anim, int nUpdate);
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern bool SystemParametersInfo(int nAction, int nParam, [In, Out] NativeMethods.ICONMETRICS metrics, int nUpdate);
//---------------------------------------------------------------------------
// SetWindowThemeAttribute()
// - set attributes to control how themes are applied to
// windows.
//
// hwnd - the handle of the window (cannot be NULL)
//
// eAttribute - one of the following:
//
// WTA_NONCLIENT:
// pvAttribute must be a WINDOWTHEMEATTRIBUTE pointer with a valid WTNCA flag
// the default is all flags set to 0
//
// pvAttribute - pointer to data relevant to property being set size
// is cbAttribute see each property for details.
//
// cbAttribute - size in bytes of the data pointed to by pvAttribute
//
//---------------------------------------------------------------------------
#if WCP_SYSTEM_THEMES_ENABLED
[DllImport(ExternDll.Uxtheme, CharSet = CharSet.Unicode)]
public static extern uint SetWindowThemeAttribute(HandleRef hwnd, NativeMethods.WINDOWTHEMEATTRIBUTETYPE eAttribute, [In, MarshalAs(UnmanagedType.LPStruct)] NativeMethods.WTA_OPTIONS pvAttribute, int cbAttribute);
public static uint SetWindowThemeAttribute(HandleRef hwnd, NativeMethods.WINDOWTHEMEATTRIBUTETYPE eAttribute, NativeMethods.WTA_OPTIONS pvAttribute)
{
return SetWindowThemeAttribute(hwnd, eAttribute, pvAttribute, Marshal.SizeOf(typeof(NativeMethods.WTA_OPTIONS)));
}
#endif
///
///
///
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern bool SetEvent(IntPtr hEvent);
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, SetLastError = true, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern int SetEvent([In] SafeWaitHandle hHandle);
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Kernel32, SetLastError = true, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern int WaitForSingleObject([In] SafeWaitHandle hHandle, [In] int dwMilliseconds);
#if never
//"STDAPI GetCORSystemDirectory(LPWSTR pbuffer, DWORD cchBuffer, DWORD* dwLength);"
[System.Runtime.InteropServices.DllImport("mscoree.dll",
CharSet = System.Runtime.InteropServices.CharSet.Unicode,
ExactSpelling = true,
SetLastError = false,
PreserveSig = false)]
//since PreserveSig is false, it will return number of bytes filled in sb on success and throw on fail
internal static extern int GetCORSystemDirectory(System.Text.StringBuilder sb, int sbSize);
#endif
//[DllImport(ExternDll.Kernel32, SetLastError = true)]
//internal static extern int GetFileSize(SafeFileHandle hFile, ref int lpFileSizeHigh);
//////////////////////////////////////
// Needed by BASE
#if BASE_NATIVEMETHODS
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.User32, ExactSpelling = true, CharSet = CharSet.Auto, SetLastError = true)]
internal static extern int GetMouseMovePointsEx(
uint cbSize,
[In] ref NativeMethods.MOUSEMOVEPOINT pointsIn,
[Out] NativeMethods.MOUSEMOVEPOINT[] pointsBufferOut,
int nBufPoints,
uint resolution
);
[StructLayout(LayoutKind.Explicit)]
internal unsafe struct ULARGE_INTEGER
{
[FieldOffset(0)]
internal uint LowPart;
[FieldOffset(4)]
internal uint HighPart;
[FieldOffset(0)]
internal ulong QuadPart;
}
[StructLayout(LayoutKind.Explicit)]
internal unsafe struct LARGE_INTEGER
{
[FieldOffset(0)]
internal int LowPart;
[FieldOffset(4)]
internal int HighPart;
[FieldOffset(0)]
internal long QuadPart;
}
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", SetLastError = true)]
internal static extern bool GetFileSizeEx(
SafeFileHandle hFile,
ref LARGE_INTEGER lpFileSize
);
/// Win32 constants
internal static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
/// Win32 constants
internal const int PAGE_NOACCESS = 0x01;
/// Win32 constants
internal const int PAGE_READONLY = 0x02;
/// Win32 constants
internal const int PAGE_READWRITE = 0x04;
/// Win32 constants
internal const int PAGE_WRITECOPY = 0x08;
/// Win32 constants
internal const int PAGE_EXECUTE = 0x10;
/// Win32 constants
internal const int PAGE_EXECUTE_READ = 0x20;
/// Win32 constants
internal const int PAGE_EXECUTE_READWRITE = 0x40;
/// Win32 constants
internal const int PAGE_EXECUTE_WRITECOPY = 0x80;
/// Win32 constants
internal const int PAGE_GUARD = 0x100;
/// Win32 constants
internal const int PAGE_NOCACHE = 0x200;
/// Win32 constants
internal const int PAGE_WRITECOMBINE = 0x400;
/// Win32 constants
internal const int MEM_COMMIT = 0x1000;
/// Win32 constants
internal const int MEM_RESERVE = 0x2000;
/// Win32 constants
internal const int MEM_DECOMMIT = 0x4000;
/// Win32 constants
internal const int MEM_RELEASE = 0x8000;
/// Win32 constants
internal const int MEM_FREE = 0x10000;
/// Win32 constants
internal const int MEM_PRIVATE = 0x20000;
/// Win32 constants
internal const int MEM_MAPPED = 0x40000;
/// Win32 constants
internal const int MEM_RESET = 0x80000;
/// Win32 constants
internal const int MEM_TOP_DOWN = 0x100000;
/// Win32 constants
internal const int MEM_WRITE_WATCH = 0x200000;
/// Win32 constants
internal const int MEM_PHYSICAL = 0x400000;
/// Win32 constants
internal const int MEM_4MB_PAGES = unchecked((int)0x80000000);
/// Win32 constants
internal const int SEC_FILE = 0x800000;
/// Win32 constants
internal const int SEC_IMAGE = 0x1000000;
/// Win32 constants
internal const int SEC_RESERVE = 0x4000000;
/// Win32 constants
internal const int SEC_COMMIT = 0x8000000;
/// Win32 constants
internal const int SEC_NOCACHE = 0x10000000;
/// Win32 constants
internal const int MEM_IMAGE = SEC_IMAGE;
/// Win32 constants
internal const int WRITE_WATCH_FLAG_RESET = 0x01;
/// Win32 constants
internal const int SECTION_ALL_ACCESS =
STANDARD_RIGHTS_REQUIRED |
SECTION_QUERY |
SECTION_MAP_WRITE |
SECTION_MAP_READ |
SECTION_MAP_EXECUTE |
SECTION_EXTEND_SIZE;
/// Win32 constants
internal const int STANDARD_RIGHTS_REQUIRED = 0x000F0000;
/// Win32 constants
internal const int SECTION_QUERY = 0x0001;
/// Win32 constants
internal const int SECTION_MAP_WRITE = 0x0002;
/// Win32 constants
internal const int SECTION_MAP_READ = 0x0004;
/// Win32 constants
internal const int SECTION_MAP_EXECUTE = 0x0008;
/// Win32 constants
internal const int SECTION_EXTEND_SIZE = 0x0010;
/// Win32 constants
internal const int FILE_MAP_COPY = SECTION_QUERY;
/// Win32 constants
internal const int FILE_MAP_WRITE = SECTION_MAP_WRITE;
/// Win32 constants
internal const int FILE_MAP_READ = SECTION_MAP_READ;
/// Win32 constants
internal const int FILE_MAP_ALL_ACCESS = SECTION_ALL_ACCESS;
///
///
///
///
///
///
///
/// Win32 constants
internal const int SDDL_REVISION_1 = 1;
/// Win32 constants
internal const int SDDL_REVISION = SDDL_REVISION_1;
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern SafeFileMappingHandle OpenFileMapping(
int dwDesiredAccess,
bool bInheritHandle,
string lpName
);
///
/// Critical as this code performs an elevation.
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport("kernel32.dll", SetLastError = true)]
internal static extern IntPtr VirtualAlloc(
IntPtr lpAddress,
UIntPtr dwSize,
int flAllocationType,
int flProtect
);
//
// RIT WM_MOUSEQUERY structure for DWM WM_MOUSEQUERY (see HwndMouseInputSource.cs)
//
[StructLayout(LayoutKind.Sequential, Pack = 1)] // For DWM WM_MOUSEQUERY
internal unsafe struct MOUSEQUERY
{
internal UInt32 uMsg;
internal IntPtr wParam;
internal IntPtr lParam;
internal Int32 ptX;
internal Int32 ptY;
internal IntPtr hwnd;
}
///
/// Critical as this code performs an elevation (via SuppressUnmanagedCodeSecurity)
///
[SecurityCritical]
[SuppressUnmanagedCodeSecurity]
[DllImport(ExternDll.Ole32, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern int OleIsCurrentClipboard(IComDataObject pDataObj);
[DllImport(ExternDll.Kernel32, ExactSpelling = true, CharSet = CharSet.Auto)]
internal static extern int GetOEMCP();
#if never
[DllImport("user32.dll", CharSet = CharSet.Auto, BestFitMapping = false, ThrowOnUnmappableChar = true)]
internal static extern int ToUnicode(int nVirtKey, int nScanCode, byte[] keystate, StringBuilder text, int cch, int flags);
#endif
// WinEvent fired when new Avalon UI is created
public const int EventObjectUIFragmentCreate = 0x6FFFFFFF;
//////////////////////////////////
// Needed by FontCache
[DllImport("ntdll.dll")]
internal static extern int RtlNtStatusToDosError(int Status);
internal static bool NtSuccess(int err)
{
return err >= STATUS_SUCCESS;
}
///
/// Critical: LinkDemand on Win32Exception constructor
/// TreatAsSafe: Throwing an exception isn't unsafe
///
[SecurityCritical, SecurityTreatAsSafe]
internal static void NtCheck(int err)
{
if (!NtSuccess(err))
{
int win32error = RtlNtStatusToDosError(err);
throw new System.ComponentModel.Win32Exception(win32error);
}
}
internal const int STATUS_SUCCESS = 0;
internal const int STATUS_TIMEOUT = 0x00000102;
internal const int STATUS_BUFFER_TOO_SMALL = unchecked((int)0xC0000023);
#endif // BASE_NATIVEMETHODS
//
// ETW Tracing native methods
//
///
/// Critical as this code performs an elevation.
///
[SecurityCritical(SecurityCriticalScope.Everything)]
[SuppressUnmanagedCodeSecurity]
internal sealed class EtwTrace
{
// Ensure class cannot be instantiated by making the constructor private
private EtwTrace() { }
internal unsafe delegate uint EtwProc(uint requestCode, System.IntPtr requestContext, System.IntPtr bufferSize, byte* buffer);
//
// Structures
//
[StructLayout(LayoutKind.Sequential)]
internal struct CSTRACE_GUID_REGISTRATION
{
internal unsafe System.Guid* Guid;
internal uint RegHandle;
}
[StructLayout(LayoutKind.Sequential)]
internal struct TraceGuidRegistration
{
internal unsafe System.Guid* Guid;
internal unsafe void* RegHandle;
}
//
// Function Signatures
//
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "GetTraceEnableFlags", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern int GetTraceEnableFlags(ulong traceHandle);
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "GetTraceEnableLevel", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern byte GetTraceEnableLevel(ulong traceHandle);
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "RegisterTraceGuidsW", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern unsafe uint RegisterTraceGuids([In]EtwProc cbFunc, [In]void* context, [In] ref System.Guid controlGuid, [In] uint guidCount, ref TraceGuidRegistration guidReg, [In]string mofImagePath, [In] string mofResourceName, [Out] out ulong regHandle);
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "UnregisterTraceGuids", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern int UnregisterTraceGuids(ulong regHandle);
[DllImport("advapi32", ExactSpelling = true, EntryPoint = "TraceEvent", CharSet = System.Runtime.InteropServices.CharSet.Unicode)]
internal static extern unsafe uint TraceEvent(ulong traceHandle, char* header);
}
//
// COM Helper Methods
//
///
/// Critical: Satisfies a LinkDemand on releasecom call.
///
[SecurityCritical]
internal static int SafeReleaseComObject(object o)
{
int refCount = 0;
// Validate
if (o != null)
{
if (Marshal.IsComObject(o))
{
refCount = Marshal.ReleaseComObject(o);
}
}
return refCount;
}
#if WINDOWS_BASE
///
/// Critical as this code performs an elevation.
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport(Microsoft.Internal.DllImport.Wininet, EntryPoint = "GetUrlCacheConfigInfoW", SetLastError=true)]
internal static extern bool GetUrlCacheConfigInfo(
ref NativeMethods.InternetCacheConfigInfo pInternetCacheConfigInfo,
ref UInt32 cbCacheConfigInfo,
UInt32 /* DWORD */ fieldControl
);
#endif
///
/// Critical: takes an hwnd, calls unmanaged code
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport("WtsApi32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool WTSRegisterSessionNotification(IntPtr hwnd, uint dwFlags);
///
/// Critical: takes an hwnd, calls unmanaged code
///
[SecurityCritical, SuppressUnmanagedCodeSecurity]
[DllImport("WtsApi32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool WTSUnRegisterSessionNotification(IntPtr hwnd);
[SecurityCritical]
[DllImport(ExternDll.Kernel32, SetLastError = true)]
public static extern IntPtr GetCurrentProcess();
public const int DUPLICATE_CLOSE_SOURCE = 1;
public const int DUPLICATE_SAME_ACCESS = 2;
[SecurityCritical]
[DllImport(ExternDll.Kernel32, SetLastError = true)]
public static extern bool DuplicateHandle(
IntPtr hSourceProcess,
SafeWaitHandle hSourceHandle,
IntPtr hTargetProcessHandle,
out IntPtr hTargetHandle,
uint dwDesiredAccess,
bool fInheritHandle,
uint dwOptions
);
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- KnownTypes.cs
- ThaiBuddhistCalendar.cs
- HMACSHA256.cs
- InfoCardRequestException.cs
- ProviderIncompatibleException.cs
- recordstatescratchpad.cs
- ListSourceHelper.cs
- TracingConnection.cs
- EditingCoordinator.cs
- InitiatorSessionSymmetricTransportSecurityProtocol.cs
- FileDataSource.cs
- TreeNodeStyleCollection.cs
- IPHostEntry.cs
- InvokeHandlers.cs
- ReadOnlyKeyedCollection.cs
- PngBitmapDecoder.cs
- DbParameterHelper.cs
- EntryPointNotFoundException.cs
- ValidationHelper.cs
- PointF.cs
- StylusShape.cs
- Positioning.cs
- PostBackOptions.cs
- BrowserDefinitionCollection.cs
- PrinterUnitConvert.cs
- EndpointIdentityExtension.cs
- CellQuery.cs
- XmlSchemaSubstitutionGroup.cs
- StorageTypeMapping.cs
- DataGridViewLinkColumn.cs
- DynamicField.cs
- RuntimeArgumentHandle.cs
- ThreadInterruptedException.cs
- ValidatorCollection.cs
- ObjectQuery.cs
- WaitForChangedResult.cs
- XhtmlMobileTextWriter.cs
- Token.cs
- GenericWebPart.cs
- ReferencedCollectionType.cs
- XPathSelectionIterator.cs
- Debug.cs
- CodeTypeConstructor.cs
- RubberbandSelector.cs
- BamlResourceDeserializer.cs
- x509utils.cs
- AppDomainAttributes.cs
- SafePointer.cs
- UnknownBitmapEncoder.cs
- TextAction.cs
- ResourceSet.cs
- SiteMapNodeItem.cs
- NestedContainer.cs
- Font.cs
- ResourceDefaultValueAttribute.cs
- FixUpCollection.cs
- DecoderExceptionFallback.cs
- HttpStreamMessage.cs
- RealProxy.cs
- InlineObject.cs
- ConnectionConsumerAttribute.cs
- StringFunctions.cs
- XmlNamespaceMappingCollection.cs
- Main.cs
- SqlAliasesReferenced.cs
- TripleDES.cs
- RetrieveVirtualItemEventArgs.cs
- QuadraticBezierSegment.cs
- TdsParserHelperClasses.cs
- ISAPIRuntime.cs
- TemplateBindingExtension.cs
- SingleAnimation.cs
- AppDomainManager.cs
- NamedPipeAppDomainProtocolHandler.cs
- MasterPage.cs
- TemplateEditingFrame.cs
- ThreadStaticAttribute.cs
- DataGridViewRowConverter.cs
- SharedDp.cs
- InheritanceAttribute.cs
- Debug.cs
- MenuAutoFormat.cs
- ColorAnimationBase.cs
- ConnectionManagementSection.cs
- CfgParser.cs
- DockAndAnchorLayout.cs
- DirtyTextRange.cs
- CodeAssignStatement.cs
- Splitter.cs
- SqlConnectionFactory.cs
- CapabilitiesUse.cs
- TimeManager.cs
- HitTestParameters.cs
- TreeViewBindingsEditorForm.cs
- AttachInfo.cs
- JsonObjectDataContract.cs
- ApplicationManager.cs
- X509CertificateCollection.cs
- DataGridViewRowDividerDoubleClickEventArgs.cs
- CodeAccessSecurityEngine.cs